./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/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 a8726e54e507f4e5407a6f1ab8a73f56b359228a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:58:59,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:58:59,710 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:58:59,718 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:58:59,718 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:58:59,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:58:59,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:58:59,721 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:58:59,722 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:58:59,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:58:59,723 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:58:59,724 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:58:59,724 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:58:59,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:58:59,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:58:59,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:58:59,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:58:59,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:58:59,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:58:59,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:58:59,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:58:59,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:58:59,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:58:59,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:58:59,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:58:59,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:58:59,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:58:59,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:58:59,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:58:59,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:58:59,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:58:59,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:58:59,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:58:59,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:58:59,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:58:59,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:58:59,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:58:59,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:58:59,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:58:59,751 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:58:59,752 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:58:59,752 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:58:59,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:58:59,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:58:59,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:58:59,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:58:59,754 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:58:59,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:58:59,754 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:58:59,754 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:58:59,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:58:59,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:58:59,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:58:59,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:58:59,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:58:59,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:58:59,755 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:58:59,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:58:59,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:58:59,755 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_200c526a-2610-48c0-9d21-d7722cf1ca14/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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2018-11-18 16:58:59,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:58:59,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:58:59,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:58:59,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:58:59,793 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:58:59,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-18 16:58:59,840 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/data/f8dbcb0ad/2cf27cc6ba8e427086955cf192a00966/FLAG9892bf884 [2018-11-18 16:59:00,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:59:00,272 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-18 16:59:00,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/data/f8dbcb0ad/2cf27cc6ba8e427086955cf192a00966/FLAG9892bf884 [2018-11-18 16:59:00,305 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/data/f8dbcb0ad/2cf27cc6ba8e427086955cf192a00966 [2018-11-18 16:59:00,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:59:00,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:59:00,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:59:00,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:59:00,312 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:59:00,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412434f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00, skipping insertion in model container [2018-11-18 16:59:00,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:59:00,373 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:59:00,659 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:59:00,662 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:59:00,767 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:59:00,782 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:59:00,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00 WrapperNode [2018-11-18 16:59:00,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:59:00,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:59:00,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:59:00,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:59:00,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:59:00,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:59:00,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:59:00,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:59:00,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... [2018-11-18 16:59:00,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:59:00,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:59:00,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:59:00,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:59:00,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:59:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:59:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:59:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:59:03,520 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:59:03,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:03 BoogieIcfgContainer [2018-11-18 16:59:03,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:59:03,523 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:59:03,523 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:59:03,532 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:59:03,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:03" (1/1) ... [2018-11-18 16:59:03,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 16:59:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 16:59:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 16:59:03,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 16:59:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 16:59:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 16:59:04,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-18 16:59:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-18 16:59:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 16:59:04,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 324 states and 429 transitions. [2018-11-18 16:59:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 429 transitions. [2018-11-18 16:59:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 16:59:05,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:05,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:05,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 334 states and 442 transitions. [2018-11-18 16:59:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 442 transitions. [2018-11-18 16:59:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:59:05,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 339 states and 447 transitions. [2018-11-18 16:59:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 447 transitions. [2018-11-18 16:59:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 16:59:05,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:59:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 353 states and 465 transitions. [2018-11-18 16:59:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2018-11-18 16:59:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 16:59:05,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 372 states and 489 transitions. [2018-11-18 16:59:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 489 transitions. [2018-11-18 16:59:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:59:05,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 373 states and 492 transitions. [2018-11-18 16:59:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 492 transitions. [2018-11-18 16:59:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:59:06,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 383 states and 503 transitions. [2018-11-18 16:59:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 503 transitions. [2018-11-18 16:59:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 16:59:06,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-18 16:59:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-18 16:59:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 16:59:06,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 393 states and 516 transitions. [2018-11-18 16:59:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2018-11-18 16:59:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 16:59:06,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 412 states and 538 transitions. [2018-11-18 16:59:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2018-11-18 16:59:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 16:59:06,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 432 states and 560 transitions. [2018-11-18 16:59:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 560 transitions. [2018-11-18 16:59:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 16:59:07,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 458 states and 591 transitions. [2018-11-18 16:59:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 591 transitions. [2018-11-18 16:59:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 16:59:07,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 463 states and 598 transitions. [2018-11-18 16:59:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 598 transitions. [2018-11-18 16:59:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 16:59:08,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 497 states and 643 transitions. [2018-11-18 16:59:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 643 transitions. [2018-11-18 16:59:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 16:59:09,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 513 states and 660 transitions. [2018-11-18 16:59:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 660 transitions. [2018-11-18 16:59:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 16:59:10,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 532 states and 682 transitions. [2018-11-18 16:59:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 682 transitions. [2018-11-18 16:59:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 16:59:10,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 533 states and 683 transitions. [2018-11-18 16:59:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 683 transitions. [2018-11-18 16:59:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 16:59:10,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 547 states and 706 transitions. [2018-11-18 16:59:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 706 transitions. [2018-11-18 16:59:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 16:59:11,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 554 states and 714 transitions. [2018-11-18 16:59:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 714 transitions. [2018-11-18 16:59:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 16:59:11,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 16:59:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 555 states and 715 transitions. [2018-11-18 16:59:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 715 transitions. [2018-11-18 16:59:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 16:59:11,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 582 states and 749 transitions. [2018-11-18 16:59:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 749 transitions. [2018-11-18 16:59:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:59:12,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 590 states and 759 transitions. [2018-11-18 16:59:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 759 transitions. [2018-11-18 16:59:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:59:12,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 633 states and 809 transitions. [2018-11-18 16:59:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 809 transitions. [2018-11-18 16:59:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:59:14,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:59:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 665 states and 848 transitions. [2018-11-18 16:59:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 848 transitions. [2018-11-18 16:59:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:59:15,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 698 states and 883 transitions. [2018-11-18 16:59:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 883 transitions. [2018-11-18 16:59:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:59:15,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 714 states and 904 transitions. [2018-11-18 16:59:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 904 transitions. [2018-11-18 16:59:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:59:15,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:59:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 719 states and 909 transitions. [2018-11-18 16:59:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 909 transitions. [2018-11-18 16:59:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:59:16,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:59:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 720 states and 910 transitions. [2018-11-18 16:59:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 910 transitions. [2018-11-18 16:59:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:59:16,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 741 states and 953 transitions. [2018-11-18 16:59:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 953 transitions. [2018-11-18 16:59:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:59:17,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 749 states and 961 transitions. [2018-11-18 16:59:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 961 transitions. [2018-11-18 16:59:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:59:17,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 752 states and 964 transitions. [2018-11-18 16:59:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 964 transitions. [2018-11-18 16:59:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:59:18,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 763 states and 975 transitions. [2018-11-18 16:59:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 975 transitions. [2018-11-18 16:59:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:59:18,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:59:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 809 states and 1036 transitions. [2018-11-18 16:59:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1036 transitions. [2018-11-18 16:59:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:59:20,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:59:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 828 states and 1059 transitions. [2018-11-18 16:59:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1059 transitions. [2018-11-18 16:59:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:59:21,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 845 states and 1086 transitions. [2018-11-18 16:59:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2018-11-18 16:59:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:59:22,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 859 states and 1101 transitions. [2018-11-18 16:59:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1101 transitions. [2018-11-18 16:59:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:59:22,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 870 states and 1112 transitions. [2018-11-18 16:59:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1112 transitions. [2018-11-18 16:59:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:59:23,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 882 states and 1124 transitions. [2018-11-18 16:59:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1124 transitions. [2018-11-18 16:59:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 16:59:24,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 889 states and 1133 transitions. [2018-11-18 16:59:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1133 transitions. [2018-11-18 16:59:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 16:59:24,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:59:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 909 states and 1153 transitions. [2018-11-18 16:59:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1153 transitions. [2018-11-18 16:59:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:59:25,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 924 states and 1171 transitions. [2018-11-18 16:59:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1171 transitions. [2018-11-18 16:59:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:59:25,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:59:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 933 states and 1183 transitions. [2018-11-18 16:59:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1183 transitions. [2018-11-18 16:59:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:59:26,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:59:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 945 states and 1197 transitions. [2018-11-18 16:59:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1197 transitions. [2018-11-18 16:59:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:59:26,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:59:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 953 states and 1205 transitions. [2018-11-18 16:59:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1205 transitions. [2018-11-18 16:59:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:59:27,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 16:59:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 961 states and 1213 transitions. [2018-11-18 16:59:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1213 transitions. [2018-11-18 16:59:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:59:27,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 16:59:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 963 states and 1215 transitions. [2018-11-18 16:59:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1215 transitions. [2018-11-18 16:59:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:59:27,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 972 states and 1224 transitions. [2018-11-18 16:59:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1224 transitions. [2018-11-18 16:59:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 16:59:27,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 990 states and 1249 transitions. [2018-11-18 16:59:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1249 transitions. [2018-11-18 16:59:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:59:28,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:59:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1005 states and 1264 transitions. [2018-11-18 16:59:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1264 transitions. [2018-11-18 16:59:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 16:59:28,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1037 states and 1298 transitions. [2018-11-18 16:59:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1298 transitions. [2018-11-18 16:59:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 16:59:29,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1039 states and 1301 transitions. [2018-11-18 16:59:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1301 transitions. [2018-11-18 16:59:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:59:29,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1071 states and 1335 transitions. [2018-11-18 16:59:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1335 transitions. [2018-11-18 16:59:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:59:29,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1104 states and 1383 transitions. [2018-11-18 16:59:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1383 transitions. [2018-11-18 16:59:30,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:59:30,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1125 states and 1404 transitions. [2018-11-18 16:59:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1404 transitions. [2018-11-18 16:59:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:59:31,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1148 states and 1429 transitions. [2018-11-18 16:59:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1429 transitions. [2018-11-18 16:59:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:59:32,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1153 states and 1439 transitions. [2018-11-18 16:59:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1439 transitions. [2018-11-18 16:59:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:59:33,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 16:59:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1162 states and 1448 transitions. [2018-11-18 16:59:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1448 transitions. [2018-11-18 16:59:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:59:33,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:59:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1166 states and 1452 transitions. [2018-11-18 16:59:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1452 transitions. [2018-11-18 16:59:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:59:33,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:59:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1173 states and 1462 transitions. [2018-11-18 16:59:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1462 transitions. [2018-11-18 16:59:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:59:34,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1178 states and 1468 transitions. [2018-11-18 16:59:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1468 transitions. [2018-11-18 16:59:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:59:34,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1192 states and 1482 transitions. [2018-11-18 16:59:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1482 transitions. [2018-11-18 16:59:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:59:34,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1231 states and 1524 transitions. [2018-11-18 16:59:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1524 transitions. [2018-11-18 16:59:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 16:59:36,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:59:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1257 states and 1552 transitions. [2018-11-18 16:59:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1552 transitions. [2018-11-18 16:59:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 16:59:36,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:36,361 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:59:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1260 states and 1559 transitions. [2018-11-18 16:59:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1559 transitions. [2018-11-18 16:59:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 16:59:36,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1264 states and 1563 transitions. [2018-11-18 16:59:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1563 transitions. [2018-11-18 16:59:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 16:59:36,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1281 states and 1580 transitions. [2018-11-18 16:59:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1580 transitions. [2018-11-18 16:59:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 16:59:36,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:59:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1344 states and 1644 transitions. [2018-11-18 16:59:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1644 transitions. [2018-11-18 16:59:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 16:59:39,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:59:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1365 states and 1677 transitions. [2018-11-18 16:59:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1677 transitions. [2018-11-18 16:59:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 16:59:40,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:59:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1385 states and 1696 transitions. [2018-11-18 16:59:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1696 transitions. [2018-11-18 16:59:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 16:59:41,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:59:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1393 states and 1703 transitions. [2018-11-18 16:59:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1703 transitions. [2018-11-18 16:59:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 16:59:41,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:59:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1401 states and 1710 transitions. [2018-11-18 16:59:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1710 transitions. [2018-11-18 16:59:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:59:41,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:59:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1470 states and 1778 transitions. [2018-11-18 16:59:45,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1778 transitions. [2018-11-18 16:59:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 16:59:45,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1472 states and 1782 transitions. [2018-11-18 16:59:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1782 transitions. [2018-11-18 16:59:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 16:59:45,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 16:59:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1474 states and 1784 transitions. [2018-11-18 16:59:45,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1784 transitions. [2018-11-18 16:59:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:59:45,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1492 states and 1804 transitions. [2018-11-18 16:59:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1804 transitions. [2018-11-18 16:59:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:59:46,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1502 states and 1815 transitions. [2018-11-18 16:59:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1815 transitions. [2018-11-18 16:59:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 16:59:46,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:59:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1525 states and 1840 transitions. [2018-11-18 16:59:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1840 transitions. [2018-11-18 16:59:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 16:59:47,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:59:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1534 states and 1849 transitions. [2018-11-18 16:59:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1849 transitions. [2018-11-18 16:59:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:59:47,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 16:59:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1561 states and 1877 transitions. [2018-11-18 16:59:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1877 transitions. [2018-11-18 16:59:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:59:48,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 16:59:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1589 states and 1905 transitions. [2018-11-18 16:59:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1905 transitions. [2018-11-18 16:59:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 16:59:48,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:59:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1594 states and 1911 transitions. [2018-11-18 16:59:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1911 transitions. [2018-11-18 16:59:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:59:48,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:59:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1606 states and 1924 transitions. [2018-11-18 16:59:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1924 transitions. [2018-11-18 16:59:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:59:49,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:59:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1614 states and 1933 transitions. [2018-11-18 16:59:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1933 transitions. [2018-11-18 16:59:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:59:50,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1622 states and 1940 transitions. [2018-11-18 16:59:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1940 transitions. [2018-11-18 16:59:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 16:59:50,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1645 states and 1966 transitions. [2018-11-18 16:59:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1966 transitions. [2018-11-18 16:59:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 16:59:51,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:59:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1656 states and 1976 transitions. [2018-11-18 16:59:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1976 transitions. [2018-11-18 16:59:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 16:59:51,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:51,655 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 16:59:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1676 states and 1995 transitions. [2018-11-18 16:59:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1995 transitions. [2018-11-18 16:59:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 16:59:51,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 16:59:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1681 states and 2002 transitions. [2018-11-18 16:59:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2002 transitions. [2018-11-18 16:59:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 16:59:52,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:59:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1730 states and 2054 transitions. [2018-11-18 16:59:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2054 transitions. [2018-11-18 16:59:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 16:59:53,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 16:59:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1744 states and 2072 transitions. [2018-11-18 16:59:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2072 transitions. [2018-11-18 16:59:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 16:59:54,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:59:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1782 states and 2111 transitions. [2018-11-18 16:59:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2111 transitions. [2018-11-18 16:59:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 16:59:55,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:59:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1791 states and 2120 transitions. [2018-11-18 16:59:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2120 transitions. [2018-11-18 16:59:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:59:55,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 16:59:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1889 states and 2222 transitions. [2018-11-18 16:59:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2222 transitions. [2018-11-18 16:59:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 16:59:56,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:00:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1989 states and 2325 transitions. [2018-11-18 17:00:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2325 transitions. [2018-11-18 17:00:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 17:00:01,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:00:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1997 states and 2332 transitions. [2018-11-18 17:00:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2332 transitions. [2018-11-18 17:00:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:00:01,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:00:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2052 states and 2395 transitions. [2018-11-18 17:00:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2395 transitions. [2018-11-18 17:00:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:00:05,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:00:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2090 states and 2436 transitions. [2018-11-18 17:00:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2436 transitions. [2018-11-18 17:00:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 17:00:07,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:00:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2151 states and 2499 transitions. [2018-11-18 17:00:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2499 transitions. [2018-11-18 17:00:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 17:00:08,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:00:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2159 states and 2506 transitions. [2018-11-18 17:00:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2506 transitions. [2018-11-18 17:00:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 17:00:09,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:00:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2169 states and 2515 transitions. [2018-11-18 17:00:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2515 transitions. [2018-11-18 17:00:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 17:00:09,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:00:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2178 states and 2524 transitions. [2018-11-18 17:00:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2524 transitions. [2018-11-18 17:00:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 17:00:10,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:00:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2187 states and 2534 transitions. [2018-11-18 17:00:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2534 transitions. [2018-11-18 17:00:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 17:00:11,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:00:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2191 states and 2538 transitions. [2018-11-18 17:00:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2538 transitions. [2018-11-18 17:00:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 17:00:11,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:00:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2198 states and 2546 transitions. [2018-11-18 17:00:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2546 transitions. [2018-11-18 17:00:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 17:00:12,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 17:00:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2199 states and 2546 transitions. [2018-11-18 17:00:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2546 transitions. [2018-11-18 17:00:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 17:00:12,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 17:00:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:12,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2200 states and 2546 transitions. [2018-11-18 17:00:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2546 transitions. [2018-11-18 17:00:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 17:00:12,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 17:00:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2205 states and 2551 transitions. [2018-11-18 17:00:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2551 transitions. [2018-11-18 17:00:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:00:13,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2214 states and 2560 transitions. [2018-11-18 17:00:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2560 transitions. [2018-11-18 17:00:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:00:13,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2235 states and 2581 transitions. [2018-11-18 17:00:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2581 transitions. [2018-11-18 17:00:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:00:14,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2244 states and 2589 transitions. [2018-11-18 17:00:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2589 transitions. [2018-11-18 17:00:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:00:15,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2251 states and 2596 transitions. [2018-11-18 17:00:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2596 transitions. [2018-11-18 17:00:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:00:15,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2252 states and 2596 transitions. [2018-11-18 17:00:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2596 transitions. [2018-11-18 17:00:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 17:00:15,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:00:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2175 states and 2508 transitions. [2018-11-18 17:00:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2508 transitions. [2018-11-18 17:00:16,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:00:16,269 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 116 iterations. [2018-11-18 17:00:16,276 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:00:16,466 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 36 [2018-11-18 17:00:18,253 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-11-18 17:00:19,173 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 17:00:20,514 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 36 [2018-11-18 17:00:21,145 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 17:00:21,288 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:21,291 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:00:21,295 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:00:21,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:00:21 ImpRootNode [2018-11-18 17:00:21,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:00:21,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:00:21,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:00:21,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:00:21,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:03" (3/4) ... [2018-11-18 17:00:21,299 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:00:21,313 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 17:00:21,314 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:00:21,314 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 17:00:21,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:00:21,397 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_200c526a-2610-48c0-9d21-d7722cf1ca14/bin-2019/ukojak/witness.graphml [2018-11-18 17:00:21,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:00:21,398 INFO L168 Benchmark]: Toolchain (without parser) took 81090.79 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 958.0 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 450.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,399 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:00:21,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 925.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,399 INFO L168 Benchmark]: Boogie Preprocessor took 65.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,400 INFO L168 Benchmark]: RCFGBuilder took 2552.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 839.4 MB in the end (delta: 237.8 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,400 INFO L168 Benchmark]: CodeCheck took 77772.52 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 839.4 MB in the beginning and 2.5 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,400 INFO L168 Benchmark]: Witness Printer took 101.84 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:21,401 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, 72.7s OverallTime, 116 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 174063620 SDtfs, -1573996070 SDslu, 1809844768 SDs, 0 SdLazy, -272348472 SolverSat, -765719862 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 340.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123453 GetRequests, 121296 SyntacticMatches, 1161 SemanticMatches, 996 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667912 ImplicationChecksByTransitivity, 60.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 18287 NumberOfCodeBlocks, 18287 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 18172 ConstructedInterpolants, 0 QuantifiedInterpolants, 9501193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 102 PerfectInterpolantSequences, 13151/13218 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: 472]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a25 == 1 || !(a28 == 8)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a25 == 1 || !(a28 == 8)) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 925.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2552.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 839.4 MB in the end (delta: 237.8 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. * CodeCheck took 77772.52 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 839.4 MB in the beginning and 2.5 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 101.84 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...