./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/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 56f043bec3037ec37b4a132611abd4a337934428 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:20:15,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:20:15,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:20:15,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:20:15,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:20:15,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:20:15,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:20:15,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:20:15,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:20:15,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:20:15,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:20:15,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:20:15,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:20:15,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:20:15,485 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:20:15,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:20:15,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:20:15,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:20:15,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:20:15,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:20:15,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:20:15,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:20:15,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:20:15,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:20:15,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:20:15,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:20:15,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:20:15,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:20:15,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:20:15,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:20:15,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:20:15,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:20:15,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:20:15,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:20:15,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:20:15,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:20:15,497 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:20:15,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:20:15,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:20:15,508 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:20:15,508 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:20:15,508 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:20:15,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:20:15,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:20:15,510 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:20:15,510 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:20:15,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:20:15,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:20:15,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:20:15,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:20:15,512 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_197fcb13-044b-4e48-b268-183bb128c4e1/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2018-11-22 23:20:15,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:20:15,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:20:15,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:20:15,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:20:15,549 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:20:15,549 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-22 23:20:15,593 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/data/65327d3a0/cda5c7f7708945fbaaf957772a956012/FLAGe49fd0a7e [2018-11-22 23:20:16,015 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:20:16,016 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-22 23:20:16,020 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/data/65327d3a0/cda5c7f7708945fbaaf957772a956012/FLAGe49fd0a7e [2018-11-22 23:20:16,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/data/65327d3a0/cda5c7f7708945fbaaf957772a956012 [2018-11-22 23:20:16,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:20:16,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:20:16,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:20:16,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:20:16,036 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:20:16,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16, skipping insertion in model container [2018-11-22 23:20:16,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:20:16,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:20:16,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:20:16,198 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:20:16,216 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:20:16,224 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:20:16,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16 WrapperNode [2018-11-22 23:20:16,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:20:16,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:20:16,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:20:16,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:20:16,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:20:16,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:20:16,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:20:16,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:20:16,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:20:16,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:20:16,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:20:16,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:20:16,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/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 [2018-11-22 23:20:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:20:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:20:16,701 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:20:16,701 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 23:20:16,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:16 BoogieIcfgContainer [2018-11-22 23:20:16,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:20:16,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:20:16,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:20:16,711 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:20:16,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:16" (1/1) ... [2018-11-22 23:20:16,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:20:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2018-11-22 23:20:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2018-11-22 23:20:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 23:20:16,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2018-11-22 23:20:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2018-11-22 23:20:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 23:20:16,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-22 23:20:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-22 23:20:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 23:20:17,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-11-22 23:20:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-11-22 23:20:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 23:20:17,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-11-22 23:20:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-11-22 23:20:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 23:20:17,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-22 23:20:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-22 23:20:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 23:20:17,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-22 23:20:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-22 23:20:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 23:20:17,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-22 23:20:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-22 23:20:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:20:17,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-22 23:20:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-22 23:20:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:20:18,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-11-22 23:20:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-22 23:20:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:20:18,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-22 23:20:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-22 23:20:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:20:18,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-11-22 23:20:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-11-22 23:20:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:20:18,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-22 23:20:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-22 23:20:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:20:18,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-22 23:20:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-22 23:20:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:20:19,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-11-22 23:20:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-11-22 23:20:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:20:19,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-11-22 23:20:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-11-22 23:20:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 23:20:19,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-11-22 23:20:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-11-22 23:20:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:20,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-22 23:20:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-22 23:20:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:20,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-22 23:20:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-22 23:20:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:20,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-22 23:20:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-22 23:20:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:20,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-22 23:20:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-22 23:20:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:21,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-22 23:20:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-22 23:20:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:20:22,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-11-22 23:20:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-11-22 23:20:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:22,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-22 23:20:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-22 23:20:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:22,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:22,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-11-22 23:20:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-11-22 23:20:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:22,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2018-11-22 23:20:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2018-11-22 23:20:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:22,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-11-22 23:20:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-11-22 23:20:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:24,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-11-22 23:20:24,600 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-11-22 23:20:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:24,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-11-22 23:20:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-11-22 23:20:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:20:24,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-11-22 23:20:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-22 23:20:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:25,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-22 23:20:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-22 23:20:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:25,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-11-22 23:20:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-11-22 23:20:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:25,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-11-22 23:20:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-11-22 23:20:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:25,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-11-22 23:20:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-11-22 23:20:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:25,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-22 23:20:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-22 23:20:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:27,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-11-22 23:20:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-11-22 23:20:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:28,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2018-11-22 23:20:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2018-11-22 23:20:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:20:28,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-11-22 23:20:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-11-22 23:20:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:28,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-11-22 23:20:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-11-22 23:20:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:28,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:29,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-11-22 23:20:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-11-22 23:20:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:29,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-11-22 23:20:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-11-22 23:20:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:29,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-11-22 23:20:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-11-22 23:20:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:29,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-22 23:20:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-22 23:20:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:29,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-11-22 23:20:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-11-22 23:20:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:32,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-11-22 23:20:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-11-22 23:20:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:33,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2018-11-22 23:20:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2018-11-22 23:20:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:20:33,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-11-22 23:20:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-11-22 23:20:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:33,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-11-22 23:20:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-11-22 23:20:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:34,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-11-22 23:20:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-22 23:20:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:34,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-22 23:20:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-22 23:20:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:34,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-11-22 23:20:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-11-22 23:20:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:35,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-11-22 23:20:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-11-22 23:20:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:35,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-11-22 23:20:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-11-22 23:20:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:38,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-11-22 23:20:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-11-22 23:20:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:39,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-11-22 23:20:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-11-22 23:20:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:39,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-11-22 23:20:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-11-22 23:20:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:20:40,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-22 23:20:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-22 23:20:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:40,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-11-22 23:20:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-11-22 23:20:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:40,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-22 23:20:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-22 23:20:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:41,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-11-22 23:20:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-11-22 23:20:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:41,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-11-22 23:20:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-11-22 23:20:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:41,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2018-11-22 23:20:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2018-11-22 23:20:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:42,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-11-22 23:20:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-11-22 23:20:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:42,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2018-11-22 23:20:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2018-11-22 23:20:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:42,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2018-11-22 23:20:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-11-22 23:20:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:43,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2018-11-22 23:20:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2018-11-22 23:20:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:20:43,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:20:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:20:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:20:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:20:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-22 23:20:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-22 23:20:44,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:20:44,059 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-11-22 23:20:44,065 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:20:44,341 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:20:44,343 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:20:44,343 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:20:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:20:44 ImpRootNode [2018-11-22 23:20:44,343 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:20:44,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:20:44,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:20:44,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:20:44,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:16" (3/4) ... [2018-11-22 23:20:44,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:20:44,353 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-22 23:20:44,353 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:20:44,354 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:20:44,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_197fcb13-044b-4e48-b268-183bb128c4e1/bin-2019/ukojak/witness.graphml [2018-11-22 23:20:44,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:20:44,396 INFO L168 Benchmark]: Toolchain (without parser) took 28363.91 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 591.4 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -90.3 MB). Peak memory consumption was 501.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:20:44,397 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:20:44,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.52 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:20:44,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:20:44,398 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:20:44,398 INFO L168 Benchmark]: RCFGBuilder took 402.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:20:44,398 INFO L168 Benchmark]: CodeCheck took 27641.21 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 497.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:20:44,398 INFO L168 Benchmark]: Witness Printer took 51.36 ms. Allocated memory is still 1.6 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:20:44,400 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, 42 locations, 1 error locations. SAFE Result, 27.3s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -773195780 SDslu, 0 SDs, 0 SdLazy, -840241160 SolverSat, -1008601092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9060 GetRequests, 8576 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111902 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 57695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 PerfectInterpolantSequences, 0/0 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: 175]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.52 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 402.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * CodeCheck took 27641.21 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 497.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.36 ms. Allocated memory is still 1.6 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...