./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/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 87288fc43230a9d3829930d8a140fe9b3ddaa0e7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:44:05,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:44:05,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:44:05,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:44:05,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:44:05,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:44:05,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:44:05,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:44:05,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:44:05,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:44:05,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:44:05,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:44:05,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:44:05,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:44:05,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:44:05,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:44:05,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:44:05,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:44:05,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:44:05,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:44:05,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:44:05,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:44:05,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:44:05,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:44:05,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:44:05,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:44:05,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:44:05,696 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:44:05,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:44:05,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:44:05,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:44:05,698 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:44:05,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:44:05,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:44:05,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:44:05,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:44:05,699 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 20:44:05,706 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:44:05,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:44:05,707 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:44:05,707 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:44:05,707 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:44:05,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:44:05,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:44:05,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:44:05,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:44:05,708 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:44:05,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:44:05,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:44:05,710 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:44:05,710 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:44:05,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:44:05,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:44:05,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:44:05,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:44:05,710 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:44:05,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:44:05,711 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:44:05,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:44:05,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:44:05,711 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_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/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 -> 87288fc43230a9d3829930d8a140fe9b3ddaa0e7 [2018-12-02 20:44:05,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:44:05,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:44:05,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:44:05,748 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:44:05,748 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:44:05,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 20:44:05,787 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/data/9d4cceeda/495619fdc86547a08c0a16ff2a53fd77/FLAG08fdf8731 [2018-12-02 20:44:06,084 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:44:06,085 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 20:44:06,089 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/data/9d4cceeda/495619fdc86547a08c0a16ff2a53fd77/FLAG08fdf8731 [2018-12-02 20:44:06,098 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/data/9d4cceeda/495619fdc86547a08c0a16ff2a53fd77 [2018-12-02 20:44:06,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:44:06,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:44:06,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:44:06,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:44:06,105 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:44:06,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06, skipping insertion in model container [2018-12-02 20:44:06,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:44:06,129 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:44:06,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:44:06,231 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:44:06,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:44:06,255 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:44:06,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06 WrapperNode [2018-12-02 20:44:06,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:44:06,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:44:06,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:44:06,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:44:06,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:44:06,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:44:06,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:44:06,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:44:06,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:44:06,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:44:06,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:44:06,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:44:06,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:44:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:44:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:44:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:44:06,649 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:44:06,649 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 20:44:06,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:44:06 BoogieIcfgContainer [2018-12-02 20:44:06,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:44:06,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:44:06,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:44:06,657 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:44:06,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:44:06" (1/1) ... [2018-12-02 20:44:06,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:44:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2018-12-02 20:44:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2018-12-02 20:44:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 20:44:06,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2018-12-02 20:44:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2018-12-02 20:44:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 20:44:06,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-02 20:44:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-02 20:44:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:44:06,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2018-12-02 20:44:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-12-02 20:44:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:44:07,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-02 20:44:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-02 20:44:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:44:07,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-02 20:44:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-02 20:44:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:44:07,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-02 20:44:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-02 20:44:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:44:07,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-02 20:44:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-02 20:44:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:44:07,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-02 20:44:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-02 20:44:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:44:07,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-02 20:44:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-02 20:44:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:44:07,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-12-02 20:44:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-12-02 20:44:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:44:08,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-12-02 20:44:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-12-02 20:44:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:44:08,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-02 20:44:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-02 20:44:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:44:08,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-02 20:44:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-02 20:44:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:44:08,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-12-02 20:44:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-12-02 20:44:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:44:08,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-12-02 20:44:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-12-02 20:44:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:44:09,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-02 20:44:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-02 20:44:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:09,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-12-02 20:44:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-12-02 20:44:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:09,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-12-02 20:44:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-02 20:44:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:10,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-12-02 20:44:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-12-02 20:44:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:10,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-12-02 20:44:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-12-02 20:44:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:11,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-12-02 20:44:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-12-02 20:44:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:44:11,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-02 20:44:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-02 20:44:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:11,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-02 20:44:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-02 20:44:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:11,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-02 20:44:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-02 20:44:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:12,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-02 20:44:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-02 20:44:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:12,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-02 20:44:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-02 20:44:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:12,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-12-02 20:44:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-12-02 20:44:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:14,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-12-02 20:44:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-12-02 20:44:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:44:14,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-12-02 20:44:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-12-02 20:44:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:14,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-12-02 20:44:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-12-02 20:44:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:15,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-02 20:44:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-02 20:44:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:15,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-12-02 20:44:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-12-02 20:44:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:15,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2018-12-02 20:44:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2018-12-02 20:44:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:16,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2018-12-02 20:44:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2018-12-02 20:44:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:16,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-12-02 20:44:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-12-02 20:44:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:19,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-12-02 20:44:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-12-02 20:44:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:44:19,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-12-02 20:44:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-12-02 20:44:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:20,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-12-02 20:44:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-12-02 20:44:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:20,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-12-02 20:44:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-12-02 20:44:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:20,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-12-02 20:44:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-12-02 20:44:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:20,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-12-02 20:44:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-12-02 20:44:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:21,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-12-02 20:44:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-12-02 20:44:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:21,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2018-12-02 20:44:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2018-12-02 20:44:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:26,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:26,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2018-12-02 20:44:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2018-12-02 20:44:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:26,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2018-12-02 20:44:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2018-12-02 20:44:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:44:26,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-12-02 20:44:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-12-02 20:44:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:27,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-02 20:44:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-02 20:44:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:27,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-12-02 20:44:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-12-02 20:44:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:28,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-12-02 20:44:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-12-02 20:44:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:28,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-12-02 20:44:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-12-02 20:44:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:28,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-12-02 20:44:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-12-02 20:44:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:29,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2018-12-02 20:44:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2018-12-02 20:44:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:29,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2018-12-02 20:44:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2018-12-02 20:44:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:34,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2018-12-02 20:44:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2018-12-02 20:44:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:35,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2018-12-02 20:44:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2018-12-02 20:44:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:44:35,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-02 20:44:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-02 20:44:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:35,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-12-02 20:44:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-12-02 20:44:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:36,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-12-02 20:44:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-12-02 20:44:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:37,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:37,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2018-12-02 20:44:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2018-12-02 20:44:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:37,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-12-02 20:44:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-12-02 20:44:38,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:38,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2018-12-02 20:44:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2018-12-02 20:44:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:38,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2018-12-02 20:44:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2018-12-02 20:44:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:39,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2018-12-02 20:44:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2018-12-02 20:44:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:39,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2018-12-02 20:44:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2018-12-02 20:44:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:45,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2018-12-02 20:44:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2018-12-02 20:44:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:46,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2018-12-02 20:44:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2018-12-02 20:44:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:44:46,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-12-02 20:44:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-12-02 20:44:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:46,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-12-02 20:44:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-12-02 20:44:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:47,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-12-02 20:44:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-12-02 20:44:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:47,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-12-02 20:44:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-12-02 20:44:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:48,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-12-02 20:44:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-12-02 20:44:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:48,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2018-12-02 20:44:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2018-12-02 20:44:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:49,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-12-02 20:44:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-12-02 20:44:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:49,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:44:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:44:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2018-12-02 20:44:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2018-12-02 20:44:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:44:50,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:44:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:44:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2018-12-02 20:45:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2018-12-02 20:45:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:45:00,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2018-12-02 20:45:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2018-12-02 20:45:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:45:01,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2018-12-02 20:45:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2018-12-02 20:45:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:45:01,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2018-12-02 20:45:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2018-12-02 20:45:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 20:45:02,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2018-12-02 20:45:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2018-12-02 20:45:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:03,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-12-02 20:45:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-12-02 20:45:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:05,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-12-02 20:45:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-12-02 20:45:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:06,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-12-02 20:45:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-12-02 20:45:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:07,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2018-12-02 20:45:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2018-12-02 20:45:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:08,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2018-12-02 20:45:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2018-12-02 20:45:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:10,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-12-02 20:45:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-12-02 20:45:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:10,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2018-12-02 20:45:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2018-12-02 20:45:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:11,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-12-02 20:45:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-12-02 20:45:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:11,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2018-12-02 20:45:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2018-12-02 20:45:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:12,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2018-12-02 20:45:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2018-12-02 20:45:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:12,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2018-12-02 20:45:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2018-12-02 20:45:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:45:13,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:45:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:45:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:45:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:45:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-12-02 20:45:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-12-02 20:45:15,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:45:15,238 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-12-02 20:45:15,244 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 20:45:15,583 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:45:15,585 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:45:15,585 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:45:15,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:45:15 ImpRootNode [2018-12-02 20:45:15,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:45:15,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:45:15,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:45:15,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:45:15,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:44:06" (3/4) ... [2018-12-02 20:45:15,588 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:45:15,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-02 20:45:15,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 20:45:15,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 20:45:15,628 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08b090a8-5c7d-4a4f-bd0b-5c0337c7af0c/bin-2019/ukojak/witness.graphml [2018-12-02 20:45:15,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:45:15,629 INFO L168 Benchmark]: Toolchain (without parser) took 69528.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: Boogie Preprocessor took 16.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: RCFGBuilder took 324.35 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,630 INFO L168 Benchmark]: CodeCheck took 68935.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -27.7 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:45:15,631 INFO L168 Benchmark]: Witness Printer took 43.00 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:45:15,631 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, 48 locations, 1 error locations. SAFE Result, 68.5s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1580195836 SDslu, 0 SDs, 0 SdLazy, -590626824 SolverSat, 1040703484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14067 GetRequests, 13391 SyntacticMatches, 0 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223210 ImplicationChecksByTransitivity, 66.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1352 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 1261 ConstructedInterpolants, 0 QuantifiedInterpolants, 101387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 91 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: 203]: 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: 48]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.35 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * CodeCheck took 68935.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -27.7 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.00 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...