./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_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/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_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/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 [2018-12-08 13:58:32,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:58:32,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:58:32,425 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:58:32,425 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:58:32,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:58:32,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:58:32,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:58:32,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:58:32,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:58:32,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:58:32,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:58:32,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:58:32,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:58:32,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:58:32,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:58:32,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:58:32,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:58:32,433 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:58:32,434 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:58:32,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:58:32,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:58:32,436 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:58:32,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:58:32,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:58:32,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:58:32,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:58:32,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:58:32,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:58:32,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:58:32,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:58:32,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:58:32,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:58:32,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:58:32,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:58:32,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:58:32,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:58:32,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:58:32,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:58:32,449 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:58:32,449 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:58:32,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:58:32,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:58:32,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:58:32,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:58:32,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:58:32,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:58:32,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:58:32,451 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:58:32,451 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:58:32,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:58:32,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:58:32,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:58:32,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:58:32,452 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_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/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 [2018-12-08 13:58:32,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:58:32,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:58:32,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:58:32,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:58:32,484 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:58:32,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-08 13:58:32,524 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/data/b79ffb048/482fff38a4b54eaf988974998835e44d/FLAGc287fc8d7 [2018-12-08 13:58:32,912 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:58:32,912 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-08 13:58:32,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/data/b79ffb048/482fff38a4b54eaf988974998835e44d/FLAGc287fc8d7 [2018-12-08 13:58:32,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/data/b79ffb048/482fff38a4b54eaf988974998835e44d [2018-12-08 13:58:32,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:58:32,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:58:32,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:58:32,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:58:32,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:58:32,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:58:32" (1/1) ... [2018-12-08 13:58:32,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:32, skipping insertion in model container [2018-12-08 13:58:32,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:58:32" (1/1) ... [2018-12-08 13:58:32,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:58:32,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:58:33,041 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:58:33,044 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:58:33,060 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:58:33,069 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:58:33,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33 WrapperNode [2018-12-08 13:58:33,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:58:33,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:58:33,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:58:33,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:58:33,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:58:33,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:58:33,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:58:33,121 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:58:33,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:58:33,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:58:33,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:58:33,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:58:33,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:58:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/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 [2018-12-08 13:58:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:58:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:58:33,426 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:58:33,426 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 13:58:33,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:58:33 BoogieIcfgContainer [2018-12-08 13:58:33,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:58:33,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:58:33,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:58:33,433 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:58:33,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:58:33" (1/1) ... [2018-12-08 13:58:33,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:58:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2018-12-08 13:58:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2018-12-08 13:58:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:58:33,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2018-12-08 13:58:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2018-12-08 13:58:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:58:33,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-08 13:58:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-08 13:58:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:58:33,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2018-12-08 13:58:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-12-08 13:58:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:58:33,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-08 13:58:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-08 13:58:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:58:33,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-08 13:58:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-08 13:58:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:58:34,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-08 13:58:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-08 13:58:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:58:34,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-08 13:58:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-08 13:58:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:58:34,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:34,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-08 13:58:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-08 13:58:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:58:34,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-08 13:58:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-08 13:58:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:58:34,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-12-08 13:58:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-12-08 13:58:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 13:58:35,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-12-08 13:58:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-12-08 13:58:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:58:35,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-08 13:58:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-08 13:58:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:58:35,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-08 13:58:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-08 13:58:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:58:35,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-12-08 13:58:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-12-08 13:58:35,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:58:35,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-12-08 13:58:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-12-08 13:58:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 13:58:36,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-08 13:58:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-08 13:58:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:36,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-12-08 13:58:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-12-08 13:58:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:36,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-12-08 13:58:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-08 13:58:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:36,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-12-08 13:58:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-12-08 13:58:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:36,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-12-08 13:58:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-12-08 13:58:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:37,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-12-08 13:58:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-12-08 13:58:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:58:38,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-08 13:58:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-08 13:58:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:38,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-08 13:58:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-08 13:58:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:38,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-08 13:58:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-08 13:58:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:38,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-08 13:58:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-08 13:58:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:38,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-08 13:58:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-08 13:58:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:38,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-12-08 13:58:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-12-08 13:58:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:40,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:40,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-12-08 13:58:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-12-08 13:58:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:58:40,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-12-08 13:58:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-12-08 13:58:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:41,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-12-08 13:58:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-12-08 13:58:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:41,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-08 13:58:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-08 13:58:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:41,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-12-08 13:58:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-12-08 13:58:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:41,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2018-12-08 13:58:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2018-12-08 13:58:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:42,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2018-12-08 13:58:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2018-12-08 13:58:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:42,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-12-08 13:58:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-12-08 13:58:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:45,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-12-08 13:58:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-12-08 13:58:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 13:58:45,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-12-08 13:58:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-12-08 13:58:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:46,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-12-08 13:58:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-12-08 13:58:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:46,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-12-08 13:58:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-12-08 13:58:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:46,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-12-08 13:58:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-12-08 13:58:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:47,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-12-08 13:58:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-12-08 13:58:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:47,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-12-08 13:58:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-12-08 13:58:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:47,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2018-12-08 13:58:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2018-12-08 13:58:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:51,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2018-12-08 13:58:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2018-12-08 13:58:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:52,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2018-12-08 13:58:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2018-12-08 13:58:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 13:58:52,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-12-08 13:58:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-12-08 13:58:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:52,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-08 13:58:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-08 13:58:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:53,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-12-08 13:58:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-12-08 13:58:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:53,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-12-08 13:58:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-12-08 13:58:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:53,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-12-08 13:58:54,286 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-12-08 13:58:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:54,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-12-08 13:58:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-12-08 13:58:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:54,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:58:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:58:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2018-12-08 13:58:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2018-12-08 13:58:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:58:54,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:58:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:58:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2018-12-08 13:59:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2018-12-08 13:59:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:59:00,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2018-12-08 13:59:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2018-12-08 13:59:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:59:00,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2018-12-08 13:59:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2018-12-08 13:59:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:59:00,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-08 13:59:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-08 13:59:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:01,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-12-08 13:59:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-12-08 13:59:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:01,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-12-08 13:59:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-12-08 13:59:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:02,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2018-12-08 13:59:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2018-12-08 13:59:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:02,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-12-08 13:59:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-12-08 13:59:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:03,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2018-12-08 13:59:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2018-12-08 13:59:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:03,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2018-12-08 13:59:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2018-12-08 13:59:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:03,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2018-12-08 13:59:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2018-12-08 13:59:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:04,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2018-12-08 13:59:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2018-12-08 13:59:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:12,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2018-12-08 13:59:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2018-12-08 13:59:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:12,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2018-12-08 13:59:13,075 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2018-12-08 13:59:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:59:13,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-12-08 13:59:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-12-08 13:59:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:13,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-12-08 13:59:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-12-08 13:59:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:14,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-12-08 13:59:14,638 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-12-08 13:59:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:14,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-12-08 13:59:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-12-08 13:59:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:15,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-12-08 13:59:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-12-08 13:59:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:15,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2018-12-08 13:59:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2018-12-08 13:59:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:15,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-12-08 13:59:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-12-08 13:59:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:16,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2018-12-08 13:59:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2018-12-08 13:59:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:16,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2018-12-08 13:59:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2018-12-08 13:59:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:26,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2018-12-08 13:59:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2018-12-08 13:59:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:27,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2018-12-08 13:59:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2018-12-08 13:59:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:27,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2018-12-08 13:59:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2018-12-08 13:59:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 13:59:27,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2018-12-08 13:59:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2018-12-08 13:59:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:28,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-12-08 13:59:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-12-08 13:59:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:29,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-12-08 13:59:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-12-08 13:59:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:30,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-12-08 13:59:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-12-08 13:59:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:30,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2018-12-08 13:59:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2018-12-08 13:59:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:31,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2018-12-08 13:59:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2018-12-08 13:59:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:31,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-12-08 13:59:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-12-08 13:59:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:32,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2018-12-08 13:59:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2018-12-08 13:59:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:32,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-12-08 13:59:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-12-08 13:59:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:34,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2018-12-08 13:59:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2018-12-08 13:59:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:35,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2018-12-08 13:59:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2018-12-08 13:59:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:35,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2018-12-08 13:59:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2018-12-08 13:59:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:59:36,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:59:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:59:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:59:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:59:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-12-08 13:59:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-12-08 13:59:37,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:59:37,097 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-12-08 13:59:37,102 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:59:37,464 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:59:37,465 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:59:37,466 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:59:37,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:59:37 ImpRootNode [2018-12-08 13:59:37,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:59:37,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:59:37,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:59:37,466 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:59:37,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:58:33" (3/4) ... [2018-12-08 13:59:37,469 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:59:37,477 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-08 13:59:37,477 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 13:59:37,477 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:59:37,521 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd7bfb4c-a14c-4178-8ce0-04cda53ff378/bin-2019/ukojak/witness.graphml [2018-12-08 13:59:37,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:59:37,522 INFO L168 Benchmark]: Toolchain (without parser) took 64595.36 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 508.0 MB). Free memory was 954.4 MB in the beginning and 1.4 GB in the end (delta: -451.9 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,523 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 13:59:37,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.41 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. [2018-12-08 13:59:37,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.6 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,524 INFO L168 Benchmark]: Boogie Preprocessor took 14.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,524 INFO L168 Benchmark]: RCFGBuilder took 291.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,524 INFO L168 Benchmark]: CodeCheck took 64039.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 356.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -303.9 MB). Peak memory consumption was 686.9 MB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,525 INFO L168 Benchmark]: Witness Printer took 55.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.2 kB). Peak memory consumption was 16.2 kB. Max. memory is 11.5 GB. [2018-12-08 13:59:37,526 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, 63.6s 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, 39.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14067 GetRequests, 13391 SyntacticMatches, 0 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223210 ImplicationChecksByTransitivity, 61.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s 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 0.14 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 141.41 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 51.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.6 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 291.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * CodeCheck took 64039.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 356.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -303.9 MB). Peak memory consumption was 686.9 MB. Max. memory is 11.5 GB. * Witness Printer took 55.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.2 kB). Peak memory consumption was 16.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...