./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/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_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/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 0.1.23-1dbac8b [2018-10-26 19:40:06,420 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:40:06,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:40:06,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:40:06,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:40:06,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:40:06,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:40:06,435 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:40:06,436 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:40:06,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:40:06,437 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:40:06,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:40:06,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:40:06,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:40:06,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:40:06,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:40:06,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:40:06,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:40:06,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:40:06,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:40:06,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:40:06,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:40:06,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:40:06,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:40:06,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:40:06,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:40:06,462 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:40:06,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:40:06,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:40:06,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:40:06,463 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:40:06,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:40:06,464 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:40:06,464 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:40:06,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:40:06,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:40:06,465 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:40:06,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:40:06,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:40:06,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:40:06,486 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:40:06,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:40:06,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:40:06,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:40:06,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:40:06,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:40:06,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:40:06,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:40:06,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:40:06,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:40:06,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:40:06,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:40:06,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:40:06,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:40:06,490 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:40:06,490 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:40:06,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:40:06,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:40:06,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:40:06,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:40:06,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:40:06,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:40:06,491 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:40:06,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:40:06,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:40:06,491 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_5953bdc0-d969-447a-89e9-534906a661fb/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 [2018-10-26 19:40:06,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:40:06,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:40:06,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:40:06,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:40:06,553 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:40:06,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 19:40:06,600 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/data/2c0566382/83e450fc7d6449ae9aed3296594877fd/FLAG126d1d52b [2018-10-26 19:40:06,968 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:40:06,969 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/sv-benchmarks/c/locks/test_locks_13_true-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 19:40:06,975 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/data/2c0566382/83e450fc7d6449ae9aed3296594877fd/FLAG126d1d52b [2018-10-26 19:40:06,987 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/data/2c0566382/83e450fc7d6449ae9aed3296594877fd [2018-10-26 19:40:06,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:40:06,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:40:06,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:06,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:40:06,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:40:06,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:06" (1/1) ... [2018-10-26 19:40:07,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0c1537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:06, skipping insertion in model container [2018-10-26 19:40:07,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:06" (1/1) ... [2018-10-26 19:40:07,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:40:07,027 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:40:07,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:07,160 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:40:07,185 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:07,197 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:40:07,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07 WrapperNode [2018-10-26 19:40:07,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:07,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:07,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:40:07,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:40:07,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:07,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:40:07,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:40:07,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:40:07,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... [2018-10-26 19:40:07,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:40:07,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:40:07,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:40:07,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:40:07,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:40:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:40:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:40:08,355 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:40:08,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:08 BoogieIcfgContainer [2018-10-26 19:40:08,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:40:08,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:40:08,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:40:08,364 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:40:08,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:08" (1/1) ... [2018-10-26 19:40:08,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:40:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2018-10-26 19:40:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2018-10-26 19:40:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 19:40:08,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-10-26 19:40:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-10-26 19:40:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:40:08,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:09,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-10-26 19:40:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-10-26 19:40:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:40:09,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-10-26 19:40:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-10-26 19:40:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:40:09,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-10-26 19:40:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-10-26 19:40:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:09,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-10-26 19:40:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-10-26 19:40:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:10,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-10-26 19:40:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-10-26 19:40:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:10,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-10-26 19:40:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-10-26 19:40:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:40:10,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-10-26 19:40:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-10-26 19:40:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:40:10,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:10,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-10-26 19:40:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-10-26 19:40:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:40:10,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-10-26 19:40:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-10-26 19:40:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:40:11,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-10-26 19:40:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-10-26 19:40:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:40:11,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-10-26 19:40:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-10-26 19:40:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:40:12,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-10-26 19:40:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-10-26 19:40:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:40:12,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-10-26 19:40:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-10-26 19:40:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:40:12,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-10-26 19:40:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-10-26 19:40:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:40:13,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-10-26 19:40:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-10-26 19:40:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:13,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-10-26 19:40:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-10-26 19:40:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:14,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2018-10-26 19:40:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2018-10-26 19:40:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:14,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-10-26 19:40:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-10-26 19:40:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:14,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-10-26 19:40:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-10-26 19:40:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:16,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-10-26 19:40:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-10-26 19:40:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:40:16,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:17,657 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-26 19:40:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-26 19:40:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-26 19:40:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:17,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-10-26 19:40:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-10-26 19:40:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:18,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-10-26 19:40:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-10-26 19:40:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:18,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2018-10-26 19:40:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2018-10-26 19:40:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:18,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-10-26 19:40:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-10-26 19:40:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:20,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-10-26 19:40:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-10-26 19:40:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:21,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-10-26 19:40:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-10-26 19:40:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:40:21,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-10-26 19:40:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-10-26 19:40:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:21,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-10-26 19:40:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-10-26 19:40:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:22,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2018-10-26 19:40:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2018-10-26 19:40:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:22,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-10-26 19:40:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-10-26 19:40:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:23,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-10-26 19:40:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-10-26 19:40:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:23,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-10-26 19:40:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-10-26 19:40:25,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:25,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:26,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-10-26 19:40:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-10-26 19:40:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:26,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2018-10-26 19:40:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2018-10-26 19:40:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:40:26,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-10-26 19:40:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-10-26 19:40:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:26,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:26,961 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-26 19:40:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-10-26 19:40:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-10-26 19:40:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:27,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-10-26 19:40:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-10-26 19:40:27,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:27,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-10-26 19:40:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-10-26 19:40:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:27,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2018-10-26 19:40:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2018-10-26 19:40:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:28,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2018-10-26 19:40:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2018-10-26 19:40:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:31,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-10-26 19:40:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-10-26 19:40:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:31,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-10-26 19:40:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-10-26 19:40:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:32,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 98 transitions. [2018-10-26 19:40:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2018-10-26 19:40:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:40:32,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-10-26 19:40:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-10-26 19:40:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:33,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-10-26 19:40:33,458 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-10-26 19:40:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:33,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-10-26 19:40:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-10-26 19:40:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:33,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2018-10-26 19:40:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2018-10-26 19:40:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:34,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-10-26 19:40:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-10-26 19:40:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:34,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2018-10-26 19:40:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-10-26 19:40:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:39,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-10-26 19:40:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-10-26 19:40:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:39,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2018-10-26 19:40:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2018-10-26 19:40:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:40,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-10-26 19:40:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-10-26 19:40:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:40,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 62 states and 103 transitions. [2018-10-26 19:40:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 103 transitions. [2018-10-26 19:40:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:40:41,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-10-26 19:40:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-10-26 19:40:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:41,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-10-26 19:40:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-10-26 19:40:41,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:41,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-10-26 19:40:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-10-26 19:40:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:42,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-10-26 19:40:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-10-26 19:40:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:42,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-10-26 19:40:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-10-26 19:40:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:43,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2018-10-26 19:40:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2018-10-26 19:40:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:43,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2018-10-26 19:40:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2018-10-26 19:40:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:49,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2018-10-26 19:40:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2018-10-26 19:40:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:50,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2018-10-26 19:40:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2018-10-26 19:40:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:50,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2018-10-26 19:40:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2018-10-26 19:40:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:51,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 108 transitions. [2018-10-26 19:40:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2018-10-26 19:40:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:40:51,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2018-10-26 19:40:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2018-10-26 19:40:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:52,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-10-26 19:40:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-10-26 19:40:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:52,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-10-26 19:40:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-10-26 19:40:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:53,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-10-26 19:40:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-10-26 19:40:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:53,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-10-26 19:40:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-10-26 19:40:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:54,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2018-10-26 19:40:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2018-10-26 19:40:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:54,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:40:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2018-10-26 19:40:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2018-10-26 19:40:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:40:55,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:40:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2018-10-26 19:41:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2018-10-26 19:41:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:41:02,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2018-10-26 19:41:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2018-10-26 19:41:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:41:02,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2018-10-26 19:41:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2018-10-26 19:41:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:41:03,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-10-26 19:41:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-10-26 19:41:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:41:03,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:03,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2018-10-26 19:41:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2018-10-26 19:41:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:41:04,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-10-26 19:41:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-10-26 19:41:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:04,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-10-26 19:41:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-10-26 19:41:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:05,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-10-26 19:41:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-10-26 19:41:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:06,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-10-26 19:41:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-10-26 19:41:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:06,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2018-10-26 19:41:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2018-10-26 19:41:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:07,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-10-26 19:41:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-10-26 19:41:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:08,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2018-10-26 19:41:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2018-10-26 19:41:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:08,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-10-26 19:41:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-10-26 19:41:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:09,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2018-10-26 19:41:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2018-10-26 19:41:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:09,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2018-10-26 19:41:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2018-10-26 19:41:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:10,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2018-10-26 19:41:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2018-10-26 19:41:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:10,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2018-10-26 19:41:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2018-10-26 19:41:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:41:11,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:41:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:41:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:41:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-10-26 19:41:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-10-26 19:41:12,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:41:12,174 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-10-26 19:41:12,182 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:41:12,626 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:41:12,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:41:12,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:41:12,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:41:12 ImpRootNode [2018-10-26 19:41:12,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:41:12,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:41:12,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:41:12,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:41:12,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:08" (3/4) ... [2018-10-26 19:41:12,632 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:41:12,640 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 19:41:12,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 19:41:12,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:41:12,694 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5953bdc0-d969-447a-89e9-534906a661fb/bin-2019/ukojak/witness.graphml [2018-10-26 19:41:12,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:41:12,695 INFO L168 Benchmark]: Toolchain (without parser) took 65704.48 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 897.6 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -283.1 MB). Peak memory consumption was 614.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,696 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:41:12,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.10 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 944.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.62 ms. Allocated memory is still 1.0 GB. Free memory was 944.9 MB in the beginning and 942.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,697 INFO L168 Benchmark]: Boogie Preprocessor took 34.52 ms. Allocated memory is still 1.0 GB. Free memory was 942.2 MB in the beginning and 939.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,697 INFO L168 Benchmark]: RCFGBuilder took 1088.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 939.5 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,698 INFO L168 Benchmark]: CodeCheck took 64272.78 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 728.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.8 MB). Peak memory consumption was 609.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:41:12,698 INFO L168 Benchmark]: Witness Printer took 65.86 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:41:12,703 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, 50 locations, 1 error locations. SAFE Result, 63.7s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 2120212476 SDslu, 0 SDs, 0 SdLazy, 2107097080 SolverSat, -32514052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14556 GetRequests, 13880 SyntacticMatches, 0 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223690 ImplicationChecksByTransitivity, 60.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1443 NumberOfCodeBlocks, 1443 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 1352 ConstructedInterpolants, 0 QuantifiedInterpolants, 109564 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.10 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 944.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.62 ms. Allocated memory is still 1.0 GB. Free memory was 944.9 MB in the beginning and 942.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.52 ms. Allocated memory is still 1.0 GB. Free memory was 942.2 MB in the beginning and 939.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1088.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 939.5 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 64272.78 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 728.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.8 MB). Peak memory consumption was 609.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.86 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...