./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_14_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_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/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 c5a3d22d49117f02662b197492bc1b16616a2878 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:32:41,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:32:41,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:32:41,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:32:41,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:32:41,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:32:41,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:32:41,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:32:41,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:32:41,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:32:41,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:32:41,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:32:41,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:32:41,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:32:41,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:32:41,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:32:41,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:32:41,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:32:41,439 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:32:41,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:32:41,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:32:41,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:32:41,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:32:41,452 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:32:41,452 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:32:41,453 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:32:41,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:32:41,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:32:41,455 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:32:41,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:32:41,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:32:41,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:32:41,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:32:41,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:32:41,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:32:41,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:32:41,462 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:32:41,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:32:41,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:32:41,474 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:32:41,474 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:32:41,475 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:32:41,475 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:32:41,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:32:41,476 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:32:41,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:32:41,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:32:41,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:32:41,478 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:32:41,478 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:32:41,478 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:32:41,478 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:32:41,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:32:41,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:32:41,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:32:41,479 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:32:41,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:32:41,479 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:32:41,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:32:41,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:32:41,482 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_baded58a-946e-4e75-8da6-f394df75bac4/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 -> c5a3d22d49117f02662b197492bc1b16616a2878 [2018-10-26 23:32:41,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:32:41,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:32:41,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:32:41,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:32:41,530 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:32:41,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 23:32:41,590 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/data/0c0eb4c50/c7eb0741e0674e4b8e4db9b524bb7030/FLAG2ce260bff [2018-10-26 23:32:41,959 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:32:41,959 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 23:32:41,968 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/data/0c0eb4c50/c7eb0741e0674e4b8e4db9b524bb7030/FLAG2ce260bff [2018-10-26 23:32:41,981 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/data/0c0eb4c50/c7eb0741e0674e4b8e4db9b524bb7030 [2018-10-26 23:32:41,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:32:41,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:32:41,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:32:41,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:32:41,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:32:41,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:32:41" (1/1) ... [2018-10-26 23:32:41,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4489bfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:41, skipping insertion in model container [2018-10-26 23:32:41,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:32:41" (1/1) ... [2018-10-26 23:32:42,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:32:42,031 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:32:42,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:32:42,188 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:32:42,219 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:32:42,233 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:32:42,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42 WrapperNode [2018-10-26 23:32:42,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:32:42,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:32:42,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:32:42,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:32:42,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:32:42,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:32:42,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:32:42,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:32:42,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... [2018-10-26 23:32:42,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:32:42,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:32:42,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:32:42,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:32:42,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/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 23:32:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:32:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:32:43,618 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:32:43,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:32:43 BoogieIcfgContainer [2018-10-26 23:32:43,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:32:43,620 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:32:43,620 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:32:43,633 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:32:43,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:32:43" (1/1) ... [2018-10-26 23:32:43,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:32:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2018-10-26 23:32:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2018-10-26 23:32:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 23:32:43,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2018-10-26 23:32:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2018-10-26 23:32:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 23:32:44,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:44,305 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 23:32:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-10-26 23:32:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-10-26 23:32:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:32:44,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:44,814 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 23:32:45,121 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:32:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-10-26 23:32:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-10-26 23:32:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:32:45,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:45,379 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 23:32:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-10-26 23:32:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-10-26 23:32:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:32:45,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:45,746 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 23:32:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-10-26 23:32:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-10-26 23:32:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:32:45,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-10-26 23:32:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-10-26 23:32:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:32:46,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:46,268 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 23:32:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-10-26 23:32:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-10-26 23:32:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:32:46,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-10-26 23:32:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-10-26 23:32:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:32:46,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:46,914 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 23:32:47,364 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 23:32:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-10-26 23:32:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-10-26 23:32:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:32:47,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-10-26 23:32:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-10-26 23:32:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:32:48,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-26 23:32:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-26 23:32:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:32:48,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:48,472 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 23:32:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-10-26 23:32:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-10-26 23:32:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:32:48,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:48,734 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 23:32:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-10-26 23:32:48,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-10-26 23:32:48,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:32:48,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-10-26 23:32:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-10-26 23:32:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:32:50,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:50,567 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 23:32:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:50,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-10-26 23:32:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-10-26 23:32:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:32:50,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:50,726 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 23:32:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-10-26 23:32:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-10-26 23:32:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:50,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:50,891 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 23:32:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-10-26 23:32:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-10-26 23:32:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:51,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:51,360 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 23:32:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-10-26 23:32:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-10-26 23:32:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:51,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-10-26 23:32:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-10-26 23:32:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:52,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:52,471 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 23:32:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-10-26 23:32:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-10-26 23:32:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:53,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-10-26 23:32:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-10-26 23:32:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:32:54,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:54,316 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 23:32:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-10-26 23:32:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-10-26 23:32:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:54,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:54,534 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 23:32:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-10-26 23:32:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-10-26 23:32:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:54,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:54,799 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 23:32:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-10-26 23:32:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-10-26 23:32:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:55,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:55,295 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 23:32:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-10-26 23:32:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-10-26 23:32:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:55,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:55,687 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 23:32:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2018-10-26 23:32:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2018-10-26 23:32:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:57,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-10-26 23:32:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-10-26 23:32:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:57,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-10-26 23:32:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-10-26 23:32:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:32:58,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-10-26 23:32:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-10-26 23:32:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:32:59,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-10-26 23:32:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-10-26 23:32:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:32:59,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:59,483 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 23:32:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:32:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-10-26 23:32:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-10-26 23:32:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:32:59,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:32:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:59,878 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 23:33:00,960 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 23:33:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-10-26 23:33:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-10-26 23:33:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:33:01,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-10-26 23:33:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-10-26 23:33:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:33:04,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:04,175 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 23:33:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-10-26 23:33:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-10-26 23:33:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:33:04,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:04,487 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 23:33:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-10-26 23:33:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-10-26 23:33:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:33:04,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:04,907 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 23:33:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-10-26 23:33:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-10-26 23:33:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:33:05,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-10-26 23:33:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-10-26 23:33:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:05,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:05,506 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 23:33:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-10-26 23:33:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-10-26 23:33:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:05,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-10-26 23:33:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-10-26 23:33:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:06,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:06,335 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 23:33:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-10-26 23:33:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-10-26 23:33:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:06,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:06,868 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 23:33:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-10-26 23:33:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-10-26 23:33:07,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:07,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2018-10-26 23:33:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2018-10-26 23:33:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:11,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:11,325 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 23:33:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2018-10-26 23:33:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2018-10-26 23:33:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:11,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:11,636 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 23:33:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2018-10-26 23:33:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2018-10-26 23:33:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:11,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:11,994 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 23:33:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2018-10-26 23:33:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2018-10-26 23:33:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:33:12,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2018-10-26 23:33:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2018-10-26 23:33:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:12,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:12,718 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 23:33:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-10-26 23:33:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-10-26 23:33:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:13,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:13,869 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 23:33:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-10-26 23:33:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-10-26 23:33:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:14,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:14,433 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 23:33:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2018-10-26 23:33:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2018-10-26 23:33:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:14,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:14,946 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 23:33:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-10-26 23:33:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-10-26 23:33:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:15,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:15,281 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 23:33:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2018-10-26 23:33:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2018-10-26 23:33:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:15,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:15,953 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 23:33:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 104 transitions. [2018-10-26 23:33:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2018-10-26 23:33:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:20,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:20,496 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 23:33:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2018-10-26 23:33:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2018-10-26 23:33:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:20,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:20,994 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 23:33:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2018-10-26 23:33:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2018-10-26 23:33:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:21,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:21,382 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 23:33:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 62 states and 104 transitions. [2018-10-26 23:33:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2018-10-26 23:33:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:33:21,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-10-26 23:33:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-10-26 23:33:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:22,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:22,385 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 23:33:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-10-26 23:33:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-10-26 23:33:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:22,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-10-26 23:33:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-10-26 23:33:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:23,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:23,496 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 23:33:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-10-26 23:33:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-10-26 23:33:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:24,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-10-26 23:33:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-10-26 23:33:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:24,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:24,560 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 23:33:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2018-10-26 23:33:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2018-10-26 23:33:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:24,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:25,235 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 23:33:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-10-26 23:33:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-10-26 23:33:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:31,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:31,638 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 23:33:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2018-10-26 23:33:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2018-10-26 23:33:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:32,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:32,160 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 23:33:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 109 transitions. [2018-10-26 23:33:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2018-10-26 23:33:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:32,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:32,627 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 23:33:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 64 states and 109 transitions. [2018-10-26 23:33:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 109 transitions. [2018-10-26 23:33:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:33,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:33,235 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 23:33:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2018-10-26 23:33:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2018-10-26 23:33:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:33:33,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:33,761 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 23:33:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-10-26 23:33:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-10-26 23:33:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:34,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:34,433 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 23:33:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-10-26 23:33:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-10-26 23:33:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:35,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:35,095 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 23:33:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-10-26 23:33:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-10-26 23:33:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:35,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:35,772 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 23:33:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-26 23:33:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-26 23:33:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:36,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:36,315 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 23:33:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2018-10-26 23:33:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2018-10-26 23:33:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:36,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:36,825 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 23:33:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2018-10-26 23:33:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2018-10-26 23:33:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:37,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:37,389 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 23:33:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-10-26 23:33:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-10-26 23:33:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:37,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2018-10-26 23:33:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2018-10-26 23:33:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:45,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2018-10-26 23:33:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2018-10-26 23:33:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:46,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:46,499 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 23:33:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2018-10-26 23:33:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2018-10-26 23:33:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:47,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:47,065 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 23:33:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2018-10-26 23:33:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2018-10-26 23:33:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:47,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:47,709 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 23:33:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2018-10-26 23:33:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2018-10-26 23:33:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:33:48,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:48,342 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 23:33:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2018-10-26 23:33:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2018-10-26 23:33:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:48,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:48,998 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 23:33:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-10-26 23:33:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-10-26 23:33:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:49,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:49,776 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 23:33:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2018-10-26 23:33:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2018-10-26 23:33:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:50,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:50,511 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 23:33:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2018-10-26 23:33:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2018-10-26 23:33:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:51,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:51,220 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 23:33:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2018-10-26 23:33:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2018-10-26 23:33:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:51,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2018-10-26 23:33:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2018-10-26 23:33:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:52,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-10-26 23:33:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-10-26 23:33:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:53,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:33:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:33:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2018-10-26 23:33:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2018-10-26 23:33:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:33:53,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:33:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:33:54,089 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 23:34:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 119 transitions. [2018-10-26 23:34:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2018-10-26 23:34:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:34:03,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:03,880 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 23:34:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 119 transitions. [2018-10-26 23:34:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2018-10-26 23:34:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:34:04,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:04,598 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 23:34:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-10-26 23:34:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-10-26 23:34:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:34:05,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:05,303 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 23:34:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 70 states and 119 transitions. [2018-10-26 23:34:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 119 transitions. [2018-10-26 23:34:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:34:06,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:06,152 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 23:34:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2018-10-26 23:34:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2018-10-26 23:34:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:34:06,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:06,965 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 23:34:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2018-10-26 23:34:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2018-10-26 23:34:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:07,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:34:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-10-26 23:34:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-10-26 23:34:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:08,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:08,700 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 23:34:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-10-26 23:34:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-10-26 23:34:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:09,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:09,538 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 23:34:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-10-26 23:34:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-10-26 23:34:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:10,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:10,342 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 23:34:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2018-10-26 23:34:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2018-10-26 23:34:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:11,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:11,164 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 23:34:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2018-10-26 23:34:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2018-10-26 23:34:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:11,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:34:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2018-10-26 23:34:12,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2018-10-26 23:34:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:12,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:12,686 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 23:34:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2018-10-26 23:34:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2018-10-26 23:34:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:13,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:13,374 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 23:34:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2018-10-26 23:34:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2018-10-26 23:34:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:14,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:14,178 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 23:34:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2018-10-26 23:34:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2018-10-26 23:34:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:14,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:14,903 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 23:34:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2018-10-26 23:34:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2018-10-26 23:34:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:15,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:15,688 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 23:34:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2018-10-26 23:34:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2018-10-26 23:34:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:16,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:16,577 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 23:34:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2018-10-26 23:34:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2018-10-26 23:34:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:34:17,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:34:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:34:17,407 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 23:34:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:34:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-10-26 23:34:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-10-26 23:34:18,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:34:18,292 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 106 iterations. [2018-10-26 23:34:18,302 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:34:18,913 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:34:18,916 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:34:18,916 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:34:18,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:34:18 ImpRootNode [2018-10-26 23:34:18,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:34:18,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:34:18,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:34:18,917 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:34:18,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:32:43" (3/4) ... [2018-10-26 23:34:18,921 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:34:18,933 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-10-26 23:34:18,933 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 23:34:18,934 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:34:19,004 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_baded58a-946e-4e75-8da6-f394df75bac4/bin-2019/ukojak/witness.graphml [2018-10-26 23:34:19,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:34:19,005 INFO L168 Benchmark]: Toolchain (without parser) took 97019.83 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -255.9 MB). Peak memory consumption was 826.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,006 INFO L168 Benchmark]: CDTParser took 0.17 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 23:34:19,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.60 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:34:19,007 INFO L168 Benchmark]: Boogie Preprocessor took 28.09 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,007 INFO L168 Benchmark]: RCFGBuilder took 1314.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,010 INFO L168 Benchmark]: CodeCheck took 95297.05 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 934.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -135.2 MB). Peak memory consumption was 799.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,010 INFO L168 Benchmark]: Witness Printer took 87.49 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:34:19,012 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, 53 locations, 1 error locations. SAFE Result, 94.6s OverallTime, 106 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -120602628 SDslu, 0 SDs, 0 SdLazy, -210796552 SolverSat, -132136964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17716 GetRequests, 16932 SyntacticMatches, 0 SemanticMatches, 784 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303587 ImplicationChecksByTransitivity, 91.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 140679 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 105 InterpolantComputations, 105 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: 217]: 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: 51]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.60 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.09 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1314.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 95297.05 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 934.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -135.2 MB). Peak memory consumption was 799.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.49 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...