./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.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_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 01:05:08,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 01:05:08,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 01:05:08,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 01:05:08,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 01:05:08,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 01:05:08,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 01:05:08,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 01:05:08,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 01:05:08,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 01:05:08,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 01:05:08,354 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 01:05:08,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 01:05:08,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 01:05:08,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 01:05:08,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 01:05:08,359 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 01:05:08,361 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 01:05:08,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 01:05:08,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 01:05:08,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 01:05:08,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 01:05:08,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 01:05:08,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 01:05:08,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 01:05:08,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 01:05:08,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 01:05:08,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 01:05:08,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 01:05:08,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 01:05:08,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 01:05:08,378 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 01:05:08,379 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 01:05:08,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 01:05:08,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 01:05:08,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 01:05:08,381 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 01:05:08,400 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 01:05:08,404 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 01:05:08,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 01:05:08,405 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 01:05:08,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 01:05:08,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 01:05:08,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 01:05:08,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 01:05:08,407 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 01:05:08,407 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 01:05:08,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 01:05:08,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 01:05:08,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 01:05:08,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 01:05:08,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 01:05:08,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 01:05:08,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 01:05:08,408 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 01:05:08,409 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 01:05:08,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 01:05:08,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 01:05:08,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 01:05:08,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 01:05:08,413 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 01:05:08,413 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 01:05:08,414 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 01:05:08,414 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 01:05:08,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 01:05:08,415 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_8a3d8019-4139-40e0-89e6-f48c345a3d5e/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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2018-10-27 01:05:08,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 01:05:08,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 01:05:08,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 01:05:08,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 01:05:08,484 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 01:05:08,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-10-27 01:05:08,544 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/data/2a4b374e3/d74ce68774764955b9bf95d52678d7e3/FLAG34a1a9da4 [2018-10-27 01:05:08,978 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 01:05:08,979 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/sv-benchmarks/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-10-27 01:05:08,992 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/data/2a4b374e3/d74ce68774764955b9bf95d52678d7e3/FLAG34a1a9da4 [2018-10-27 01:05:09,008 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/data/2a4b374e3/d74ce68774764955b9bf95d52678d7e3 [2018-10-27 01:05:09,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 01:05:09,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 01:05:09,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 01:05:09,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 01:05:09,023 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 01:05:09,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424b865e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09, skipping insertion in model container [2018-10-27 01:05:09,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 01:05:09,084 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 01:05:09,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:05:09,412 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 01:05:09,492 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:05:09,521 INFO L193 MainTranslator]: Completed translation [2018-10-27 01:05:09,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09 WrapperNode [2018-10-27 01:05:09,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 01:05:09,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 01:05:09,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 01:05:09,523 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 01:05:09,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 01:05:09,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 01:05:09,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 01:05:09,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 01:05:09,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... [2018-10-27 01:05:09,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 01:05:09,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 01:05:09,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 01:05:09,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 01:05:09,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:05:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/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 [2018-10-27 01:05:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 01:05:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 01:05:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 01:05:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 01:05:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 01:05:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 01:05:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 01:05:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 01:05:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 01:05:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 01:05:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 01:05:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 01:05:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 01:05:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 01:05:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 01:05:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 01:05:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 01:05:12,539 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 01:05:12,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:05:12 BoogieIcfgContainer [2018-10-27 01:05:12,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 01:05:12,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 01:05:12,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 01:05:12,556 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 01:05:12,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:05:12" (1/1) ... [2018-10-27 01:05:12,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:05:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-10-27 01:05:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-10-27 01:05:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 01:05:12,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-10-27 01:05:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-10-27 01:05:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 01:05:12,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2018-10-27 01:05:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2018-10-27 01:05:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 01:05:13,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-10-27 01:05:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-10-27 01:05:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 01:05:13,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2018-10-27 01:05:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2018-10-27 01:05:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 01:05:14,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2018-10-27 01:05:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2018-10-27 01:05:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 01:05:14,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 94 states and 142 transitions. [2018-10-27 01:05:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-10-27 01:05:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 01:05:15,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 95 states and 143 transitions. [2018-10-27 01:05:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2018-10-27 01:05:15,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 01:05:15,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:16,495 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 01:05:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 115 states and 182 transitions. [2018-10-27 01:05:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 182 transitions. [2018-10-27 01:05:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 01:05:17,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2018-10-27 01:05:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-10-27 01:05:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 01:05:17,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 126 states and 205 transitions. [2018-10-27 01:05:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2018-10-27 01:05:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 01:05:18,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:05:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 130 states and 211 transitions. [2018-10-27 01:05:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-10-27 01:05:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 01:05:18,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 218 transitions. [2018-10-27 01:05:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 218 transitions. [2018-10-27 01:05:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 01:05:19,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 136 states and 223 transitions. [2018-10-27 01:05:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 223 transitions. [2018-10-27 01:05:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 01:05:19,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 140 states and 233 transitions. [2018-10-27 01:05:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2018-10-27 01:05:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 01:05:19,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 254 transitions. [2018-10-27 01:05:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 254 transitions. [2018-10-27 01:05:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 01:05:20,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 149 states and 255 transitions. [2018-10-27 01:05:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 255 transitions. [2018-10-27 01:05:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 01:05:20,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 261 transitions. [2018-10-27 01:05:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 261 transitions. [2018-10-27 01:05:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 01:05:21,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 01:05:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 155 states and 267 transitions. [2018-10-27 01:05:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 267 transitions. [2018-10-27 01:05:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 01:05:23,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 270 transitions. [2018-10-27 01:05:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2018-10-27 01:05:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 01:05:23,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 160 states and 280 transitions. [2018-10-27 01:05:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2018-10-27 01:05:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 01:05:24,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 01:05:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 161 states and 280 transitions. [2018-10-27 01:05:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 280 transitions. [2018-10-27 01:05:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 01:05:24,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 162 states and 281 transitions. [2018-10-27 01:05:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2018-10-27 01:05:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 01:05:24,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 165 states and 287 transitions. [2018-10-27 01:05:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 287 transitions. [2018-10-27 01:05:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 01:05:25,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:05:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 174 states and 300 transitions. [2018-10-27 01:05:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 300 transitions. [2018-10-27 01:05:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 01:05:26,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:05:26,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 177 states and 302 transitions. [2018-10-27 01:05:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 302 transitions. [2018-10-27 01:05:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 01:05:26,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 197 states and 343 transitions. [2018-10-27 01:05:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 343 transitions. [2018-10-27 01:05:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 01:05:27,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:05:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 198 states and 344 transitions. [2018-10-27 01:05:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 344 transitions. [2018-10-27 01:05:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 01:05:27,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 216 states and 378 transitions. [2018-10-27 01:05:29,926 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 378 transitions. [2018-10-27 01:05:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 01:05:29,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 219 states and 380 transitions. [2018-10-27 01:05:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 380 transitions. [2018-10-27 01:05:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 01:05:30,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 232 states and 415 transitions. [2018-10-27 01:05:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 415 transitions. [2018-10-27 01:05:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 01:05:33,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 235 states and 418 transitions. [2018-10-27 01:05:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 418 transitions. [2018-10-27 01:05:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 01:05:33,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 246 states and 436 transitions. [2018-10-27 01:05:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 436 transitions. [2018-10-27 01:05:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 01:05:35,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 252 states and 448 transitions. [2018-10-27 01:05:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 448 transitions. [2018-10-27 01:05:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 01:05:37,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 253 states and 449 transitions. [2018-10-27 01:05:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 449 transitions. [2018-10-27 01:05:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 01:05:37,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 265 states and 469 transitions. [2018-10-27 01:05:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 469 transitions. [2018-10-27 01:05:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 01:05:39,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 266 states and 470 transitions. [2018-10-27 01:05:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 470 transitions. [2018-10-27 01:05:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 01:05:40,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 01:05:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 267 states and 471 transitions. [2018-10-27 01:05:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 471 transitions. [2018-10-27 01:05:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 01:05:40,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 01:05:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 274 states and 487 transitions. [2018-10-27 01:05:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 487 transitions. [2018-10-27 01:05:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 01:05:41,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 01:05:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 277 states and 491 transitions. [2018-10-27 01:05:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 491 transitions. [2018-10-27 01:05:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 01:05:42,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 281 states and 495 transitions. [2018-10-27 01:05:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 495 transitions. [2018-10-27 01:05:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 01:05:43,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 01:05:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 283 states and 492 transitions. [2018-10-27 01:05:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 492 transitions. [2018-10-27 01:05:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 01:05:44,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 01:05:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 286 states and 495 transitions. [2018-10-27 01:05:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 495 transitions. [2018-10-27 01:05:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-27 01:05:45,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 01:05:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 292 states and 503 transitions. [2018-10-27 01:05:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 503 transitions. [2018-10-27 01:05:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 01:05:45,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 01:05:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 304 states and 527 transitions. [2018-10-27 01:05:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 527 transitions. [2018-10-27 01:05:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 01:05:47,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 01:05:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 233 states and 374 transitions. [2018-10-27 01:05:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 374 transitions. [2018-10-27 01:05:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 01:05:49,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 01:05:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 238 states and 381 transitions. [2018-10-27 01:05:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 381 transitions. [2018-10-27 01:05:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 01:05:50,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 01:05:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 239 states and 384 transitions. [2018-10-27 01:05:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 384 transitions. [2018-10-27 01:05:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 01:05:50,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 01:05:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 240 states and 387 transitions. [2018-10-27 01:05:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 387 transitions. [2018-10-27 01:05:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 01:05:51,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 01:05:52,774 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 01:05:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 239 states and 383 transitions. [2018-10-27 01:05:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 383 transitions. [2018-10-27 01:05:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 01:05:53,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:05:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 240 states and 384 transitions. [2018-10-27 01:05:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 384 transitions. [2018-10-27 01:05:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 01:05:53,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 01:05:54,986 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 01:05:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 243 states and 387 transitions. [2018-10-27 01:05:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 387 transitions. [2018-10-27 01:05:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 01:05:55,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 01:05:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 245 states and 393 transitions. [2018-10-27 01:05:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 393 transitions. [2018-10-27 01:05:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 01:05:55,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 01:05:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 248 states and 395 transitions. [2018-10-27 01:05:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 395 transitions. [2018-10-27 01:05:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 01:05:56,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 01:05:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 249 states and 396 transitions. [2018-10-27 01:05:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 396 transitions. [2018-10-27 01:05:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 01:05:57,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 01:05:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 250 states and 397 transitions. [2018-10-27 01:05:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 397 transitions. [2018-10-27 01:05:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 01:05:57,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 01:05:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 251 states and 400 transitions. [2018-10-27 01:05:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 400 transitions. [2018-10-27 01:05:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 01:05:57,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 01:05:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 251 states and 399 transitions. [2018-10-27 01:05:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 399 transitions. [2018-10-27 01:05:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 01:05:57,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 01:05:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 242 states and 380 transitions. [2018-10-27 01:05:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 380 transitions. [2018-10-27 01:05:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 01:05:57,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 01:05:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 242 states and 379 transitions. [2018-10-27 01:05:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 379 transitions. [2018-10-27 01:05:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 01:05:58,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 01:05:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 238 states and 369 transitions. [2018-10-27 01:05:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2018-10-27 01:05:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 01:05:58,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 01:05:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 230 states and 353 transitions. [2018-10-27 01:05:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 353 transitions. [2018-10-27 01:05:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-27 01:05:58,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:05:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:05:58,412 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 01:05:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:05:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 144 states and 199 transitions. [2018-10-27 01:05:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 199 transitions. [2018-10-27 01:05:58,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 01:05:58,814 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 63 iterations. [2018-10-27 01:05:58,832 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 01:05:59,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,372 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-27 01:05:59,376 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,377 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-27 01:05:59,378 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-27 01:05:59,379 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:05:59,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 01:05:59 ImpRootNode [2018-10-27 01:05:59,379 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 01:05:59,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 01:05:59,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 01:05:59,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 01:05:59,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:05:12" (3/4) ... [2018-10-27 01:05:59,390 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 01:05:59,395 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 01:05:59,396 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 01:05:59,403 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-10-27 01:05:59,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-27 01:05:59,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 01:05:59,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-27 01:05:59,490 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8a3d8019-4139-40e0-89e6-f48c345a3d5e/bin-2019/ukojak/witness.graphml [2018-10-27 01:05:59,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 01:05:59,491 INFO L168 Benchmark]: Toolchain (without parser) took 50474.43 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 429.9 MB). Free memory was 951.8 MB in the beginning and 882.4 MB in the end (delta: 69.3 MB). Peak memory consumption was 499.2 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,492 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-27 01:05:59,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.46 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,493 INFO L168 Benchmark]: Boogie Preprocessor took 38.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,493 INFO L168 Benchmark]: RCFGBuilder took 2843.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,493 INFO L168 Benchmark]: CodeCheck took 46836.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 1.1 GB in the beginning and 882.4 MB in the end (delta: 169.6 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. [2018-10-27 01:05:59,497 INFO L168 Benchmark]: Witness Printer took 110.60 ms. Allocated memory is still 1.5 GB. Free memory is still 882.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:05:59,499 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 8 procedures, 118 locations, 1 error locations. SAFE Result, 46.2s OverallTime, 63 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -523697984 SDtfs, -792227524 SDslu, 810422620 SDs, 0 SdLazy, -1147449980 SolverSat, -1364558776 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 145.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30464 GetRequests, 29670 SyntacticMatches, 416 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71566 ImplicationChecksByTransitivity, 38.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 3006 NumberOfCodeBlocks, 3006 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 2944 ConstructedInterpolants, 0 QuantifiedInterpolants, 308709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 49 PerfectInterpolantSequences, 1226/1295 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: 687]: 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: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 503.46 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2843.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. * CodeCheck took 46836.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 1.1 GB in the beginning and 882.4 MB in the end (delta: 169.6 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. * Witness Printer took 110.60 ms. Allocated memory is still 1.5 GB. Free memory is still 882.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...