./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/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 fdf87a043cfa0322a32123bf9fd837be20929f79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:42:18,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:42:18,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:42:18,445 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:42:18,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:42:18,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:42:18,446 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:42:18,447 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:42:18,448 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:42:18,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:42:18,449 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:42:18,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:42:18,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:42:18,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:42:18,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:42:18,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:42:18,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:42:18,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:42:18,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:42:18,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:42:18,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:42:18,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:42:18,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:42:18,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:42:18,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:42:18,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:42:18,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:42:18,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:42:18,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:42:18,458 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:42:18,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:42:18,459 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:42:18,459 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:42:18,459 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:42:18,460 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:42:18,460 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:42:18,460 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:42:18,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:42:18,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:42:18,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:42:18,468 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:42:18,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:42:18,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:42:18,469 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:42:18,470 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:42:18,470 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:42:18,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:42:18,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:42:18,471 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:42:18,471 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:42:18,471 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:42:18,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:42:18,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:42:18,471 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_949ac5c3-99e6-443d-8d74-21573125d51b/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 -> fdf87a043cfa0322a32123bf9fd837be20929f79 [2018-12-08 12:42:18,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:42:18,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:42:18,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:42:18,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:42:18,501 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:42:18,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-12-08 12:42:18,539 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/data/ee04645db/b5245b95e23b410ba1eada734fa7b2da/FLAG8efbe0b98 [2018-12-08 12:42:18,945 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:42:18,945 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-12-08 12:42:18,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/data/ee04645db/b5245b95e23b410ba1eada734fa7b2da/FLAG8efbe0b98 [2018-12-08 12:42:18,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/data/ee04645db/b5245b95e23b410ba1eada734fa7b2da [2018-12-08 12:42:18,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:42:18,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:42:18,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:42:18,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:42:18,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:42:18,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:42:18" (1/1) ... [2018-12-08 12:42:18,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:18, skipping insertion in model container [2018-12-08 12:42:18,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:42:18" (1/1) ... [2018-12-08 12:42:18,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:42:18,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:42:19,132 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:42:19,139 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:42:19,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:42:19,235 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:42:19,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19 WrapperNode [2018-12-08 12:42:19,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:42:19,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:42:19,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:42:19,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:42:19,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:42:19,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:42:19,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:42:19,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:42:19,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:42:19,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:42:19,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:42:19,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:42:19,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:42:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:42:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:42:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:42:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:42:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:42:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:42:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:42:19,682 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:42:19,682 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-08 12:42:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:42:19 BoogieIcfgContainer [2018-12-08 12:42:19,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:42:19,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:42:19,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:42:19,692 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:42:19,692 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:42:19" (1/1) ... [2018-12-08 12:42:19,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:42:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-12-08 12:42:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-12-08 12:42:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:42:19,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-08 12:42:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-08 12:42:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 12:42:19,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-12-08 12:42:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-12-08 12:42:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:42:19,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-12-08 12:42:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-12-08 12:42:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:42:20,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2018-12-08 12:42:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2018-12-08 12:42:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:42:20,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 83 states and 130 transitions. [2018-12-08 12:42:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2018-12-08 12:42:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:42:20,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 157 transitions. [2018-12-08 12:42:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 157 transitions. [2018-12-08 12:42:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 12:42:20,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 167 transitions. [2018-12-08 12:42:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2018-12-08 12:42:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 12:42:20,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 168 transitions. [2018-12-08 12:42:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2018-12-08 12:42:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:42:20,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 105 states and 179 transitions. [2018-12-08 12:42:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2018-12-08 12:42:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:42:21,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 180 transitions. [2018-12-08 12:42:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 180 transitions. [2018-12-08 12:42:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:42:21,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2018-12-08 12:42:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2018-12-08 12:42:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:42:21,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2018-12-08 12:42:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2018-12-08 12:42:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:42:21,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 116 states and 201 transitions. [2018-12-08 12:42:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2018-12-08 12:42:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:42:21,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 202 transitions. [2018-12-08 12:42:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 202 transitions. [2018-12-08 12:42:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:42:21,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 118 states and 203 transitions. [2018-12-08 12:42:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 203 transitions. [2018-12-08 12:42:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:42:21,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 128 states and 222 transitions. [2018-12-08 12:42:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 222 transitions. [2018-12-08 12:42:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 12:42:21,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 223 transitions. [2018-12-08 12:42:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 223 transitions. [2018-12-08 12:42:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 12:42:21,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2018-12-08 12:42:21,581 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2018-12-08 12:42:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:42:21,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:42:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:21,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 229 transitions. [2018-12-08 12:42:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 229 transitions. [2018-12-08 12:42:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 12:42:21,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 254 transitions. [2018-12-08 12:42:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2018-12-08 12:42:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 12:42:22,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 143 states and 256 transitions. [2018-12-08 12:42:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2018-12-08 12:42:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 12:42:22,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 252 transitions. [2018-12-08 12:42:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 252 transitions. [2018-12-08 12:42:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 12:42:22,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:42:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 265 transitions. [2018-12-08 12:42:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 265 transitions. [2018-12-08 12:42:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:42:23,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 151 states and 273 transitions. [2018-12-08 12:42:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 273 transitions. [2018-12-08 12:42:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 12:42:23,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 152 states and 274 transitions. [2018-12-08 12:42:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 274 transitions. [2018-12-08 12:42:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 12:42:23,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 155 states and 280 transitions. [2018-12-08 12:42:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 280 transitions. [2018-12-08 12:42:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:42:23,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 166 states and 311 transitions. [2018-12-08 12:42:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 311 transitions. [2018-12-08 12:42:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:42:24,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 323 transitions. [2018-12-08 12:42:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 323 transitions. [2018-12-08 12:42:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 12:42:24,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 174 states and 324 transitions. [2018-12-08 12:42:24,261 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 324 transitions. [2018-12-08 12:42:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:42:24,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 189 states and 364 transitions. [2018-12-08 12:42:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 364 transitions. [2018-12-08 12:42:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:42:25,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 190 states and 365 transitions. [2018-12-08 12:42:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 365 transitions. [2018-12-08 12:42:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:42:25,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 366 transitions. [2018-12-08 12:42:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 366 transitions. [2018-12-08 12:42:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 12:42:25,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 192 states and 367 transitions. [2018-12-08 12:42:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 367 transitions. [2018-12-08 12:42:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 12:42:25,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 194 states and 372 transitions. [2018-12-08 12:42:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 372 transitions. [2018-12-08 12:42:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 12:42:25,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 375 transitions. [2018-12-08 12:42:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 375 transitions. [2018-12-08 12:42:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 12:42:25,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 197 states and 377 transitions. [2018-12-08 12:42:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 377 transitions. [2018-12-08 12:42:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:42:25,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 213 states and 421 transitions. [2018-12-08 12:42:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 421 transitions. [2018-12-08 12:42:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 12:42:27,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 12:42:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 214 states and 421 transitions. [2018-12-08 12:42:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 421 transitions. [2018-12-08 12:42:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:42:27,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 216 states and 424 transitions. [2018-12-08 12:42:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 424 transitions. [2018-12-08 12:42:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:42:27,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 12:42:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 226 states and 441 transitions. [2018-12-08 12:42:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 441 transitions. [2018-12-08 12:42:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 12:42:28,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 227 states and 443 transitions. [2018-12-08 12:42:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 443 transitions. [2018-12-08 12:42:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:42:28,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 229 states and 444 transitions. [2018-12-08 12:42:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 444 transitions. [2018-12-08 12:42:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:42:28,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 231 states and 446 transitions. [2018-12-08 12:42:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 446 transitions. [2018-12-08 12:42:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:42:28,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 232 states and 447 transitions. [2018-12-08 12:42:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 447 transitions. [2018-12-08 12:42:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 12:42:28,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 232 states and 439 transitions. [2018-12-08 12:42:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 439 transitions. [2018-12-08 12:42:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 12:42:28,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 232 states and 438 transitions. [2018-12-08 12:42:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 438 transitions. [2018-12-08 12:42:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:42:28,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 12:42:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 233 states and 439 transitions. [2018-12-08 12:42:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 439 transitions. [2018-12-08 12:42:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 12:42:28,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:42:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 242 states and 454 transitions. [2018-12-08 12:42:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 454 transitions. [2018-12-08 12:42:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:42:30,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 12:42:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 243 states and 455 transitions. [2018-12-08 12:42:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 455 transitions. [2018-12-08 12:42:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 12:42:30,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:42:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 246 states and 463 transitions. [2018-12-08 12:42:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 463 transitions. [2018-12-08 12:42:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 12:42:30,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:42:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 251 states and 470 transitions. [2018-12-08 12:42:30,237 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 470 transitions. [2018-12-08 12:42:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 12:42:30,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:42:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 255 states and 477 transitions. [2018-12-08 12:42:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 477 transitions. [2018-12-08 12:42:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 12:42:30,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:42:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 256 states and 478 transitions. [2018-12-08 12:42:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 478 transitions. [2018-12-08 12:42:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 12:42:30,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:42:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 257 states and 480 transitions. [2018-12-08 12:42:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 480 transitions. [2018-12-08 12:42:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:42:30,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:42:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 259 states and 480 transitions. [2018-12-08 12:42:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 480 transitions. [2018-12-08 12:42:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:42:31,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:42:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 260 states and 481 transitions. [2018-12-08 12:42:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 481 transitions. [2018-12-08 12:42:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 12:42:31,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:42:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 258 states and 477 transitions. [2018-12-08 12:42:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 477 transitions. [2018-12-08 12:42:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 12:42:32,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:42:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 259 states and 480 transitions. [2018-12-08 12:42:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 480 transitions. [2018-12-08 12:42:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 12:42:32,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:42:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 260 states and 483 transitions. [2018-12-08 12:42:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 483 transitions. [2018-12-08 12:42:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 12:42:32,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:42:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 261 states and 485 transitions. [2018-12-08 12:42:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 485 transitions. [2018-12-08 12:42:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 12:42:32,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:42:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 264 states and 488 transitions. [2018-12-08 12:42:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 488 transitions. [2018-12-08 12:42:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:42:32,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:42:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 266 states and 490 transitions. [2018-12-08 12:42:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 490 transitions. [2018-12-08 12:42:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 12:42:32,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:42:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 267 states and 491 transitions. [2018-12-08 12:42:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 491 transitions. [2018-12-08 12:42:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 12:42:32,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:42:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 270 states and 496 transitions. [2018-12-08 12:42:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 496 transitions. [2018-12-08 12:42:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 12:42:32,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:42:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 281 states and 530 transitions. [2018-12-08 12:42:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 530 transitions. [2018-12-08 12:42:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 12:42:34,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:42:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 283 states and 534 transitions. [2018-12-08 12:42:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 534 transitions. [2018-12-08 12:42:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 12:42:34,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:42:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 284 states and 535 transitions. [2018-12-08 12:42:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 535 transitions. [2018-12-08 12:42:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 12:42:34,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:42:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 286 states and 538 transitions. [2018-12-08 12:42:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 538 transitions. [2018-12-08 12:42:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 12:42:35,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:42:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 288 states and 540 transitions. [2018-12-08 12:42:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 540 transitions. [2018-12-08 12:42:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 12:42:35,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:42:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 289 states and 542 transitions. [2018-12-08 12:42:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 542 transitions. [2018-12-08 12:42:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 12:42:35,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:42:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 290 states and 543 transitions. [2018-12-08 12:42:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 543 transitions. [2018-12-08 12:42:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 12:42:35,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:42:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 281 states and 526 transitions. [2018-12-08 12:42:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 526 transitions. [2018-12-08 12:42:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 12:42:35,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 12:42:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 282 states and 527 transitions. [2018-12-08 12:42:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 527 transitions. [2018-12-08 12:42:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 12:42:35,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:42:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 283 states and 529 transitions. [2018-12-08 12:42:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 529 transitions. [2018-12-08 12:42:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 12:42:35,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:42:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 285 states and 531 transitions. [2018-12-08 12:42:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 531 transitions. [2018-12-08 12:42:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 12:42:35,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 12:42:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 222 states and 375 transitions. [2018-12-08 12:42:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 375 transitions. [2018-12-08 12:42:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 12:42:35,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 12:42:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 223 states and 375 transitions. [2018-12-08 12:42:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 375 transitions. [2018-12-08 12:42:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 12:42:35,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:42:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 133 states and 202 transitions. [2018-12-08 12:42:36,057 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2018-12-08 12:42:36,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:42:36,058 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2018-12-08 12:42:36,063 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:42:36,314 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,316 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,317 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-08 12:42:36,319 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,320 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-08 12:42:36,321 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,321 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,321 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:36,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:42:36 ImpRootNode [2018-12-08 12:42:36,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:42:36,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:42:36,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:42:36,322 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:42:36,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:42:19" (3/4) ... [2018-12-08 12:42:36,324 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:42:36,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:42:36,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:42:36,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-08 12:42:36,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-08 12:42:36,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 12:42:36,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:42:36,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:42:36,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:42:36,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-08 12:42:36,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) [2018-12-08 12:42:36,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == \old(pumpRunning)) || !(0 == pumpRunning)) || tmp == 0) || systemActive == 0) || tmp == methaneLevelCritical [2018-12-08 12:42:36,366 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_949ac5c3-99e6-443d-8d74-21573125d51b/bin-2019/ukojak/witness.graphml [2018-12-08 12:42:36,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:42:36,366 INFO L168 Benchmark]: Toolchain (without parser) took 17405.88 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 484.4 MB). Free memory was 957.1 MB in the beginning and 797.4 MB in the end (delta: 159.6 MB). Peak memory consumption was 644.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:36,367 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:42:36,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:36,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:42:36,367 INFO L168 Benchmark]: Boogie Preprocessor took 17.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:36,367 INFO L168 Benchmark]: RCFGBuilder took 398.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:36,368 INFO L168 Benchmark]: CodeCheck took 16638.09 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 394.3 MB). Free memory was 1.0 GB in the beginning and 797.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 604.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:36,368 INFO L168 Benchmark]: Witness Printer took 44.44 ms. Allocated memory is still 1.5 GB. Free memory is still 797.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:42:36,369 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, 72 locations, 1 error locations. SAFE Result, 16.3s OverallTime, 79 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2136866496 SDtfs, -768149396 SDslu, -691929912 SDs, 0 SdLazy, 1266647540 SolverSat, 1298668224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39705 GetRequests, 38863 SyntacticMatches, 468 SemanticMatches, 374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71962 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3732 NumberOfCodeBlocks, 3732 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 3654 ConstructedInterpolants, 0 QuantifiedInterpolants, 383424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 51 PerfectInterpolantSequences, 1651/1794 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: 44]: 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: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((!(pumpRunning == \old(pumpRunning)) || !(0 == pumpRunning)) || tmp == 0) || systemActive == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 398.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * CodeCheck took 16638.09 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 394.3 MB). Free memory was 1.0 GB in the beginning and 797.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 604.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.44 ms. Allocated memory is still 1.5 GB. Free memory is still 797.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...