./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:22:33,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:22:33,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:22:33,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:22:33,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:22:33,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:22:33,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:22:33,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:22:33,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:22:33,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:22:33,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:22:33,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:22:33,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:22:33,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:22:33,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:22:33,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:22:33,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:22:33,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:22:33,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:22:33,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:22:33,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:22:33,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:22:33,330 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:22:33,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:22:33,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:22:33,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:22:33,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:22:33,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:22:33,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:22:33,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:22:33,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:22:33,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:22:33,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:22:33,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:22:33,337 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:22:33,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:22:33,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:22:33,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:22:33,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:22:33,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:22:33,350 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:22:33,350 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:22:33,351 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:22:33,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:22:33,352 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:22:33,352 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:22:33,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:22:33,353 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:22:33,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:22:33,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:22:33,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:22:33,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:22:33,353 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:22:33,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:22:33,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:22:33,356 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_46c96959-45b5-4e89-b92b-8e3e76c1c989/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-10-26 23:22:33,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:22:33,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:22:33,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:22:33,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:22:33,408 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:22:33,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-10-26 23:22:33,462 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/data/9638a51d6/84ff3a228e0844e8a71798fe585b83a2/FLAGadc4834a8 [2018-10-26 23:22:33,857 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:22:33,857 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-10-26 23:22:33,867 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/data/9638a51d6/84ff3a228e0844e8a71798fe585b83a2/FLAGadc4834a8 [2018-10-26 23:22:33,879 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/data/9638a51d6/84ff3a228e0844e8a71798fe585b83a2 [2018-10-26 23:22:33,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:22:33,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:22:33,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:22:33,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:22:33,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:22:33,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:22:33" (1/1) ... [2018-10-26 23:22:33,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9212c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:33, skipping insertion in model container [2018-10-26 23:22:33,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:22:33" (1/1) ... [2018-10-26 23:22:33,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:22:33,939 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:22:34,152 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:22:34,161 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:22:34,224 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:22:34,255 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:22:34,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34 WrapperNode [2018-10-26 23:22:34,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:22:34,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:22:34,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:22:34,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:22:34,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:22:34,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:22:34,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:22:34,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:22:34,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... [2018-10-26 23:22:34,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:22:34,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:22:34,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:22:34,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:22:34,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:22:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:22:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:22:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:22:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:22:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:22:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:22:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:22:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:22:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:22:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:22:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:22:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:22:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:22:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 23:22:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 23:22:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:22:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:22:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:22:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:22:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:22:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:22:36,696 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:22:36,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:36 BoogieIcfgContainer [2018-10-26 23:22:36,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:22:36,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:22:36,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:22:36,705 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:22:36,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:36" (1/1) ... [2018-10-26 23:22:36,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:22:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2018-10-26 23:22:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2018-10-26 23:22:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:22:36,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2018-10-26 23:22:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-10-26 23:22:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:22:36,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 75 states and 98 transitions. [2018-10-26 23:22:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2018-10-26 23:22:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:22:37,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2018-10-26 23:22:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-10-26 23:22:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:22:37,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2018-10-26 23:22:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2018-10-26 23:22:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:22:37,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2018-10-26 23:22:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2018-10-26 23:22:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:22:37,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2018-10-26 23:22:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2018-10-26 23:22:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:22:37,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 107 states and 158 transitions. [2018-10-26 23:22:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2018-10-26 23:22:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:22:38,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 127 states and 195 transitions. [2018-10-26 23:22:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2018-10-26 23:22:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:22:40,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 131 states and 201 transitions. [2018-10-26 23:22:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2018-10-26 23:22:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:22:41,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 213 transitions. [2018-10-26 23:22:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 213 transitions. [2018-10-26 23:22:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:22:41,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 144 states and 230 transitions. [2018-10-26 23:22:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 230 transitions. [2018-10-26 23:22:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 23:22:41,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 235 transitions. [2018-10-26 23:22:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2018-10-26 23:22:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 23:22:42,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 229 transitions. [2018-10-26 23:22:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 229 transitions. [2018-10-26 23:22:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:22:42,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 145 states and 232 transitions. [2018-10-26 23:22:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2018-10-26 23:22:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:22:42,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 234 transitions. [2018-10-26 23:22:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-10-26 23:22:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 23:22:42,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 242 transitions. [2018-10-26 23:22:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2018-10-26 23:22:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 23:22:43,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 267 transitions. [2018-10-26 23:22:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2018-10-26 23:22:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:22:44,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:22:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 272 transitions. [2018-10-26 23:22:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2018-10-26 23:22:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:22:45,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 166 states and 275 transitions. [2018-10-26 23:22:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 275 transitions. [2018-10-26 23:22:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:22:46,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 173 states and 291 transitions. [2018-10-26 23:22:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2018-10-26 23:22:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:22:47,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 181 states and 304 transitions. [2018-10-26 23:22:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 304 transitions. [2018-10-26 23:22:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:22:47,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 184 states and 306 transitions. [2018-10-26 23:22:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 306 transitions. [2018-10-26 23:22:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:22:48,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:22:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 306 transitions. [2018-10-26 23:22:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 306 transitions. [2018-10-26 23:22:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:22:49,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 186 states and 307 transitions. [2018-10-26 23:22:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-10-26 23:22:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 23:22:49,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:22:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 187 states and 308 transitions. [2018-10-26 23:22:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2018-10-26 23:22:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:22:49,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 188 states and 308 transitions. [2018-10-26 23:22:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 308 transitions. [2018-10-26 23:22:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:22:49,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 205 states and 347 transitions. [2018-10-26 23:22:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 347 transitions. [2018-10-26 23:22:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:22:51,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 206 states and 348 transitions. [2018-10-26 23:22:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2018-10-26 23:22:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:22:51,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 209 states and 350 transitions. [2018-10-26 23:22:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 350 transitions. [2018-10-26 23:22:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:22:52,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 219 states and 371 transitions. [2018-10-26 23:22:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 371 transitions. [2018-10-26 23:22:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:22:53,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 222 states and 375 transitions. [2018-10-26 23:22:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 375 transitions. [2018-10-26 23:22:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:22:54,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:22:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 223 states and 375 transitions. [2018-10-26 23:22:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 375 transitions. [2018-10-26 23:22:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:22:54,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 224 states and 376 transitions. [2018-10-26 23:22:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 376 transitions. [2018-10-26 23:22:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:22:54,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 225 states and 377 transitions. [2018-10-26 23:22:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 377 transitions. [2018-10-26 23:22:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:22:54,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:22:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 228 states and 381 transitions. [2018-10-26 23:22:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 381 transitions. [2018-10-26 23:22:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:22:54,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 224 states and 373 transitions. [2018-10-26 23:22:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2018-10-26 23:22:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:22:54,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:22:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 227 states and 375 transitions. [2018-10-26 23:22:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2018-10-26 23:22:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:22:55,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:22:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 228 states and 376 transitions. [2018-10-26 23:22:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2018-10-26 23:22:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 23:22:55,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 235 states and 390 transitions. [2018-10-26 23:22:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 390 transitions. [2018-10-26 23:22:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 23:22:56,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 238 states and 393 transitions. [2018-10-26 23:22:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2018-10-26 23:22:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 23:22:57,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:22:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 238 states and 388 transitions. [2018-10-26 23:22:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 388 transitions. [2018-10-26 23:22:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 23:22:58,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:22:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 242 states and 395 transitions. [2018-10-26 23:22:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 395 transitions. [2018-10-26 23:22:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 23:22:58,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:22:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 243 states and 395 transitions. [2018-10-26 23:22:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 395 transitions. [2018-10-26 23:22:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:22:58,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:22:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 198 states and 306 transitions. [2018-10-26 23:22:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 306 transitions. [2018-10-26 23:22:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:22:59,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:23:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 199 states and 309 transitions. [2018-10-26 23:23:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2018-10-26 23:23:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:23:00,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:23:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 197 states and 305 transitions. [2018-10-26 23:23:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 305 transitions. [2018-10-26 23:23:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:23:00,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:23:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 199 states and 308 transitions. [2018-10-26 23:23:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 308 transitions. [2018-10-26 23:23:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:23:00,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:23:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 201 states and 310 transitions. [2018-10-26 23:23:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 310 transitions. [2018-10-26 23:23:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:23:00,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:23:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 202 states and 310 transitions. [2018-10-26 23:23:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 310 transitions. [2018-10-26 23:23:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:23:01,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:23:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 193 states and 293 transitions. [2018-10-26 23:23:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 293 transitions. [2018-10-26 23:23:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:23:01,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 23:23:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 189 states and 283 transitions. [2018-10-26 23:23:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2018-10-26 23:23:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 23:23:01,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 23:23:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 126 states and 167 transitions. [2018-10-26 23:23:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2018-10-26 23:23:02,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:23:02,173 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2018-10-26 23:23:02,184 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:23:02,631 WARN L179 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 23:23:03,034 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 1 [2018-10-26 23:23:03,462 WARN L179 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 8 [2018-10-26 23:23:03,481 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,484 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-26 23:23:03,487 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 23:23:03,488 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,489 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 23:23:03,491 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:23:03,492 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 23:23:03,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:23:03 ImpRootNode [2018-10-26 23:23:03,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:23:03,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:23:03,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:23:03,493 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:23:03,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:36" (3/4) ... [2018-10-26 23:23:03,497 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:23:03,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:23:03,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:23:03,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:23:03,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 23:23:03,515 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-10-26 23:23:03,515 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 23:23:03,516 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 23:23:03,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-26 23:23:03,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-10-26 23:23:03,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning [2018-10-26 23:23:03,584 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_46c96959-45b5-4e89-b92b-8e3e76c1c989/bin-2019/ukojak/witness.graphml [2018-10-26 23:23:03,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:23:03,585 INFO L168 Benchmark]: Toolchain (without parser) took 29701.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 352.3 MB). Free memory was 953.1 MB in the beginning and 1.3 GB in the end (delta: -361.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:23:03,585 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:23:03,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,587 INFO L168 Benchmark]: Boogie Preprocessor took 31.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,588 INFO L168 Benchmark]: RCFGBuilder took 2284.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,588 INFO L168 Benchmark]: CodeCheck took 26795.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -270.9 MB). Peak memory consumption was 393.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,588 INFO L168 Benchmark]: Witness Printer took 91.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:03,590 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 10 procedures, 134 locations, 1 error locations. SAFE Result, 25.4s OverallTime, 53 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1624126192 SDtfs, -2080395812 SDslu, -1650164244 SDs, 0 SdLazy, -730651988 SolverSat, 1482303520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22653 GetRequests, 22048 SyntacticMatches, 309 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43330 ImplicationChecksByTransitivity, 20.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2280 ConstructedInterpolants, 0 QuantifiedInterpolants, 238110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 43 PerfectInterpolantSequences, 808/855 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: 585]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2284.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26795.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -270.9 MB). Peak memory consumption was 393.5 MB. Max. memory is 11.5 GB. * Witness Printer took 91.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...