./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/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 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:24:15,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:24:15,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:24:15,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:24:15,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:24:15,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:24:15,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:24:15,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:24:15,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:24:15,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:24:15,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:24:15,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:24:15,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:24:15,277 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:24:15,278 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:24:15,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:24:15,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:24:15,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:24:15,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:24:15,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:24:15,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:24:15,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:24:15,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:24:15,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:24:15,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:24:15,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:24:15,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:24:15,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:24:15,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:24:15,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:24:15,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:24:15,297 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:24:15,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:24:15,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:24:15,298 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:24:15,299 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:24:15,299 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:24:15,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:24:15,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:24:15,310 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:24:15,310 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:24:15,310 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:24:15,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:24:15,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:24:15,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:24:15,312 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:24:15,313 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:24:15,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:24:15,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:24:15,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:24:15,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:24:15,313 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:24:15,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:24:15,314 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:24:15,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:24:15,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:24:15,314 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_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/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 -> 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 [2018-11-18 11:24:15,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:24:15,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:24:15,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:24:15,343 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:24:15,343 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:24:15,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-11-18 11:24:15,380 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/data/c16bd1f59/0f17fc6a947c4659bcd076d0f48ffca5/FLAG5b342f6f8 [2018-11-18 11:24:15,806 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:24:15,807 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-11-18 11:24:15,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/data/c16bd1f59/0f17fc6a947c4659bcd076d0f48ffca5/FLAG5b342f6f8 [2018-11-18 11:24:15,825 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/data/c16bd1f59/0f17fc6a947c4659bcd076d0f48ffca5 [2018-11-18 11:24:15,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:24:15,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:24:15,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:15,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:24:15,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:24:15,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:15" (1/1) ... [2018-11-18 11:24:15,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:15, skipping insertion in model container [2018-11-18 11:24:15,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:15" (1/1) ... [2018-11-18 11:24:15,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:24:15,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:24:16,070 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:16,078 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:24:16,178 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:16,199 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:24:16,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16 WrapperNode [2018-11-18 11:24:16,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:16,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:16,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:24:16,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:24:16,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:16,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:24:16,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:24:16,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:24:16,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:24:16,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:24:16,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:24:16,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:24:16,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/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 [2018-11-18 11:24:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:24:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:24:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:24:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:24:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:24:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:24:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:24:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:24:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:24:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:24:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:24:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:24:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:24:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:24:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:24:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:24:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:24:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:24:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:24:16,963 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:24:16,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:16 BoogieIcfgContainer [2018-11-18 11:24:16,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:24:16,964 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:24:16,964 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:24:16,974 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:24:16,974 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:16" (1/1) ... [2018-11-18 11:24:16,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-11-18 11:24:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-11-18 11:24:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:24:17,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-11-18 11:24:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-11-18 11:24:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:24:17,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2018-11-18 11:24:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2018-11-18 11:24:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:24:17,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2018-11-18 11:24:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2018-11-18 11:24:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:24:17,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2018-11-18 11:24:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2018-11-18 11:24:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:24:17,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2018-11-18 11:24:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2018-11-18 11:24:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:24:17,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-11-18 11:24:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-11-18 11:24:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:24:17,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 99 states and 144 transitions. [2018-11-18 11:24:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2018-11-18 11:24:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:24:18,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2018-11-18 11:24:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2018-11-18 11:24:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:24:18,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 105 states and 158 transitions. [2018-11-18 11:24:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2018-11-18 11:24:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 11:24:18,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2018-11-18 11:24:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2018-11-18 11:24:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 11:24:18,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 125 states and 195 transitions. [2018-11-18 11:24:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2018-11-18 11:24:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:24:19,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 131 states and 205 transitions. [2018-11-18 11:24:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2018-11-18 11:24:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:24:19,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 211 transitions. [2018-11-18 11:24:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2018-11-18 11:24:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:24:19,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 212 transitions. [2018-11-18 11:24:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 212 transitions. [2018-11-18 11:24:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 11:24:19,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 140 states and 220 transitions. [2018-11-18 11:24:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2018-11-18 11:24:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 11:24:19,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 151 states and 245 transitions. [2018-11-18 11:24:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2018-11-18 11:24:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:24:19,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 149 states and 241 transitions. [2018-11-18 11:24:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 241 transitions. [2018-11-18 11:24:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:24:19,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:24:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 152 states and 246 transitions. [2018-11-18 11:24:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2018-11-18 11:24:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 11:24:20,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 153 states and 247 transitions. [2018-11-18 11:24:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2018-11-18 11:24:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:24:20,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 159 states and 261 transitions. [2018-11-18 11:24:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-11-18 11:24:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:21,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 160 states and 262 transitions. [2018-11-18 11:24:21,228 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-11-18 11:24:21,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:24:21,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 168 states and 275 transitions. [2018-11-18 11:24:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2018-11-18 11:24:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:24:21,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 171 states and 277 transitions. [2018-11-18 11:24:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 277 transitions. [2018-11-18 11:24:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:24:21,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 277 transitions. [2018-11-18 11:24:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2018-11-18 11:24:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:21,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 173 states and 278 transitions. [2018-11-18 11:24:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 278 transitions. [2018-11-18 11:24:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:21,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 190 states and 317 transitions. [2018-11-18 11:24:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 317 transitions. [2018-11-18 11:24:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:22,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 193 states and 320 transitions. [2018-11-18 11:24:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 320 transitions. [2018-11-18 11:24:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:24:23,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 206 states and 346 transitions. [2018-11-18 11:24:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 346 transitions. [2018-11-18 11:24:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:24:24,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 206 states and 345 transitions. [2018-11-18 11:24:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 345 transitions. [2018-11-18 11:24:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:24:24,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 209 states and 347 transitions. [2018-11-18 11:24:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2018-11-18 11:24:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:24:24,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:24:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 210 states and 347 transitions. [2018-11-18 11:24:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 347 transitions. [2018-11-18 11:24:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:24,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 209 states and 344 transitions. [2018-11-18 11:24:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 344 transitions. [2018-11-18 11:24:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:24,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 210 states and 345 transitions. [2018-11-18 11:24:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 345 transitions. [2018-11-18 11:24:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:24:25,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 208 states and 341 transitions. [2018-11-18 11:24:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 341 transitions. [2018-11-18 11:24:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:25,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:24:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 211 states and 345 transitions. [2018-11-18 11:24:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 345 transitions. [2018-11-18 11:24:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:24:25,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 218 states and 355 transitions. [2018-11-18 11:24:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 355 transitions. [2018-11-18 11:24:26,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:24:26,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:24:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 221 states and 360 transitions. [2018-11-18 11:24:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 360 transitions. [2018-11-18 11:24:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:24:26,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 224 states and 363 transitions. [2018-11-18 11:24:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 363 transitions. [2018-11-18 11:24:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:24:26,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 224 states and 357 transitions. [2018-11-18 11:24:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 357 transitions. [2018-11-18 11:24:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:24:27,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 172 states and 259 transitions. [2018-11-18 11:24:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 259 transitions. [2018-11-18 11:24:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:24:27,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 176 states and 266 transitions. [2018-11-18 11:24:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 266 transitions. [2018-11-18 11:24:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 11:24:27,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:24:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 177 states and 266 transitions. [2018-11-18 11:24:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 266 transitions. [2018-11-18 11:24:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:24:27,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 175 states and 262 transitions. [2018-11-18 11:24:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 262 transitions. [2018-11-18 11:24:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:24:27,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 176 states and 265 transitions. [2018-11-18 11:24:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 265 transitions. [2018-11-18 11:24:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:24:27,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 178 states and 268 transitions. [2018-11-18 11:24:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 268 transitions. [2018-11-18 11:24:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:24:27,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:24:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 181 states and 270 transitions. [2018-11-18 11:24:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2018-11-18 11:24:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:24:28,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:24:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 183 states and 272 transitions. [2018-11-18 11:24:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 272 transitions. [2018-11-18 11:24:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:24:28,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:24:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 184 states and 272 transitions. [2018-11-18 11:24:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2018-11-18 11:24:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:24:28,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:24:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 175 states and 255 transitions. [2018-11-18 11:24:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 255 transitions. [2018-11-18 11:24:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:24:28,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:24:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 177 states and 258 transitions. [2018-11-18 11:24:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 258 transitions. [2018-11-18 11:24:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 11:24:28,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 11:24:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 178 states and 259 transitions. [2018-11-18 11:24:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2018-11-18 11:24:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 11:24:28,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:24:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 110 states and 146 transitions. [2018-11-18 11:24:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2018-11-18 11:24:28,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:24:28,549 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2018-11-18 11:24:28,560 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:24:28,792 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,794 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,794 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,794 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,798 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 11:24:28,799 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 11:24:28,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:24:28,799 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 11:24:28,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:24:28 ImpRootNode [2018-11-18 11:24:28,801 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:24:28,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:24:28,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:24:28,802 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:24:28,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:16" (3/4) ... [2018-11-18 11:24:28,805 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:24:28,810 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:24:28,810 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:24:28,810 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:24:28,810 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:24:28,810 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:24:28,811 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:24:28,811 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:24:28,811 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:24:28,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-11-18 11:24:28,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:24:28,817 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:24:28,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 11:24:28,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == methaneLevelCritical || \old(pumpRunning) == pumpRunning) || 0 == pumpRunning [2018-11-18 11:24:28,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d06d06b7-fbe2-4d75-8f55-692ab861f1b7/bin-2019/ukojak/witness.graphml [2018-11-18 11:24:28,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:24:28,867 INFO L168 Benchmark]: Toolchain (without parser) took 13038.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -281.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,867 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:24:28,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,868 INFO L168 Benchmark]: Boogie Preprocessor took 22.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,868 INFO L168 Benchmark]: RCFGBuilder took 704.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,868 INFO L168 Benchmark]: CodeCheck took 11837.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:24:28,869 INFO L168 Benchmark]: Witness Printer took 64.26 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:28,870 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 9 procedures, 85 locations, 1 error locations. SAFE Result, 11.5s OverallTime, 53 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1547782180 SDtfs, -1807153492 SDslu, 1471943388 SDs, 0 SdLazy, -1095621540 SolverSat, 993613364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22351 GetRequests, 21767 SyntacticMatches, 312 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33326 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2348 NumberOfCodeBlocks, 2348 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2296 ConstructedInterpolants, 0 QuantifiedInterpolants, 241982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 44 PerfectInterpolantSequences, 893/939 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: 295]: 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: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical || \old(pumpRunning) == pumpRunning) || 0 == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 704.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 11837.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 64.26 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...