./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_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_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/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 19e7916b57c61379c1750277bd4e75aabb7fe031 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:51:41,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:51:41,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:51:41,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:51:41,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:51:41,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:51:41,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:51:41,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:51:41,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:51:41,284 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:51:41,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:51:41,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:51:41,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:51:41,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:51:41,288 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:51:41,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:51:41,289 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:51:41,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:51:41,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:51:41,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:51:41,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:51:41,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:51:41,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:51:41,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:51:41,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:51:41,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:51:41,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:51:41,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:51:41,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:51:41,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:51:41,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:51:41,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:51:41,305 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:51:41,306 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:51:41,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:51:41,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:51:41,308 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:51:41,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:51:41,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:51:41,331 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:51:41,331 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:51:41,331 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:51:41,332 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:51:41,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:51:41,333 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:51:41,333 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:51:41,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:51:41,334 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:51:41,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:51:41,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:51:41,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:51:41,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:51:41,334 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:51:41,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:51:41,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:51:41,335 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_36c4192a-002f-4bb0-9268-4e33db92f375/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-10-26 20:51:41,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:51:41,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:51:41,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:51:41,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:51:41,377 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:51:41,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-10-26 20:51:41,432 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/data/1ddf97d75/838ffe2018594e0aabbc91cda08c90ed/FLAG4604ee3f2 [2018-10-26 20:51:41,866 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:51:41,867 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-10-26 20:51:41,877 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/data/1ddf97d75/838ffe2018594e0aabbc91cda08c90ed/FLAG4604ee3f2 [2018-10-26 20:51:41,891 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/data/1ddf97d75/838ffe2018594e0aabbc91cda08c90ed [2018-10-26 20:51:41,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:51:41,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:51:41,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:51:41,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:51:41,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:51:41,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:51:41" (1/1) ... [2018-10-26 20:51:41,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:41, skipping insertion in model container [2018-10-26 20:51:41,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:51:41" (1/1) ... [2018-10-26 20:51:41,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:51:41,956 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:51:42,241 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:51:42,251 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:51:42,318 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:51:42,357 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:51:42,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42 WrapperNode [2018-10-26 20:51:42,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:51:42,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:51:42,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:51:42,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:51:42,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:51:42,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:51:42,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:51:42,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:51:42,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... [2018-10-26 20:51:42,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:51:42,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:51:42,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:51:42,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:51:42,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:51:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/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 20:51:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:51:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:51:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:51:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:51:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:51:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:51:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:51:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:51:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:51:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 20:51:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 20:51:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:51:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:51:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:51:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:51:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:51:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:51:45,148 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:51:45,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:45 BoogieIcfgContainer [2018-10-26 20:51:45,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:51:45,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:51:45,150 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:51:45,161 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:51:45,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:45" (1/1) ... [2018-10-26 20:51:45,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:51:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2018-10-26 20:51:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2018-10-26 20:51:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:51:45,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:45,498 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 20:51:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2018-10-26 20:51:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2018-10-26 20:51:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:51:45,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2018-10-26 20:51:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2018-10-26 20:51:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:51:45,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:46,092 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 20:51:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-10-26 20:51:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-10-26 20:51:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:51:46,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:46,601 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 20:51:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2018-10-26 20:51:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-10-26 20:51:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:51:47,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:47,899 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 20:51:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2018-10-26 20:51:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2018-10-26 20:51:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:51:47,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:48,125 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 20:51:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2018-10-26 20:51:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2018-10-26 20:51:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:51:48,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:48,979 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 20:51:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 142 transitions. [2018-10-26 20:51:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 142 transitions. [2018-10-26 20:51:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:51:49,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:49,115 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 20:51:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2018-10-26 20:51:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2018-10-26 20:51:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:51:49,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:49,871 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 20:51:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 152 transitions. [2018-10-26 20:51:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2018-10-26 20:51:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:51:49,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:50,313 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 20:51:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 153 transitions. [2018-10-26 20:51:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2018-10-26 20:51:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:51:50,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:51,802 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 20:51:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 118 states and 189 transitions. [2018-10-26 20:51:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 189 transitions. [2018-10-26 20:51:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:51:52,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:52,796 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 20:51:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 119 states and 190 transitions. [2018-10-26 20:51:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 190 transitions. [2018-10-26 20:51:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:51:52,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:52,913 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 20:51:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 120 states and 191 transitions. [2018-10-26 20:51:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2018-10-26 20:51:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:51:53,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 202 transitions. [2018-10-26 20:51:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2018-10-26 20:51:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:51:54,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2018-10-26 20:51:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2018-10-26 20:51:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:51:55,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2018-10-26 20:51:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2018-10-26 20:51:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:51:55,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 228 transitions. [2018-10-26 20:51:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2018-10-26 20:51:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:51:56,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:51:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 150 states and 265 transitions. [2018-10-26 20:51:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 265 transitions. [2018-10-26 20:51:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:51:57,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:51:58,585 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 20:51:59,500 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 20:51:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 153 states and 269 transitions. [2018-10-26 20:51:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 269 transitions. [2018-10-26 20:51:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:51:59,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 154 states and 271 transitions. [2018-10-26 20:52:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2018-10-26 20:52:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:52:00,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 162 states and 290 transitions. [2018-10-26 20:52:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 290 transitions. [2018-10-26 20:52:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:52:02,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 163 states and 291 transitions. [2018-10-26 20:52:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 291 transitions. [2018-10-26 20:52:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:52:02,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 164 states and 292 transitions. [2018-10-26 20:52:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2018-10-26 20:52:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:52:03,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:52:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 167 states and 294 transitions. [2018-10-26 20:52:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 294 transitions. [2018-10-26 20:52:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:52:04,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:52:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 170 states and 304 transitions. [2018-10-26 20:52:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2018-10-26 20:52:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:52:04,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:52:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 172 states and 309 transitions. [2018-10-26 20:52:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 309 transitions. [2018-10-26 20:52:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:52:04,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:52:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 170 states and 303 transitions. [2018-10-26 20:52:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 303 transitions. [2018-10-26 20:52:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:52:05,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:52:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 173 states and 310 transitions. [2018-10-26 20:52:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 310 transitions. [2018-10-26 20:52:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:52:06,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:52:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 178 states and 318 transitions. [2018-10-26 20:52:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 318 transitions. [2018-10-26 20:52:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:52:06,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 179 states and 321 transitions. [2018-10-26 20:52:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2018-10-26 20:52:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:52:07,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:52:08,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 182 states and 325 transitions. [2018-10-26 20:52:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 325 transitions. [2018-10-26 20:52:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:52:08,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:52:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 183 states and 326 transitions. [2018-10-26 20:52:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 326 transitions. [2018-10-26 20:52:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:52:08,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:52:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 177 states and 314 transitions. [2018-10-26 20:52:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 314 transitions. [2018-10-26 20:52:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:52:08,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:52:09,675 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:52:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 177 states and 313 transitions. [2018-10-26 20:52:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 313 transitions. [2018-10-26 20:52:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:52:09,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:52:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 182 states and 322 transitions. [2018-10-26 20:52:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 322 transitions. [2018-10-26 20:52:10,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:52:10,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:52:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 183 states and 323 transitions. [2018-10-26 20:52:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2018-10-26 20:52:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:52:10,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:52:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 169 states and 298 transitions. [2018-10-26 20:52:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 298 transitions. [2018-10-26 20:52:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:52:10,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 20:52:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 170 states and 295 transitions. [2018-10-26 20:52:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 295 transitions. [2018-10-26 20:52:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:52:11,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:52:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 170 states and 293 transitions. [2018-10-26 20:52:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2018-10-26 20:52:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:52:11,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:52:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 172 states and 296 transitions. [2018-10-26 20:52:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 296 transitions. [2018-10-26 20:52:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 20:52:12,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 183 states and 328 transitions. [2018-10-26 20:52:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 328 transitions. [2018-10-26 20:52:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 20:52:14,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 186 states and 333 transitions. [2018-10-26 20:52:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 333 transitions. [2018-10-26 20:52:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:52:14,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:52:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 188 states and 328 transitions. [2018-10-26 20:52:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 328 transitions. [2018-10-26 20:52:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:52:15,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:52:18,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 201 states and 361 transitions. [2018-10-26 20:52:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 361 transitions. [2018-10-26 20:52:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:52:18,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 202 states and 362 transitions. [2018-10-26 20:52:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 362 transitions. [2018-10-26 20:52:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:52:19,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:52:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 204 states and 367 transitions. [2018-10-26 20:52:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 367 transitions. [2018-10-26 20:52:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:52:20,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:52:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 207 states and 371 transitions. [2018-10-26 20:52:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 371 transitions. [2018-10-26 20:52:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:52:21,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:52:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 208 states and 372 transitions. [2018-10-26 20:52:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 372 transitions. [2018-10-26 20:52:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:52:22,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 130 states and 203 transitions. [2018-10-26 20:52:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 203 transitions. [2018-10-26 20:52:23,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:52:23,694 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-10-26 20:52:23,703 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:52:24,012 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 1 [2018-10-26 20:52:24,212 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:52:24,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,511 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,511 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 20:52:24,514 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:52:24,515 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,515 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,519 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,519 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 20:52:24,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,521 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,521 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:52:24,521 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,521 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,522 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:24,522 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:52:24,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:52:24 ImpRootNode [2018-10-26 20:52:24,523 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:52:24,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:52:24,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:52:24,526 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:52:24,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:45" (3/4) ... [2018-10-26 20:52:24,529 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:52:24,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:52:24,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 20:52:24,541 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2018-10-26 20:52:24,542 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 20:52:24,542 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 20:52:24,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning) [2018-10-26 20:52:24,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) [2018-10-26 20:52:24,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-10-26 20:52:24,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) || waterLevel == \old(waterLevel)) || !(tmp == \old(waterLevel))) || !(0 == pumpRunning) [2018-10-26 20:52:24,622 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36c4192a-002f-4bb0-9268-4e33db92f375/bin-2019/ukojak/witness.graphml [2018-10-26 20:52:24,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:52:24,622 INFO L168 Benchmark]: Toolchain (without parser) took 42727.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 960.7 MB in the beginning and 1.0 GB in the end (delta: -52.5 MB). Peak memory consumption was 329.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,623 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:24,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.62 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,624 INFO L168 Benchmark]: Boogie Preprocessor took 33.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,624 INFO L168 Benchmark]: RCFGBuilder took 2631.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,625 INFO L168 Benchmark]: CodeCheck took 39373.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.3 MB). Peak memory consumption was 251.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,625 INFO L168 Benchmark]: Witness Printer took 96.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:24,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 125 locations, 1 error locations. SAFE Result, 38.5s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1157064120 SDtfs, -1451180978 SDslu, 632260792 SDs, 0 SdLazy, -1713983850 SolverSat, 424869072 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 109.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22845 GetRequests, 22004 SyntacticMatches, 513 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61359 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 2127 NumberOfCodeBlocks, 2127 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2078 ConstructedInterpolants, 0 QuantifiedInterpolants, 364105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 31 PerfectInterpolantSequences, 823/939 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: 946]: 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: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) || waterLevel == \old(waterLevel)) || !(tmp == \old(waterLevel))) || !(0 == pumpRunning) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && tmp == waterLevel) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.62 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 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 124.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2631.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * CodeCheck took 39373.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.3 MB). Peak memory consumption was 251.5 MB. Max. memory is 11.5 GB. * Witness Printer took 96.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...