./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_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_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:33:22,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:33:22,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:33:22,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:33:22,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:33:22,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:33:22,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:33:22,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:33:22,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:33:22,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:33:22,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:33:22,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:33:22,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:33:22,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:33:22,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:33:22,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:33:22,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:33:22,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:33:22,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:33:22,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:33:22,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:33:22,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:33:22,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:33:22,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:33:22,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:33:22,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:33:22,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:33:22,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:33:22,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:33:22,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:33:22,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:33:22,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:33:22,320 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:33:22,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:33:22,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:33:22,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:33:22,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:33:22,329 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:33:22,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:33:22,330 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:33:22,330 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:33:22,331 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:33:22,331 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:33:22,331 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:33:22,331 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:33:22,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:33:22,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:33:22,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:33:22,332 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:33:22,333 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:33:22,333 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:33:22,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:33:22,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:33:22,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:33:22,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:33:22,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:33:22,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:33:22,334 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:33:22,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:33:22,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:33:22,334 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_751c8b26-a6e2-4755-9821-1ad847f1065c/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2018-11-18 13:33:22,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:33:22,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:33:22,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:33:22,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:33:22,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:33:22,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:33:22,415 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/data/d461888fa/21f4b060aeaf4252bb97923608750b05/FLAG1e488c0ed [2018-11-18 13:33:22,782 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:33:22,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:33:22,791 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/data/d461888fa/21f4b060aeaf4252bb97923608750b05/FLAG1e488c0ed [2018-11-18 13:33:23,174 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/data/d461888fa/21f4b060aeaf4252bb97923608750b05 [2018-11-18 13:33:23,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:33:23,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:33:23,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:33:23,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:33:23,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:33:23,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23, skipping insertion in model container [2018-11-18 13:33:23,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:33:23,222 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:33:23,416 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:33:23,424 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:33:23,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:33:23,544 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:33:23,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23 WrapperNode [2018-11-18 13:33:23,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:33:23,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:33:23,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:33:23,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:33:23,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:33:23,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:33:23,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:33:23,586 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:33:23,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... [2018-11-18 13:33:23,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:33:23,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:33:23,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:33:23,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:33:23,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:33:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/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 13:33:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:33:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:33:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:33:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:33:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:33:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:33:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:33:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:33:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:33:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:33:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:33:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:33:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:33:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:33:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:33:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:33:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:33:24,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:33:24,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:33:24 BoogieIcfgContainer [2018-11-18 13:33:24,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:33:24,395 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:33:24,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:33:24,401 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:33:24,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:33:24" (1/1) ... [2018-11-18 13:33:24,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:33:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2018-11-18 13:33:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-11-18 13:33:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:33:24,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:24,593 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 13:33:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-11-18 13:33:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-11-18 13:33:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:33:24,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:24,686 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 13:33:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-11-18 13:33:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-18 13:33:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:33:24,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:24,791 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 13:33:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-18 13:33:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-18 13:33:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:33:24,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:33:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2018-11-18 13:33:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2018-11-18 13:33:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:33:25,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,052 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 13:33:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2018-11-18 13:33:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2018-11-18 13:33:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:33:25,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,098 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 13:33:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2018-11-18 13:33:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2018-11-18 13:33:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:33:25,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,189 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 13:33:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2018-11-18 13:33:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-11-18 13:33:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:33:25,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,465 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 13:33:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 153 transitions. [2018-11-18 13:33:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2018-11-18 13:33:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:33:25,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,524 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 13:33:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 154 transitions. [2018-11-18 13:33:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2018-11-18 13:33:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:33:25,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:33:25,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 155 transitions. [2018-11-18 13:33:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2018-11-18 13:33:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:33:25,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,678 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 13:33:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 177 transitions. [2018-11-18 13:33:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2018-11-18 13:33:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:33:25,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,930 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 13:33:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 173 transitions. [2018-11-18 13:33:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2018-11-18 13:33:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:33:25,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:25,967 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 13:33:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 167 transitions. [2018-11-18 13:33:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2018-11-18 13:33:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:33:25,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:26,009 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 13:33:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 169 transitions. [2018-11-18 13:33:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2018-11-18 13:33:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:33:26,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 128 states and 216 transitions. [2018-11-18 13:33:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2018-11-18 13:33:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:33:26,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 146 states and 261 transitions. [2018-11-18 13:33:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 261 transitions. [2018-11-18 13:33:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:33:27,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 149 states and 266 transitions. [2018-11-18 13:33:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 266 transitions. [2018-11-18 13:33:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:33:27,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 165 states and 313 transitions. [2018-11-18 13:33:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 313 transitions. [2018-11-18 13:33:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:33:28,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 167 states and 323 transitions. [2018-11-18 13:33:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 323 transitions. [2018-11-18 13:33:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:33:28,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 170 states and 326 transitions. [2018-11-18 13:33:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 326 transitions. [2018-11-18 13:33:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:33:29,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 171 states and 329 transitions. [2018-11-18 13:33:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2018-11-18 13:33:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:33:29,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:29,365 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 13:33:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 180 states and 355 transitions. [2018-11-18 13:33:29,734 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 355 transitions. [2018-11-18 13:33:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:29,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:33:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 182 states and 357 transitions. [2018-11-18 13:33:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 357 transitions. [2018-11-18 13:33:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:33:29,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 183 states and 359 transitions. [2018-11-18 13:33:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 359 transitions. [2018-11-18 13:33:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:33:30,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 186 states and 364 transitions. [2018-11-18 13:33:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 364 transitions. [2018-11-18 13:33:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:33:30,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,256 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 13:33:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 189 states and 372 transitions. [2018-11-18 13:33:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2018-11-18 13:33:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:30,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:33:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 191 states and 374 transitions. [2018-11-18 13:33:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 374 transitions. [2018-11-18 13:33:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:30,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 192 states and 375 transitions. [2018-11-18 13:33:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 375 transitions. [2018-11-18 13:33:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:30,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 193 states and 376 transitions. [2018-11-18 13:33:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 376 transitions. [2018-11-18 13:33:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:30,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 194 states and 377 transitions. [2018-11-18 13:33:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-11-18 13:33:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:33:30,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 195 states and 378 transitions. [2018-11-18 13:33:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 378 transitions. [2018-11-18 13:33:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:33:30,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:33:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 196 states and 372 transitions. [2018-11-18 13:33:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 372 transitions. [2018-11-18 13:33:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:33:31,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:33:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 197 states and 373 transitions. [2018-11-18 13:33:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 373 transitions. [2018-11-18 13:33:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:31,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:31,308 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 13:33:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 198 states and 373 transitions. [2018-11-18 13:33:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 373 transitions. [2018-11-18 13:33:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:33:31,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:31,430 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 13:33:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 199 states and 373 transitions. [2018-11-18 13:33:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 373 transitions. [2018-11-18 13:33:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:33:31,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:33:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 378 transitions. [2018-11-18 13:33:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 378 transitions. [2018-11-18 13:33:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:33:31,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:33:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 208 states and 379 transitions. [2018-11-18 13:33:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 379 transitions. [2018-11-18 13:33:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:33:32,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:33:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 152 states and 254 transitions. [2018-11-18 13:33:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 254 transitions. [2018-11-18 13:33:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:33:32,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:32,217 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 13:33:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 157 states and 261 transitions. [2018-11-18 13:33:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 261 transitions. [2018-11-18 13:33:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:33:32,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:32,404 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 13:33:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 162 states and 270 transitions. [2018-11-18 13:33:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 270 transitions. [2018-11-18 13:33:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:33:32,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:33:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 163 states and 271 transitions. [2018-11-18 13:33:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 271 transitions. [2018-11-18 13:33:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:33:32,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:33:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 165 states and 275 transitions. [2018-11-18 13:33:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 275 transitions. [2018-11-18 13:33:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:33:33,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:33:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 166 states and 275 transitions. [2018-11-18 13:33:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 275 transitions. [2018-11-18 13:33:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:33:33,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,496 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 13:33:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 164 states and 270 transitions. [2018-11-18 13:33:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2018-11-18 13:33:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:33:33,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,721 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 13:33:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 165 states and 273 transitions. [2018-11-18 13:33:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 273 transitions. [2018-11-18 13:33:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:33:33,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:33:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 170 states and 278 transitions. [2018-11-18 13:33:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 278 transitions. [2018-11-18 13:33:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:33:33,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:33:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 171 states and 279 transitions. [2018-11-18 13:33:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 279 transitions. [2018-11-18 13:33:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:33:33,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:33:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 171 states and 278 transitions. [2018-11-18 13:33:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 278 transitions. [2018-11-18 13:33:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:33:34,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:33:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 162 states and 261 transitions. [2018-11-18 13:33:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2018-11-18 13:33:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:33:34,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:33:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:33:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:33:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 90 states and 130 transitions. [2018-11-18 13:33:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2018-11-18 13:33:34,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:33:34,197 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2018-11-18 13:33:34,203 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:33:34,389 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,391 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,391 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 13:33:34,394 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,394 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,394 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,394 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 13:33:34,395 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 13:33:34,395 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,395 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,395 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,395 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,396 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,396 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,396 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 13:33:34,396 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:33:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:33:34 ImpRootNode [2018-11-18 13:33:34,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:33:34,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:33:34,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:33:34,399 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:33:34,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:33:24" (3/4) ... [2018-11-18 13:33:34,402 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:33:34,406 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:33:34,411 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 13:33:34,411 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:33:34,412 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:33:34,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-11-18 13:33:34,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-11-18 13:33:34,467 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_751c8b26-a6e2-4755-9821-1ad847f1065c/bin-2019/ukojak/witness.graphml [2018-11-18 13:33:34,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:33:34,468 INFO L168 Benchmark]: Toolchain (without parser) took 11291.05 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.0 MB). Free memory was 956.6 MB in the beginning and 871.7 MB in the end (delta: 84.9 MB). Peak memory consumption was 430.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:34,469 INFO L168 Benchmark]: CDTParser took 0.14 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 13:33:34,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:34,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.70 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 13:33:34,469 INFO L168 Benchmark]: Boogie Preprocessor took 25.06 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 13:33:34,469 INFO L168 Benchmark]: RCFGBuilder took 783.75 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: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:34,470 INFO L168 Benchmark]: CodeCheck took 10003.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 153.7 MB). Peak memory consumption was 366.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:34,470 INFO L168 Benchmark]: Witness Printer took 68.77 ms. Allocated memory is still 1.4 GB. Free memory was 881.4 MB in the beginning and 871.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:33:34,471 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, 85 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1089094060 SDtfs, -685220196 SDslu, 1794705244 SDs, 0 SdLazy, 926572492 SolverSat, 1442355644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22231 GetRequests, 21787 SyntacticMatches, 210 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24200 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2368 NumberOfCodeBlocks, 2368 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2318 ConstructedInterpolants, 0 QuantifiedInterpolants, 241181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 29 PerfectInterpolantSequences, 905/1000 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: 685]: 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: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (!(0 == systemActive) || !(0 == pumpRunning)) || methaneLevelCritical == tmp - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 == pumpRunning && systemActive == 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.70 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 25.06 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 783.75 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: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * CodeCheck took 10003.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 153.7 MB). Peak memory consumption was 366.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.77 ms. Allocated memory is still 1.4 GB. Free memory was 881.4 MB in the beginning and 871.7 MB 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...