./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07_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_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/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 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:36:02,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:36:02,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:36:02,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:36:02,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:36:02,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:36:02,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:36:02,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:36:02,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:36:02,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:36:02,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:36:02,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:36:02,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:36:02,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:36:02,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:36:02,272 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:36:02,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:36:02,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:36:02,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:36:02,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:36:02,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:36:02,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:36:02,283 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:36:02,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:36:02,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:36:02,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:36:02,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:36:02,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:36:02,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:36:02,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:36:02,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:36:02,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:36:02,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:36:02,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:36:02,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:36:02,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:36:02,293 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:36:02,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:36:02,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:36:02,308 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:36:02,309 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:36:02,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:36:02,310 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:36:02,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:36:02,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:36:02,311 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:36:02,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:36:02,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:36:02,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:36:02,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:36:02,312 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:36:02,313 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:36:02,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:36:02,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:36:02,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:36:02,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:36:02,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:36:02,316 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:36:02,316 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:36:02,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:36:02,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:36:02,317 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_0cf5122a-8c94-4ae7-8006-71039664c7be/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 -> 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f [2018-11-18 18:36:02,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:36:02,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:36:02,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:36:02,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:36:02,367 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:36:02,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c [2018-11-18 18:36:02,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/data/8b51fd04c/099ed43255cc418a98c80448ae0177a5/FLAG32b334c45 [2018-11-18 18:36:02,869 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:36:02,870 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c [2018-11-18 18:36:02,882 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/data/8b51fd04c/099ed43255cc418a98c80448ae0177a5/FLAG32b334c45 [2018-11-18 18:36:03,212 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/data/8b51fd04c/099ed43255cc418a98c80448ae0177a5 [2018-11-18 18:36:03,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:36:03,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:36:03,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:36:03,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:36:03,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:36:03,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afe988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03, skipping insertion in model container [2018-11-18 18:36:03,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:36:03,281 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:36:03,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:36:03,557 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:36:03,781 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:36:03,828 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:36:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03 WrapperNode [2018-11-18 18:36:03,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:36:03,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:36:03,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:36:03,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:36:03,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:36:03,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:36:03,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:36:03,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:36:03,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... [2018-11-18 18:36:03,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:36:03,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:36:03,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:36:03,920 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:36:03,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/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 18:36:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:36:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 18:36:03,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 18:36:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 18:36:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 18:36:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 18:36:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 18:36:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 18:36:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 18:36:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 18:36:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 18:36:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:36:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:36:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 18:36:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 18:36:05,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:36:05,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:05 BoogieIcfgContainer [2018-11-18 18:36:05,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:36:05,108 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:36:05,108 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:36:05,117 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:36:05,117 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:05" (1/1) ... [2018-11-18 18:36:05,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:36:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 18:36:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 18:36:05,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:36:05,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:05,397 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 18:36:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 18:36:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 18:36:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:36:05,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:05,571 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 18:36:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 18:36:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 18:36:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 18:36:05,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:05,824 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 18:36:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2018-11-18 18:36:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2018-11-18 18:36:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 18:36:05,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:06,039 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 18:36:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2018-11-18 18:36:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2018-11-18 18:36:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 18:36:06,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:06,117 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 18:36:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2018-11-18 18:36:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2018-11-18 18:36:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 18:36:06,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:06,210 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 18:36:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2018-11-18 18:36:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2018-11-18 18:36:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 18:36:06,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:06,449 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 18:36:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2018-11-18 18:36:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2018-11-18 18:36:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 18:36:06,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:06,906 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 18:36:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 144 transitions. [2018-11-18 18:36:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-11-18 18:36:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:36:07,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:07,111 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 18:36:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 145 transitions. [2018-11-18 18:36:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2018-11-18 18:36:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:36:07,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:07,258 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 18:36:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 146 transitions. [2018-11-18 18:36:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2018-11-18 18:36:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 18:36:07,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 169 transitions. [2018-11-18 18:36:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2018-11-18 18:36:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 18:36:08,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 170 transitions. [2018-11-18 18:36:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2018-11-18 18:36:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:36:08,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 166 transitions. [2018-11-18 18:36:08,285 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2018-11-18 18:36:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:36:08,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 101 states and 158 transitions. [2018-11-18 18:36:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2018-11-18 18:36:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 18:36:08,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 113 states and 191 transitions. [2018-11-18 18:36:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2018-11-18 18:36:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 18:36:09,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 116 states and 195 transitions. [2018-11-18 18:36:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2018-11-18 18:36:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:36:09,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 237 transitions. [2018-11-18 18:36:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 237 transitions. [2018-11-18 18:36:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 18:36:10,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 133 states and 237 transitions. [2018-11-18 18:36:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2018-11-18 18:36:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 18:36:10,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 18:36:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 134 states and 237 transitions. [2018-11-18 18:36:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2018-11-18 18:36:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 18:36:10,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 135 states and 238 transitions. [2018-11-18 18:36:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2018-11-18 18:36:10,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 18:36:10,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 136 states and 239 transitions. [2018-11-18 18:36:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 239 transitions. [2018-11-18 18:36:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 18:36:10,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 240 transitions. [2018-11-18 18:36:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2018-11-18 18:36:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 18:36:10,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 138 states and 241 transitions. [2018-11-18 18:36:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 241 transitions. [2018-11-18 18:36:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 18:36:11,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 139 states and 242 transitions. [2018-11-18 18:36:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2018-11-18 18:36:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 18:36:11,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 140 states and 247 transitions. [2018-11-18 18:36:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 247 transitions. [2018-11-18 18:36:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 18:36:11,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:36:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 141 states and 244 transitions. [2018-11-18 18:36:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2018-11-18 18:36:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 18:36:11,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:36:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 100 states and 152 transitions. [2018-11-18 18:36:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2018-11-18 18:36:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 18:36:12,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:36:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 104 states and 159 transitions. [2018-11-18 18:36:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2018-11-18 18:36:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:36:12,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:36:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 105 states and 159 transitions. [2018-11-18 18:36:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2018-11-18 18:36:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 18:36:12,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:36:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 103 states and 155 transitions. [2018-11-18 18:36:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2018-11-18 18:36:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 18:36:13,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:36:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:36:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:36:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:36:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 52 states and 72 transitions. [2018-11-18 18:36:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2018-11-18 18:36:13,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:36:13,112 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-11-18 18:36:13,124 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:36:13,278 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 1 [2018-11-18 18:36:13,540 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,543 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,544 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 18:36:13,549 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 18:36:13,549 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,550 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,551 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,551 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,551 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,551 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:36:13,551 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 18:36:13,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:36:13 ImpRootNode [2018-11-18 18:36:13,552 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:36:13,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:36:13,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:36:13,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:36:13,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:05" (3/4) ... [2018-11-18 18:36:13,561 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:36:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 18:36:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 18:36:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 18:36:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 18:36:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 18:36:13,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 18:36:13,576 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-18 18:36:13,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:36:13,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:36:13,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 18:36:13,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-11-18 18:36:13,659 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0cf5122a-8c94-4ae7-8006-71039664c7be/bin-2019/ukojak/witness.graphml [2018-11-18 18:36:13,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:36:13,660 INFO L168 Benchmark]: Toolchain (without parser) took 10444.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 175.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,660 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:36:13,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -200.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.12 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: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,663 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:36:13,663 INFO L168 Benchmark]: RCFGBuilder took 1187.24 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: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,664 INFO L168 Benchmark]: CodeCheck took 8444.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,664 INFO L168 Benchmark]: Witness Printer took 106.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:36:13,666 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 7 procedures, 76 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -546628020 SDtfs, 1676160340 SDslu, -1592013164 SDs, 0 SdLazy, -255118420 SolverSat, 954510668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9660 GetRequests, 9456 SyntacticMatches, 106 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3892 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1027 NumberOfCodeBlocks, 1027 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 996 ConstructedInterpolants, 0 QuantifiedInterpolants, 78612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 291/319 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: 183]: 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: 666]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 == pumpRunning && systemActive == 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 612.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -200.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.12 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: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1187.24 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: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8444.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. * Witness Printer took 106.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...