./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:39:02,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:39:02,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:39:02,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:39:02,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:39:02,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:39:02,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:39:02,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:39:02,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:39:02,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:39:02,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:39:02,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:39:02,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:39:02,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:39:02,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:39:02,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:39:02,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:39:02,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:39:02,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:39:02,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:39:02,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:39:02,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:39:02,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:39:02,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:39:02,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:39:02,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:39:02,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:39:02,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:39:02,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:39:02,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:39:02,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:39:02,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:39:02,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:39:02,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:39:02,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:39:02,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:39:02,432 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:39:02,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:39:02,444 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:39:02,444 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:39:02,445 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:39:02,445 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:39:02,445 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:39:02,445 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:39:02,446 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:39:02,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:39:02,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:39:02,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:39:02,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:39:02,447 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:39:02,447 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:39:02,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:39:02,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:39:02,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:39:02,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:39:02,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:39:02,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:39:02,449 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:39:02,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:39:02,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:39:02,449 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_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-23 14:39:02,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:39:02,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:39:02,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:39:02,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:39:02,485 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:39:02,486 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-23 14:39:02,527 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/data/68002bef2/4d497a1f937f4d6f9490bef77df6f31f/FLAG1086611d0 [2018-11-23 14:39:02,887 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:39:02,888 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-23 14:39:02,895 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/data/68002bef2/4d497a1f937f4d6f9490bef77df6f31f/FLAG1086611d0 [2018-11-23 14:39:03,290 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/data/68002bef2/4d497a1f937f4d6f9490bef77df6f31f [2018-11-23 14:39:03,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:39:03,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:39:03,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:39:03,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:39:03,299 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:39:03,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03, skipping insertion in model container [2018-11-23 14:39:03,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:39:03,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:39:03,553 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:39:03,562 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:39:03,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:39:03,683 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:39:03,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03 WrapperNode [2018-11-23 14:39:03,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:39:03,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:39:03,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:39:03,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:39:03,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:39:03,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:39:03,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:39:03,722 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:39:03,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... [2018-11-23 14:39:03,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:39:03,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:39:03,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:39:03,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:39:03,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/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 [2018-11-23 14:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:39:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:39:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:39:04,234 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:39:04,234 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 14:39:04,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:04 BoogieIcfgContainer [2018-11-23 14:39:04,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:39:04,235 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:39:04,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:39:04,241 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:39:04,241 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:04" (1/1) ... [2018-11-23 14:39:04,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:39:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-11-23 14:39:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-11-23 14:39:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:39:04,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-11-23 14:39:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-11-23 14:39:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:39:04,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-11-23 14:39:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-11-23 14:39:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:39:04,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-11-23 14:39:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-11-23 14:39:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 14:39:04,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2018-11-23 14:39:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2018-11-23 14:39:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:39:05,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2018-11-23 14:39:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2018-11-23 14:39:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:39:05,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2018-11-23 14:39:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2018-11-23 14:39:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 14:39:05,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2018-11-23 14:39:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2018-11-23 14:39:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 14:39:05,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2018-11-23 14:39:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2018-11-23 14:39:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 14:39:05,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:39:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 169 transitions. [2018-11-23 14:39:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2018-11-23 14:39:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 14:39:06,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:06,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 170 transitions. [2018-11-23 14:39:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2018-11-23 14:39:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 14:39:06,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 185 transitions. [2018-11-23 14:39:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions. [2018-11-23 14:39:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 14:39:06,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 181 transitions. [2018-11-23 14:39:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2018-11-23 14:39:06,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 14:39:06,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:39:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 187 transitions. [2018-11-23 14:39:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2018-11-23 14:39:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 14:39:07,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:39:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 190 transitions. [2018-11-23 14:39:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2018-11-23 14:39:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 14:39:07,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 195 transitions. [2018-11-23 14:39:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2018-11-23 14:39:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:39:07,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 207 transitions. [2018-11-23 14:39:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2018-11-23 14:39:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 14:39:08,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 219 transitions. [2018-11-23 14:39:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2018-11-23 14:39:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:39:08,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:39:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 116 states and 180 transitions. [2018-11-23 14:39:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2018-11-23 14:39:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:39:08,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:39:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 124 states and 195 transitions. [2018-11-23 14:39:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 195 transitions. [2018-11-23 14:39:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:39:09,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:39:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 136 states and 217 transitions. [2018-11-23 14:39:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2018-11-23 14:39:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:39:10,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:39:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 138 states and 219 transitions. [2018-11-23 14:39:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2018-11-23 14:39:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 14:39:10,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:39:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 118 states and 175 transitions. [2018-11-23 14:39:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2018-11-23 14:39:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 14:39:10,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:39:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 120 states and 178 transitions. [2018-11-23 14:39:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 178 transitions. [2018-11-23 14:39:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 14:39:10,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 14:39:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:10,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 121 states and 179 transitions. [2018-11-23 14:39:10,972 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2018-11-23 14:39:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 14:39:10,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:39:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:39:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:39:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:39:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 53 states and 65 transitions. [2018-11-23 14:39:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-11-23 14:39:11,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:39:11,016 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-23 14:39:11,023 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:39:11,196 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,198 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,198 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 14:39:11,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,201 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 14:39:11,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,202 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,202 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 14:39:11,202 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:39:11,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:39:11 ImpRootNode [2018-11-23 14:39:11,203 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:39:11,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:39:11,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:39:11,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:39:11,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:04" (3/4) ... [2018-11-23 14:39:11,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:39:11,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:39:11,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:39:11,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:39:11,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:39:11,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:39:11,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:39:11,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-23 14:39:11,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 14:39:11,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 14:39:11,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 14:39:11,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:39:11,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:39:11,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:39:11,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-11-23 14:39:11,260 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_948270b4-2b44-4cd6-9a5d-da7c8fc4f643/bin-2019/ukojak/witness.graphml [2018-11-23 14:39:11,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:39:11,260 INFO L168 Benchmark]: Toolchain (without parser) took 7967.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -239.1 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,261 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:39:11,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:39:11,262 INFO L168 Benchmark]: Boogie Preprocessor took 20.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,262 INFO L168 Benchmark]: RCFGBuilder took 492.67 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: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,262 INFO L168 Benchmark]: CodeCheck took 6967.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,262 INFO L168 Benchmark]: Witness Printer took 57.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:39:11,264 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, 64 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 779663396 SDtfs, 275485228 SDslu, 502215516 SDs, 0 SdLazy, 545908348 SolverSat, 187146964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9389 GetRequests, 9129 SyntacticMatches, 68 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15486 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 976 NumberOfCodeBlocks, 976 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 79741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 318/331 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: 578]: 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: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.67 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: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * CodeCheck took 6967.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.9 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...