./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:55:20,261 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:55:20,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:55:20,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:55:20,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:55:20,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:55:20,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:55:20,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:55:20,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:55:20,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:55:20,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:55:20,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:55:20,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:55:20,273 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:55:20,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:55:20,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:55:20,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:55:20,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:55:20,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:55:20,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:55:20,277 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:55:20,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:55:20,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:55:20,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:55:20,279 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:55:20,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:55:20,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:55:20,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:55:20,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:55:20,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:55:20,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:55:20,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:55:20,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:55:20,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:55:20,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:55:20,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:55:20,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:55:20,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:55:20,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:55:20,293 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:55:20,293 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:55:20,294 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:55:20,294 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:55:20,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:55:20,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:55:20,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:55:20,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:55:20,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:55:20,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:55:20,296 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:55:20,296 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:55:20,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:55:20,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:55:20,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:55:20,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:55:20,297 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:55:20,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:55:20,297 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:55:20,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:55:20,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:55:20,297 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_03df0944-ec45-4692-b435-c0ea895b692d/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-11-10 11:55:20,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:55:20,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:55:20,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:55:20,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:55:20,335 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:55:20,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-10 11:55:20,378 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/data/0415b2dc9/fa1550e1ff064c98a04734e787236164/FLAGdb4afd300 [2018-11-10 11:55:20,806 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:55:20,807 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-10 11:55:20,813 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/data/0415b2dc9/fa1550e1ff064c98a04734e787236164/FLAGdb4afd300 [2018-11-10 11:55:20,825 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/data/0415b2dc9/fa1550e1ff064c98a04734e787236164 [2018-11-10 11:55:20,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:55:20,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:55:20,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:55:20,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:55:20,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:55:20,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:55:20" (1/1) ... [2018-11-10 11:55:20,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:20, skipping insertion in model container [2018-11-10 11:55:20,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:55:20" (1/1) ... [2018-11-10 11:55:20,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:55:20,876 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:55:21,054 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:55:21,062 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:55:21,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:55:21,133 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:55:21,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21 WrapperNode [2018-11-10 11:55:21,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:55:21,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:55:21,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:55:21,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:55:21,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:55:21,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:55:21,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:55:21,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:55:21,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... [2018-11-10 11:55:21,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:55:21,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:55:21,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:55:21,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:55:21,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:55:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/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 [2018-11-10 11:55:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:55:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:55:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:55:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:55:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:55:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:55:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:55:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 11:55:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 11:55:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 11:55:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 11:55:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:55:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:55:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:55:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:55:22,112 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:55:22,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:55:22 BoogieIcfgContainer [2018-11-10 11:55:22,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:55:22,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:55:22,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:55:22,120 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:55:22,120 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:55:22" (1/1) ... [2018-11-10 11:55:22,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:55:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-10 11:55:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 11:55:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:55:22,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-10 11:55:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-10 11:55:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 11:55:22,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-10 11:55:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-10 11:55:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:55:22,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-11-10 11:55:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-11-10 11:55:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 11:55:22,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2018-11-10 11:55:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2018-11-10 11:55:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 11:55:23,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-11-10 11:55:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-11-10 11:55:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:55:23,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2018-11-10 11:55:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2018-11-10 11:55:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:55:23,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 164 transitions. [2018-11-10 11:55:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 164 transitions. [2018-11-10 11:55:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:55:24,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2018-11-10 11:55:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-11-10 11:55:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:55:24,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 111 states and 187 transitions. [2018-11-10 11:55:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-11-10 11:55:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:55:24,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 194 transitions. [2018-11-10 11:55:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2018-11-10 11:55:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 11:55:24,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2018-11-10 11:55:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2018-11-10 11:55:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 11:55:24,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2018-11-10 11:55:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-11-10 11:55:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 11:55:24,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 123 states and 209 transitions. [2018-11-10 11:55:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 209 transitions. [2018-11-10 11:55:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 11:55:24,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 214 transitions. [2018-11-10 11:55:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2018-11-10 11:55:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 11:55:25,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 11:55:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 242 transitions. [2018-11-10 11:55:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 242 transitions. [2018-11-10 11:55:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 11:55:25,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:25,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 11:55:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 245 transitions. [2018-11-10 11:55:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2018-11-10 11:55:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 11:55:26,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 262 transitions. [2018-11-10 11:55:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 262 transitions. [2018-11-10 11:55:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 11:55:27,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:55:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 146 states and 262 transitions. [2018-11-10 11:55:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2018-11-10 11:55:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 11:55:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 11:55:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 147 states and 265 transitions. [2018-11-10 11:55:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2018-11-10 11:55:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 11:55:27,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 11:55:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 150 states and 267 transitions. [2018-11-10 11:55:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2018-11-10 11:55:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 11:55:28,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 11:55:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 265 transitions. [2018-11-10 11:55:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 265 transitions. [2018-11-10 11:55:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 11:55:28,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 11:55:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 135 states and 234 transitions. [2018-11-10 11:55:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2018-11-10 11:55:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:55:28,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 11:55:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 241 transitions. [2018-11-10 11:55:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-11-10 11:55:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:55:28,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 11:55:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 140 states and 244 transitions. [2018-11-10 11:55:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2018-11-10 11:55:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 11:55:28,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:55:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:55:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 11:55:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:55:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 67 states and 101 transitions. [2018-11-10 11:55:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2018-11-10 11:55:29,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:55:29,113 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-10 11:55:29,120 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:55:29,262 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,264 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,264 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,264 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,264 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,265 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,265 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 11:55:29,268 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,268 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,269 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 11:55:29,270 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,270 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:55:29,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:55:29 ImpRootNode [2018-11-10 11:55:29,270 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:55:29,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:55:29,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:55:29,271 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:55:29,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:55:22" (3/4) ... [2018-11-10 11:55:29,275 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:55:29,278 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 11:55:29,278 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 11:55:29,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 11:55:29,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 11:55:29,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 11:55:29,279 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 11:55:29,284 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 11:55:29,285 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 11:55:29,285 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 11:55:29,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == 0 && \old(pumpRunning) == pumpRunning) || (waterLevel == 0 && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) [2018-11-10 11:55:29,335 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03df0944-ec45-4692-b435-c0ea895b692d/bin-2019/ukojak/witness.graphml [2018-11-10 11:55:29,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:55:29,335 INFO L168 Benchmark]: Toolchain (without parser) took 8507.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 960.3 MB in the beginning and 873.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 308.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,336 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:55:29,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,337 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,337 INFO L168 Benchmark]: RCFGBuilder took 880.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,337 INFO L168 Benchmark]: CodeCheck took 7157.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 1.0 GB in the beginning and 880.8 MB in the end (delta: 151.8 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,337 INFO L168 Benchmark]: Witness Printer took 64.21 ms. Allocated memory is still 1.3 GB. Free memory was 880.8 MB in the beginning and 873.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:29,339 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, 110 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 642022688 SDtfs, 339007156 SDslu, 590865544 SDs, 0 SdLazy, 543766160 SolverSat, 171069508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8364 GetRequests, 8072 SyntacticMatches, 88 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19956 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 72940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 251/293 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: 767]: 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((systemActive == 0 && \old(pumpRunning) == pumpRunning) || (waterLevel == 0 && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: ((tmp == 1 && 0 == pumpRunning) && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 880.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. * CodeCheck took 7157.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 1.0 GB in the beginning and 880.8 MB in the end (delta: 151.8 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. * Witness Printer took 64.21 ms. Allocated memory is still 1.3 GB. Free memory was 880.8 MB in the beginning and 873.8 MB 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...