./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_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_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:17:24,320 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:17:24,321 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:17:24,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:17:24,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:17:24,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:17:24,330 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:17:24,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:17:24,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:17:24,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:17:24,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:17:24,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:17:24,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:17:24,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:17:24,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:17:24,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:17:24,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:17:24,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:17:24,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:17:24,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:17:24,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:17:24,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:17:24,343 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:17:24,344 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:17:24,344 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:17:24,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:17:24,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:17:24,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:17:24,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:17:24,347 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:17:24,347 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:17:24,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:17:24,348 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:17:24,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:17:24,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:17:24,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:17:24,349 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 13:17:24,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:17:24,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:17:24,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:17:24,360 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:17:24,360 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:17:24,361 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:17:24,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:17:24,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:17:24,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:17:24,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:17:24,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:17:24,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:17:24,362 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:17:24,363 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:17:24,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:17:24,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:17:24,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:17:24,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:17:24,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:17:24,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:17:24,364 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:17:24,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:17:24,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:17:24,364 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_d5bd29f4-e86c-4a73-864b-9faf543cecb2/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-11-10 13:17:24,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:17:24,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:17:24,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:17:24,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:17:24,398 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:17:24,398 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-10 13:17:24,433 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/data/8cf99358e/5675a772e7474a15af3536006f9c6536/FLAG97713142e [2018-11-10 13:17:24,853 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:17:24,853 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-11-10 13:17:24,859 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/data/8cf99358e/5675a772e7474a15af3536006f9c6536/FLAG97713142e [2018-11-10 13:17:24,868 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/data/8cf99358e/5675a772e7474a15af3536006f9c6536 [2018-11-10 13:17:24,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:17:24,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:17:24,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:17:24,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:17:24,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:17:24,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:24" (1/1) ... [2018-11-10 13:17:24,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d30dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:24, skipping insertion in model container [2018-11-10 13:17:24,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:17:24" (1/1) ... [2018-11-10 13:17:24,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:17:24,911 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:17:25,088 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:17:25,096 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:17:25,149 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:17:25,165 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:17:25,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25 WrapperNode [2018-11-10 13:17:25,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:17:25,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:17:25,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:17:25,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:17:25,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:17:25,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:17:25,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:17:25,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:17:25,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... [2018-11-10 13:17:25,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:17:25,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:17:25,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:17:25,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:17:25,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:17:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/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 13:17:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:17:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 13:17:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 13:17:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 13:17:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 13:17:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 13:17:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 13:17:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 13:17:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 13:17:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 13:17:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 13:17:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 13:17:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 13:17:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 13:17:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 13:17:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 13:17:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 13:17:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:17:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:17:26,397 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:17:26,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:26 BoogieIcfgContainer [2018-11-10 13:17:26,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:17:26,398 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:17:26,398 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:17:26,405 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:17:26,405 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:26" (1/1) ... [2018-11-10 13:17:26,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:17:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-11-10 13:17:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-11-10 13:17:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 13:17:26,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:26,584 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 13:17:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-11-10 13:17:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-11-10 13:17:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:17:26,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:26,665 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 13:17:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-11-10 13:17:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-11-10 13:17:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 13:17:26,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:26,789 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 13:17:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2018-11-10 13:17:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2018-11-10 13:17:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 13:17:26,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:27,022 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 13:17:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2018-11-10 13:17:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2018-11-10 13:17:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 13:17:27,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:27,307 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 13:17:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 131 transitions. [2018-11-10 13:17:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2018-11-10 13:17:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 13:17:27,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:27,507 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 13:17:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 161 transitions. [2018-11-10 13:17:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2018-11-10 13:17:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 13:17:27,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:27,921 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 13:17:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 100 states and 162 transitions. [2018-11-10 13:17:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2018-11-10 13:17:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:17:27,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:27,978 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 13:17:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 102 states and 164 transitions. [2018-11-10 13:17:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2018-11-10 13:17:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 13:17:28,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:28,155 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 13:17:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 109 states and 177 transitions. [2018-11-10 13:17:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2018-11-10 13:17:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 13:17:28,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:28,345 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 13:17:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2018-11-10 13:17:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2018-11-10 13:17:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 13:17:28,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:28,375 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 13:17:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 114 states and 186 transitions. [2018-11-10 13:17:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2018-11-10 13:17:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 13:17:28,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:28,498 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 13:17:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 187 transitions. [2018-11-10 13:17:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2018-11-10 13:17:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 13:17:28,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:28,760 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 13:17:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 127 states and 227 transitions. [2018-11-10 13:17:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2018-11-10 13:17:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 13:17:29,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:29,765 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 13:17:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 128 states and 228 transitions. [2018-11-10 13:17:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2018-11-10 13:17:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 13:17:29,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:29,876 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 13:17:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 136 states and 256 transitions. [2018-11-10 13:17:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 256 transitions. [2018-11-10 13:17:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 13:17:30,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:30,559 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 13:17:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 138 states and 272 transitions. [2018-11-10 13:17:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 272 transitions. [2018-11-10 13:17:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 13:17:30,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:30,795 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 13:17:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 141 states and 275 transitions. [2018-11-10 13:17:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2018-11-10 13:17:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 13:17:31,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:31,057 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 13:17:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 142 states and 276 transitions. [2018-11-10 13:17:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 276 transitions. [2018-11-10 13:17:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 13:17:31,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:31,396 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 13:17:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 290 transitions. [2018-11-10 13:17:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 290 transitions. [2018-11-10 13:17:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 13:17:32,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:32,307 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 13:17:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 149 states and 295 transitions. [2018-11-10 13:17:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 295 transitions. [2018-11-10 13:17:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 13:17:32,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:32,519 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 13:17:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 154 states and 309 transitions. [2018-11-10 13:17:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 309 transitions. [2018-11-10 13:17:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 13:17:33,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:33,213 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 13:17:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 156 states and 311 transitions. [2018-11-10 13:17:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2018-11-10 13:17:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 13:17:33,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:33,573 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 13:17:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 158 states and 313 transitions. [2018-11-10 13:17:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 313 transitions. [2018-11-10 13:17:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 13:17:33,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:33,946 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 13:17:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 160 states and 316 transitions. [2018-11-10 13:17:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 316 transitions. [2018-11-10 13:17:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 13:17:33,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:34,112 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 13:17:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 165 states and 331 transitions. [2018-11-10 13:17:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 331 transitions. [2018-11-10 13:17:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:17:34,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:34,839 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 13:17:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 167 states and 333 transitions. [2018-11-10 13:17:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 333 transitions. [2018-11-10 13:17:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:17:35,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,236 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 13:17:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 165 states and 313 transitions. [2018-11-10 13:17:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 313 transitions. [2018-11-10 13:17:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 13:17:35,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,264 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 13:17:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 169 states and 320 transitions. [2018-11-10 13:17:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 320 transitions. [2018-11-10 13:17:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:17:35,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 13:17:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 157 states and 296 transitions. [2018-11-10 13:17:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 296 transitions. [2018-11-10 13:17:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:17:35,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,673 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 13:17:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 155 states and 288 transitions. [2018-11-10 13:17:35,687 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 288 transitions. [2018-11-10 13:17:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 13:17:35,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,704 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 13:17:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 155 states and 287 transitions. [2018-11-10 13:17:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 287 transitions. [2018-11-10 13:17:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:17:35,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:35,900 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 13:17:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 156 states and 287 transitions. [2018-11-10 13:17:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 287 transitions. [2018-11-10 13:17:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 13:17:36,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 13:17:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 158 states and 291 transitions. [2018-11-10 13:17:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 291 transitions. [2018-11-10 13:17:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 13:17:36,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:17:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:17:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 13:17:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:17:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 101 states and 160 transitions. [2018-11-10 13:17:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2018-11-10 13:17:36,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:17:36,581 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-10 13:17:36,589 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 13:17:36,759 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,761 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,761 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,761 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 13:17:36,765 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,765 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,765 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,765 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,765 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,766 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:17:36,767 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 13:17:36,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:17:36 ImpRootNode [2018-11-10 13:17:36,767 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:17:36,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:17:36,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:17:36,768 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:17:36,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:17:26" (3/4) ... [2018-11-10 13:17:36,771 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:17:36,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 13:17:36,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 13:17:36,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 13:17:36,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 13:17:36,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 13:17:36,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 13:17:36,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 13:17:36,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 13:17:36,781 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2018-11-10 13:17:36,781 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 13:17:36,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 13:17:36,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(waterLevel == 1) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2018-11-10 13:17:36,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-10 13:17:36,837 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5bd29f4-e86c-4a73-864b-9faf543cecb2/bin-2019/ukojak/witness.graphml [2018-11-10 13:17:36,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:17:36,838 INFO L168 Benchmark]: Toolchain (without parser) took 11967.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.3 MB). Free memory was 963.0 MB in the beginning and 1.3 GB in the end (delta: -343.3 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,838 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:17:36,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,839 INFO L168 Benchmark]: Boogie Preprocessor took 26.17 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. [2018-11-10 13:17:36,839 INFO L168 Benchmark]: RCFGBuilder took 1120.18 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,839 INFO L168 Benchmark]: CodeCheck took 10369.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 325.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -278.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,840 INFO L168 Benchmark]: Witness Printer took 69.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:17:36,841 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 9 procedures, 126 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1213425072 SDtfs, 1676145476 SDslu, -1703344608 SDs, 0 SdLazy, -757922052 SolverSat, -117170936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13241 GetRequests, 12833 SyntacticMatches, 162 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28555 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 122716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 386/439 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: 944]: 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: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((!(waterLevel == 1) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.17 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. * RCFGBuilder took 1120.18 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10369.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 325.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -278.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * Witness Printer took 69.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...