./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:01,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:01,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:01,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:01,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:01,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:01,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:01,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:01,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:01,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:01,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:01,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:01,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:01,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:01,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:01,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:01,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:01,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:01,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:01,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:01,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:01,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:01,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:01,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:01,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:01,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:01,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:01,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:01,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:01,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:01,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:01,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:01,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:01,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:01,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:01,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:01,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:01,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:01,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:01,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:01,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:01,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:01,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:01,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:01,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:01,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:01,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:01,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:01,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:01,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:01,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:01,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:01,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:01,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:01,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:01,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:01,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:01,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:01,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:01,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:01,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-10-22 10:16:01,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:01,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:01,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:01,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:01,532 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:01,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-10-22 10:16:01,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/data/5585fca7d/36d0ab34f2884515bcca4a6c12d832ed/FLAG5af670bb6 [2019-10-22 10:16:02,036 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:02,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-10-22 10:16:02,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/data/5585fca7d/36d0ab34f2884515bcca4a6c12d832ed/FLAG5af670bb6 [2019-10-22 10:16:02,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/data/5585fca7d/36d0ab34f2884515bcca4a6c12d832ed [2019-10-22 10:16:02,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:02,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:02,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:02,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:02,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:02,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:02" (1/1) ... [2019-10-22 10:16:02,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24abdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:02, skipping insertion in model container [2019-10-22 10:16:02,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:02" (1/1) ... [2019-10-22 10:16:02,574 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:02,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:02,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:03,004 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:03,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:03,124 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:03,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03 WrapperNode [2019-10-22 10:16:03,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:03,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:03,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:03,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:03,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:03,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:03,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:03,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:03,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... [2019-10-22 10:16:03,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:03,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:03,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:03,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:03,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/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 [2019-10-22 10:16:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:16:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:16:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:16:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:16:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:16:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:16:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:16:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:16:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:16:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:16:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:16:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:04,066 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:04,066 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:16:04,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:04 BoogieIcfgContainer [2019-10-22 10:16:04,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:04,068 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:04,068 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:04,079 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:04,079 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:04" (1/1) ... [2019-10-22 10:16:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2019-10-22 10:16:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-10-22 10:16:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:16:04,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2019-10-22 10:16:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2019-10-22 10:16:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:16:04,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2019-10-22 10:16:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-10-22 10:16:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:16:04,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2019-10-22 10:16:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 10:16:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:16:04,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-10-22 10:16:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-10-22 10:16:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:16:04,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2019-10-22 10:16:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2019-10-22 10:16:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:16:05,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2019-10-22 10:16:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2019-10-22 10:16:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:16:05,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2019-10-22 10:16:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2019-10-22 10:16:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:16:05,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2019-10-22 10:16:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2019-10-22 10:16:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:16:05,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2019-10-22 10:16:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2019-10-22 10:16:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:16:05,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2019-10-22 10:16:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2019-10-22 10:16:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:16:06,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 151 transitions. [2019-10-22 10:16:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2019-10-22 10:16:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:16:06,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2019-10-22 10:16:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2019-10-22 10:16:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:16:06,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2019-10-22 10:16:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2019-10-22 10:16:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:16:06,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2019-10-22 10:16:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-10-22 10:16:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:16:07,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2019-10-22 10:16:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-10-22 10:16:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:16:07,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2019-10-22 10:16:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2019-10-22 10:16:07,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:16:07,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 214 transitions. [2019-10-22 10:16:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2019-10-22 10:16:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:16:08,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 210 transitions. [2019-10-22 10:16:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2019-10-22 10:16:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:16:08,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2019-10-22 10:16:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2019-10-22 10:16:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:08,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:16:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 126 states and 229 transitions. [2019-10-22 10:16:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 229 transitions. [2019-10-22 10:16:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:09,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 127 states and 230 transitions. [2019-10-22 10:16:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2019-10-22 10:16:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:16:09,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 139 states and 263 transitions. [2019-10-22 10:16:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 263 transitions. [2019-10-22 10:16:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:16:12,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2019-10-22 10:16:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2019-10-22 10:16:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:16:14,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2019-10-22 10:16:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2019-10-22 10:16:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:16:14,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:16:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2019-10-22 10:16:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2019-10-22 10:16:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:16:14,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:16:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2019-10-22 10:16:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2019-10-22 10:16:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:16:15,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:16:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2019-10-22 10:16:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2019-10-22 10:16:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:16:15,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:16:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2019-10-22 10:16:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2019-10-22 10:16:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:16:15,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:16:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2019-10-22 10:16:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2019-10-22 10:16:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:16:15,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-22 10:16:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 129 states and 242 transitions. [2019-10-22 10:16:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2019-10-22 10:16:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:16:16,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-22 10:16:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2019-10-22 10:16:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-10-22 10:16:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:16:17,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-22 10:16:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2019-10-22 10:16:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2019-10-22 10:16:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:16:17,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-22 10:16:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2019-10-22 10:16:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2019-10-22 10:16:18,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:16:18,018 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-10-22 10:16:18,026 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:16:18,302 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,305 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,305 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,305 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,305 INFO L575 CodeCheckObserver]: Invariant with dag size 18 [2019-10-22 10:16:18,309 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,310 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,310 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,310 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:16:18,310 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,310 INFO L575 CodeCheckObserver]: Invariant with dag size 19 [2019-10-22 10:16:18,312 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:18,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:18 ImpRootNode [2019-10-22 10:16:18,312 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:18,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:18,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:18,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:18,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:04" (3/4) ... [2019-10-22 10:16:18,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:16:18,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:16:18,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:16:18,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:16:18,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:16:18,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:16:18,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-10-22 10:16:18,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-10-22 10:16:18,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:16:18,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:16:18,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:16:18,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:16:18,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2019-10-22 10:16:18,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-10-22 10:16:18,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d32a9d2-499b-4469-b123-fe99d77ae92c/bin/ukojak/witness.graphml [2019-10-22 10:16:18,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:18,386 INFO L168 Benchmark]: Toolchain (without parser) took 15826.40 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 426.2 MB). Free memory was 944.5 MB in the beginning and 1.4 GB in the end (delta: -436.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:18,386 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:18,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:18,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.32 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. [2019-10-22 10:16:18,387 INFO L168 Benchmark]: Boogie Preprocessor took 45.86 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:18,388 INFO L168 Benchmark]: RCFGBuilder took 813.00 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:18,388 INFO L168 Benchmark]: CodeCheck took 14244.23 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 301.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -364.0 MB). Peak memory consumption was 429.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:18,388 INFO L168 Benchmark]: Witness Printer took 71.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:18,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 13.9s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -521828208 SDtfs, -1752001706 SDslu, -1404391344 SDs, 0 SdLazy, -121527838 SolverSat, 734955520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12597 GetRequests, 12248 SyntacticMatches, 101 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28480 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1178 NumberOfCodeBlocks, 1178 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1145 ConstructedInterpolants, 0 QuantifiedInterpolants, 114184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 465/510 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.86 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 813.00 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 14244.23 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 301.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -364.0 MB). Peak memory consumption was 429.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...