./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04a2c328d9e0793c06665765e370a46edcd58ae6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:25:10,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:10,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:10,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:10,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:10,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:10,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:10,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:10,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:10,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:10,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:10,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:10,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:10,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:10,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:10,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:10,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:10,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:10,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:10,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:10,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:10,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:10,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:10,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:10,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:10,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:10,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:10,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:10,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:10,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:10,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:10,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:10,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:10,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:10,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:10,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:10,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:10,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:10,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:10,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:10,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:10,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:10,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:10,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:10,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:10,470 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:10,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:10,470 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:10,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:10,471 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:10,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:10,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:10,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:10,471 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:10,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:10,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:10,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:10,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:10,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:10,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:10,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:10,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:10,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:10,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:10,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:10,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:10,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:10,475 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:10,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:10,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:10,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:10,476 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan 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 -> Taipan 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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2019-10-22 11:25:10,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:10,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:10,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:10,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:10,512 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:10,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2019-10-22 11:25:10,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/data/9994bb1dc/cee13e2d6b2d4a7fa82fd6074e6a32ff/FLAG9be1d8100 [2019-10-22 11:25:10,948 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:10,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2019-10-22 11:25:10,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/data/9994bb1dc/cee13e2d6b2d4a7fa82fd6074e6a32ff/FLAG9be1d8100 [2019-10-22 11:25:10,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/data/9994bb1dc/cee13e2d6b2d4a7fa82fd6074e6a32ff [2019-10-22 11:25:10,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:10,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:10,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:10,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:10" (1/1) ... [2019-10-22 11:25:10,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc70c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:10, skipping insertion in model container [2019-10-22 11:25:10,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:10" (1/1) ... [2019-10-22 11:25:10,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:11,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:11,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:11,329 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:11,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:11,444 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:11,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11 WrapperNode [2019-10-22 11:25:11,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:11,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:11,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:11,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:11,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:11,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:11,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:11,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:11,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... [2019-10-22 11:25:11,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:11,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:11,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:11,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:11,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-10-22 11:25:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:12,340 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:12,341 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 11:25:12,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12 BoogieIcfgContainer [2019-10-22 11:25:12,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:12,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:12,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:12,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:12,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:10" (1/3) ... [2019-10-22 11:25:12,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351a7ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:12, skipping insertion in model container [2019-10-22 11:25:12,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:11" (2/3) ... [2019-10-22 11:25:12,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351a7ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:12, skipping insertion in model container [2019-10-22 11:25:12,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12" (3/3) ... [2019-10-22 11:25:12,348 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2019-10-22 11:25:12,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:12,363 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:12,372 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:12,391 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:12,391 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:12,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:12,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:12,392 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:12,392 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:12,392 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:12,392 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-10-22 11:25:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:25:12,411 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:12,412 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:12,414 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:12,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:12,419 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2019-10-22 11:25:12,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:12,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233604823] [2019-10-22 11:25:12,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:12,592 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 11:25:12,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233604823] [2019-10-22 11:25:12,594 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:12,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:12,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773075030] [2019-10-22 11:25:12,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:12,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:12,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:12,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:12,614 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-10-22 11:25:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:12,638 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-10-22 11:25:12,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:12,639 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:25:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:12,647 INFO L225 Difference]: With dead ends: 215 [2019-10-22 11:25:12,648 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:25:12,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:12,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:25:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-22 11:25:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 11:25:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-10-22 11:25:12,688 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-10-22 11:25:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:12,688 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-10-22 11:25:12,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-10-22 11:25:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:25:12,689 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:12,689 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:12,690 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:12,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:12,690 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2019-10-22 11:25:12,690 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:12,691 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338737906] [2019-10-22 11:25:12,691 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,691 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:12,766 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 11:25:12,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338737906] [2019-10-22 11:25:12,766 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:12,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:12,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184812523] [2019-10-22 11:25:12,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:12,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:12,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:12,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:12,769 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2019-10-22 11:25:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:12,792 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-10-22 11:25:12,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:12,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:25:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:12,794 INFO L225 Difference]: With dead ends: 107 [2019-10-22 11:25:12,794 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 11:25:12,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:12,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 11:25:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 11:25:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 11:25:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-10-22 11:25:12,801 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-10-22 11:25:12,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:12,801 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-10-22 11:25:12,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-10-22 11:25:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:12,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:12,803 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:12,803 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:12,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:12,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2019-10-22 11:25:12,803 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:12,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589511603] [2019-10-22 11:25:12,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,804 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:12,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:12,904 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 11:25:12,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589511603] [2019-10-22 11:25:12,905 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:12,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:25:12,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200228643] [2019-10-22 11:25:12,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:25:12,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:12,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:25:12,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:12,906 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 6 states. [2019-10-22 11:25:13,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,045 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-10-22 11:25:13,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:25:13,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 11:25:13,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,047 INFO L225 Difference]: With dead ends: 151 [2019-10-22 11:25:13,047 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 11:25:13,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:13,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 11:25:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2019-10-22 11:25:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:25:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2019-10-22 11:25:13,062 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2019-10-22 11:25:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,062 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2019-10-22 11:25:13,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:25:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2019-10-22 11:25:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:25:13,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,063 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,064 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2019-10-22 11:25:13,064 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136005705] [2019-10-22 11:25:13,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,137 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 11:25:13,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136005705] [2019-10-22 11:25:13,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319000819] [2019-10-22 11:25:13,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,138 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2019-10-22 11:25:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,268 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2019-10-22 11:25:13,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:25:13,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:25:13,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,273 INFO L225 Difference]: With dead ends: 314 [2019-10-22 11:25:13,273 INFO L226 Difference]: Without dead ends: 254 [2019-10-22 11:25:13,274 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:25:13,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-22 11:25:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2019-10-22 11:25:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 11:25:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-10-22 11:25:13,304 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2019-10-22 11:25:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,304 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-10-22 11:25:13,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-10-22 11:25:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:25:13,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:13,306 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:13,307 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:13,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:13,307 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2019-10-22 11:25:13,307 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:13,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295778459] [2019-10-22 11:25:13,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:13,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:13,374 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 11:25:13,375 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295778459] [2019-10-22 11:25:13,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:13,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:13,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647783995] [2019-10-22 11:25:13,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:13,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:13,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:13,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:13,376 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2019-10-22 11:25:13,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:13,477 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2019-10-22 11:25:13,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:13,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:25:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:13,478 INFO L225 Difference]: With dead ends: 315 [2019-10-22 11:25:13,478 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:25:13,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:25:13,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:25:13,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:25:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:25:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:25:13,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-10-22 11:25:13,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:13,480 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:25:13,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:25:13,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:25:13,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:25:13,745 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,745 INFO L443 ceAbstractionStarter]: For program point L664-1(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,746 INFO L443 ceAbstractionStarter]: For program point L664-2(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,746 INFO L443 ceAbstractionStarter]: For program point L664-3(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,746 INFO L443 ceAbstractionStarter]: For program point L664-4(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,746 INFO L443 ceAbstractionStarter]: For program point L664-5(lines 664 681) no Hoare annotation was computed. [2019-10-22 11:25:13,746 INFO L439 ceAbstractionStarter]: At program point L632(lines 631 650) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,746 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 638) no Hoare annotation was computed. [2019-10-22 11:25:13,747 INFO L443 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L632-2(lines 631 650) the Hoare annotation is: false [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L632-3(lines 631 650) the Hoare annotation is: false [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L798(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L798-1(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L798-2(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,747 INFO L439 ceAbstractionStarter]: At program point L798-3(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,748 INFO L439 ceAbstractionStarter]: At program point L798-4(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,748 INFO L439 ceAbstractionStarter]: At program point L798-5(lines 783 801) the Hoare annotation is: false [2019-10-22 11:25:13,748 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2019-10-22 11:25:13,748 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,748 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 607) no Hoare annotation was computed. [2019-10-22 11:25:13,748 INFO L439 ceAbstractionStarter]: At program point L601-1(lines 632 638) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,748 INFO L439 ceAbstractionStarter]: At program point L734(lines 727 737) the Hoare annotation is: false [2019-10-22 11:25:13,749 INFO L439 ceAbstractionStarter]: At program point L734-1(lines 727 737) the Hoare annotation is: false [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,749 INFO L439 ceAbstractionStarter]: At program point L734-2(lines 727 737) the Hoare annotation is: false [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668-1(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668-3(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668-4(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,749 INFO L443 ceAbstractionStarter]: For program point L668-5(lines 668 676) no Hoare annotation was computed. [2019-10-22 11:25:13,750 INFO L439 ceAbstractionStarter]: At program point L867-2(lines 867 881) the Hoare annotation is: false [2019-10-22 11:25:13,750 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,750 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-22 11:25:13,750 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 11:25:13,753 INFO L439 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,754 INFO L439 ceAbstractionStarter]: At program point L639-1(lines 639 645) the Hoare annotation is: false [2019-10-22 11:25:13,754 INFO L439 ceAbstractionStarter]: At program point L639-2(lines 639 645) the Hoare annotation is: false [2019-10-22 11:25:13,754 INFO L439 ceAbstractionStarter]: At program point L144(lines 139 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-10-22 11:25:13,754 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-10-22 11:25:13,754 INFO L443 ceAbstractionStarter]: For program point L871-1(lines 632 638) no Hoare annotation was computed. [2019-10-22 11:25:13,754 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 812) no Hoare annotation was computed. [2019-10-22 11:25:13,754 INFO L439 ceAbstractionStarter]: At program point L806-1(lines 806 812) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,755 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-10-22 11:25:13,755 INFO L439 ceAbstractionStarter]: At program point L575-1(lines 575 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,755 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 946) no Hoare annotation was computed. [2019-10-22 11:25:13,755 INFO L446 ceAbstractionStarter]: At program point L939-1(lines 939 946) the Hoare annotation is: true [2019-10-22 11:25:13,755 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,755 INFO L439 ceAbstractionStarter]: At program point L743(lines 738 746) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,756 INFO L439 ceAbstractionStarter]: At program point L743-1(lines 738 746) the Hoare annotation is: false [2019-10-22 11:25:13,756 INFO L439 ceAbstractionStarter]: At program point L743-2(lines 738 746) the Hoare annotation is: false [2019-10-22 11:25:13,756 INFO L439 ceAbstractionStarter]: At program point L843(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:13,756 INFO L439 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: false [2019-10-22 11:25:13,756 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,756 INFO L443 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,756 INFO L443 ceAbstractionStarter]: For program point L547-2(line 547) no Hoare annotation was computed. [2019-10-22 11:25:13,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 172) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L439 ceAbstractionStarter]: At program point L155-1(lines 1 951) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 172) no Hoare annotation was computed. [2019-10-22 11:25:13,757 INFO L439 ceAbstractionStarter]: At program point L155-3(lines 1 951) the Hoare annotation is: false [2019-10-22 11:25:13,757 INFO L443 ceAbstractionStarter]: For program point L155-4(lines 155 172) no Hoare annotation was computed. [2019-10-22 11:25:13,758 INFO L439 ceAbstractionStarter]: At program point L155-5(lines 1 951) the Hoare annotation is: false [2019-10-22 11:25:13,758 INFO L446 ceAbstractionStarter]: At program point L948(lines 929 951) the Hoare annotation is: true [2019-10-22 11:25:13,758 INFO L439 ceAbstractionStarter]: At program point L915(lines 911 917) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-10-22 11:25:13,758 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L585-1(lines 585 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: false [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-10-22 11:25:13,762 INFO L439 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-10-22 11:25:13,763 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,763 INFO L439 ceAbstractionStarter]: At program point L851(lines 846 854) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 169) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L159-2(lines 159 169) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L159-4(lines 159 169) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L160-2(lines 160 166) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,764 INFO L443 ceAbstractionStarter]: For program point L160-4(lines 160 166) no Hoare annotation was computed. [2019-10-22 11:25:13,765 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:25:13,765 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:25:13,765 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-10-22 11:25:13,765 INFO L439 ceAbstractionStarter]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,765 INFO L439 ceAbstractionStarter]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,765 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 11:25:13,765 INFO L439 ceAbstractionStarter]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,765 INFO L439 ceAbstractionStarter]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:25:13,766 INFO L439 ceAbstractionStarter]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,766 INFO L439 ceAbstractionStarter]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L792-5(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,766 INFO L443 ceAbstractionStarter]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-8(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-9(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-11(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-12(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-14(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-15(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L792-17(lines 792 796) no Hoare annotation was computed. [2019-10-22 11:25:13,767 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:25:13,768 INFO L443 ceAbstractionStarter]: For program point L694-1(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:25:13,768 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2019-10-22 11:25:13,768 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-10-22 11:25:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:13 BoogieIcfgContainer [2019-10-22 11:25:13,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:13,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:13,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:13,787 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:13,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:12" (3/4) ... [2019-10-22 11:25:13,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:25:13,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:25:13,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:25:13,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:25:13,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:25:13,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:25:13,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:25:13,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 11:25:13,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-10-22 11:25:13,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-10-22 11:25:13,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:25:13,919 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9fcdf5a-26c1-4ff2-a09c-7b77e508c8cc/bin/utaipan/witness.graphml [2019-10-22 11:25:13,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:13,921 INFO L168 Benchmark]: Toolchain (without parser) took 2949.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.5 MB in the beginning and 877.1 MB in the end (delta: 67.5 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,921 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:13,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,922 INFO L168 Benchmark]: Boogie Preprocessor took 68.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,923 INFO L168 Benchmark]: RCFGBuilder took 746.49 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 11:25:13,923 INFO L168 Benchmark]: TraceAbstraction took 1444.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.2 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,923 INFO L168 Benchmark]: Witness Printer took 131.98 ms. Allocated memory is still 1.2 GB. Free memory was 887.2 MB in the beginning and 877.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 472.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 746.49 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. * TraceAbstraction took 1444.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.2 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. * Witness Printer took 131.98 ms. Allocated memory is still 1.2 GB. Free memory was 887.2 MB in the beginning and 877.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 449 SDtfs, 598 SDslu, 702 SDs, 0 SdLazy, 86 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 153 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...