./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product30.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_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/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 cd03795a63c29b127effb5dc5ece6588a3bdb5e0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:18,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:18,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:18,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:18,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:18,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:18,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:18,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:18,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:18,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:18,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:18,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:18,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:18,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:18,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:18,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:18,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:18,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:18,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:18,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:18,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:18,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:18,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:18,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:18,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:18,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:18,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:18,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:18,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:18,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:18,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:18,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:18,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:18,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:18,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:18,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:18,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:18,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:18,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:18,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:18,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:18,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:18,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:18,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:18,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:18,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:18,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:18,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:18,807 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:18,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:18,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:18,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:18,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:18,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:18,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:18,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:18,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:18,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:18,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:18,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:18,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:18,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:18,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:18,816 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:18,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:18,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:18,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:18,816 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_4a67c14b-2070-4862-a9de-6accb3f0b963/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 -> cd03795a63c29b127effb5dc5ece6588a3bdb5e0 [2019-10-22 11:25:18,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:18,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:18,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:18,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:18,865 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:18,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-10-22 11:25:18,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/data/357f8b0d0/806472494f444d76b9cd8c9737faf47b/FLAGf118ee879 [2019-10-22 11:25:19,342 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:19,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2019-10-22 11:25:19,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/data/357f8b0d0/806472494f444d76b9cd8c9737faf47b/FLAGf118ee879 [2019-10-22 11:25:19,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/data/357f8b0d0/806472494f444d76b9cd8c9737faf47b [2019-10-22 11:25:19,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:19,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:19,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:19,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:19,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:19,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:19" (1/1) ... [2019-10-22 11:25:19,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:19, skipping insertion in model container [2019-10-22 11:25:19,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:19" (1/1) ... [2019-10-22 11:25:19,725 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:19,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:20,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:20,095 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:20,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:20,185 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:20,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20 WrapperNode [2019-10-22 11:25:20,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:20,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:20,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:20,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:20,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:20,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:20,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:20,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:20,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... [2019-10-22 11:25:20,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:20,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:20,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:20,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:20,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/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 11:25:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:25:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:21,002 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:21,002 INFO L284 CfgBuilder]: Removed 164 assume(true) statements. [2019-10-22 11:25:21,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:21 BoogieIcfgContainer [2019-10-22 11:25:21,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:21,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:21,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:21,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:21,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:19" (1/3) ... [2019-10-22 11:25:21,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de2304f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:21, skipping insertion in model container [2019-10-22 11:25:21,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:20" (2/3) ... [2019-10-22 11:25:21,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de2304f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:21, skipping insertion in model container [2019-10-22 11:25:21,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:21" (3/3) ... [2019-10-22 11:25:21,009 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2019-10-22 11:25:21,017 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:21,023 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:25:21,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:25:21,051 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:21,051 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:21,051 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:21,051 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:21,052 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:21,052 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:21,052 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:21,052 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-10-22 11:25:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:25:21,070 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:21,071 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 11:25:21,073 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:21,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:21,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692801, now seen corresponding path program 1 times [2019-10-22 11:25:21,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:21,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20070146] [2019-10-22 11:25:21,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:21,294 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 11:25:21,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20070146] [2019-10-22 11:25:21,295 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:21,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:21,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231067976] [2019-10-22 11:25:21,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:21,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:21,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:21,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:21,313 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-10-22 11:25:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:21,337 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2019-10-22 11:25:21,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:21,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:25:21,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:21,349 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:25:21,349 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:25:21,352 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 11:25:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:25:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-22 11:25:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 11:25:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2019-10-22 11:25:21,390 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2019-10-22 11:25:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:21,391 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2019-10-22 11:25:21,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2019-10-22 11:25:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:25:21,392 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:21,392 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 11:25:21,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash 573769835, now seen corresponding path program 1 times [2019-10-22 11:25:21,393 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:21,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350110938] [2019-10-22 11:25:21,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:21,463 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 11:25:21,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350110938] [2019-10-22 11:25:21,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:21,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:21,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714090033] [2019-10-22 11:25:21,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:21,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:21,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:21,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:21,466 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2019-10-22 11:25:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:21,477 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2019-10-22 11:25:21,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:21,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:25:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:21,478 INFO L225 Difference]: With dead ends: 107 [2019-10-22 11:25:21,478 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:25:21,479 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 11:25:21,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:25:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:25:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:25:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 11:25:21,483 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-10-22 11:25:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:21,483 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 11:25:21,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 11:25:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:25:21,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:21,484 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 11:25:21,485 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:21,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash 197323452, now seen corresponding path program 1 times [2019-10-22 11:25:21,485 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:21,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208032713] [2019-10-22 11:25:21,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:21,572 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 11:25:21,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208032713] [2019-10-22 11:25:21,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:21,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:21,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756776872] [2019-10-22 11:25:21,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:21,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:21,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:21,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:21,574 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-10-22 11:25:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:21,610 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2019-10-22 11:25:21,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:21,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:25:21,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:21,615 INFO L225 Difference]: With dead ends: 84 [2019-10-22 11:25:21,615 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:25:21,615 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 11:25:21,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:25:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:25:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:25:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-10-22 11:25:21,625 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-10-22 11:25:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:21,626 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-10-22 11:25:21,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-10-22 11:25:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:25:21,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:21,627 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 11:25:21,627 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:21,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:21,627 INFO L82 PathProgramCache]: Analyzing trace with hash -303470070, now seen corresponding path program 1 times [2019-10-22 11:25:21,628 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:21,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362164914] [2019-10-22 11:25:21,628 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,628 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:21,737 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 11:25:21,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362164914] [2019-10-22 11:25:21,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:21,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:21,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106065621] [2019-10-22 11:25:21,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:21,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:21,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:21,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:21,741 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-10-22 11:25:21,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:21,926 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2019-10-22 11:25:21,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:25:21,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:25:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:21,931 INFO L225 Difference]: With dead ends: 242 [2019-10-22 11:25:21,931 INFO L226 Difference]: Without dead ends: 203 [2019-10-22 11:25:21,931 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:25:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-22 11:25:21,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2019-10-22 11:25:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-22 11:25:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2019-10-22 11:25:21,952 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2019-10-22 11:25:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:21,952 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2019-10-22 11:25:21,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2019-10-22 11:25:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:25:21,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:21,953 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 11:25:21,953 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:25:21,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:21,953 INFO L82 PathProgramCache]: Analyzing trace with hash -912506616, now seen corresponding path program 1 times [2019-10-22 11:25:21,954 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:21,954 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471465085] [2019-10-22 11:25:21,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:21,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:22,835 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:25:22,836 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:25:22,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:22 BoogieIcfgContainer [2019-10-22 11:25:22,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:22,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:22,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:22,913 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:22,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:21" (3/4) ... [2019-10-22 11:25:22,916 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:25:22,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4a67c14b-2070-4862-a9de-6accb3f0b963/bin/utaipan/witness.graphml [2019-10-22 11:25:22,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:22,988 INFO L168 Benchmark]: Toolchain (without parser) took 3281.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -76.2 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:22,989 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:22,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:22,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.13 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 11:25:22,990 INFO L168 Benchmark]: Boogie Preprocessor took 72.10 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 11:25:22,990 INFO L168 Benchmark]: RCFGBuilder took 674.04 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:22,991 INFO L168 Benchmark]: TraceAbstraction took 1908.64 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: 20.9 MB). Peak memory consumption was 187.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:22,991 INFO L168 Benchmark]: Witness Printer took 73.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:22,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.13 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 72.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 674.04 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1908.64 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: 20.9 MB). Peak memory consumption was 187.5 MB. Max. memory is 11.5 GB. * Witness Printer took 73.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; [L215] int retValue_acc ; [L216] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] tmp = valid_product() [L224] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND TRUE \read(tmp___2) [L874] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] COND TRUE \read(systemActive) [L738] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] COND FALSE !(\read(pumpRunning)) [L712] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] COND TRUE tmp___0 == 2 [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 412 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, 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, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...