./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/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 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:17:47,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:47,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:47,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:47,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:47,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:47,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:47,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:47,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:47,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:47,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:47,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:47,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:47,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:47,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:47,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:47,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:47,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:47,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:47,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:47,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:47,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:47,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:47,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:47,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:47,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:47,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:47,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:47,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:47,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:47,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:47,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:47,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:47,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:47,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:47,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:47,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:47,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:47,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:47,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:47,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:47,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:17:47,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:47,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:47,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:47,799 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:47,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:47,800 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:47,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:17:47,800 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:47,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:47,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:17:47,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:17:47,801 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:47,801 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:17:47,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:17:47,802 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:17:47,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:47,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:47,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:17:47,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:47,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:47,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:47,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:47,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:47,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:47,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:47,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:47,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:47,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:47,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:47,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:47,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:47,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:47,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:47,806 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:17:47,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:17:47,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:47,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:47,807 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/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/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 -> 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 [2019-11-26 02:17:48,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:48,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:48,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:48,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:48,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:48,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2019-11-26 02:17:48,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/data/c877ef1c6/6bae67960b274bd6a52f8a1a4a0d8809/FLAGc523b9e77 [2019-11-26 02:17:48,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:48,586 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2019-11-26 02:17:48,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/data/c877ef1c6/6bae67960b274bd6a52f8a1a4a0d8809/FLAGc523b9e77 [2019-11-26 02:17:48,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/data/c877ef1c6/6bae67960b274bd6a52f8a1a4a0d8809 [2019-11-26 02:17:48,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:48,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:48,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:48,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:48,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:48,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:48" (1/1) ... [2019-11-26 02:17:48,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9f3ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:48, skipping insertion in model container [2019-11-26 02:17:48,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:48" (1/1) ... [2019-11-26 02:17:48,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:48,955 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:49,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:49,406 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:17:49,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:17:49,509 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:17:49,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49 WrapperNode [2019-11-26 02:17:49,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:49,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:49,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:17:49,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:17:49,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:17:49,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:17:49,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:17:49,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:17:49,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... [2019-11-26 02:17:49,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:17:49,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:17:49,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:17:49,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:17:49,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/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 [2019-11-26 02:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:17:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:17:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:17:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:17:50,942 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:17:50,942 INFO L284 CfgBuilder]: Removed 82 assume(true) statements. [2019-11-26 02:17:50,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:50 BoogieIcfgContainer [2019-11-26 02:17:50,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:17:50,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:17:50,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:17:50,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:17:50,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:17:48" (1/3) ... [2019-11-26 02:17:50,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285760f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:50, skipping insertion in model container [2019-11-26 02:17:50,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:49" (2/3) ... [2019-11-26 02:17:50,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285760f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:17:50, skipping insertion in model container [2019-11-26 02:17:50,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:50" (3/3) ... [2019-11-26 02:17:50,949 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2019-11-26 02:17:50,961 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:17:50,970 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:17:50,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:17:51,005 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:17:51,005 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:17:51,005 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:17:51,005 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:17:51,006 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:17:51,006 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:17:51,006 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:17:51,006 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:17:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:17:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:17:51,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:17:51,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:17:51,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:17:51,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:17:51,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1287444114, now seen corresponding path program 1 times [2019-11-26 02:17:51,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:17:51,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825631214] [2019-11-26 02:17:51,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:17:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:17:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:17:51,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825631214] [2019-11-26 02:17:51,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:17:51,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:17:51,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796769816] [2019-11-26 02:17:51,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:17:51,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:17:51,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:17:51,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:17:51,469 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-11-26 02:17:51,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:17:51,569 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-26 02:17:51,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:17:51,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-26 02:17:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:17:51,581 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:17:51,581 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:17:51,586 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:17:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:17:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:17:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:17:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:17:51,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-26 02:17:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:17:51,612 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:17:51,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:17:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:17:51,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:17:51,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:17:51,683 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,683 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:17:51,683 INFO L440 ceAbstractionStarter]: At program point L814(lines 814 818) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,684 INFO L440 ceAbstractionStarter]: At program point L882(lines 882 889) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,684 INFO L440 ceAbstractionStarter]: At program point L882-1(lines 882 889) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,684 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:17:51,684 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,684 INFO L440 ceAbstractionStarter]: At program point L193(lines 193 210) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,684 INFO L440 ceAbstractionStarter]: At program point L193-1(lines 1 894) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L440 ceAbstractionStarter]: At program point L193-2(lines 193 210) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L440 ceAbstractionStarter]: At program point L193-3(lines 1 894) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L440 ceAbstractionStarter]: At program point L193-4(lines 193 210) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L440 ceAbstractionStarter]: At program point L193-5(lines 1 894) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L440 ceAbstractionStarter]: At program point L642(lines 593 643) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,685 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 207) no Hoare annotation was computed. [2019-11-26 02:17:51,685 INFO L444 ceAbstractionStarter]: For program point L197-2(lines 197 207) no Hoare annotation was computed. [2019-11-26 02:17:51,685 INFO L444 ceAbstractionStarter]: For program point L197-4(lines 197 207) no Hoare annotation was computed. [2019-11-26 02:17:51,685 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,686 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 204) no Hoare annotation was computed. [2019-11-26 02:17:51,686 INFO L444 ceAbstractionStarter]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2019-11-26 02:17:51,686 INFO L444 ceAbstractionStarter]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2019-11-26 02:17:51,686 INFO L440 ceAbstractionStarter]: At program point L595(lines 594 641) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,686 INFO L440 ceAbstractionStarter]: At program point L810-2(lines 810 824) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:17:51,686 INFO L444 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,686 INFO L444 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,687 INFO L444 ceAbstractionStarter]: For program point L794-2(line 794) no Hoare annotation was computed. [2019-11-26 02:17:51,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:17:51 BoogieIcfgContainer [2019-11-26 02:17:51,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:17:51,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:17:51,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:17:51,699 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:17:51,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:17:50" (3/4) ... [2019-11-26 02:17:51,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:17:51,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2019-11-26 02:17:51,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-26 02:17:51,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:17:51,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:17:51,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:17:51,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:17:51,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:17:51,793 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0c8e2afb-cc00-4448-bba5-b24a5e10f33e/bin/utaipan/witness.graphml [2019-11-26 02:17:51,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:17:51,795 INFO L168 Benchmark]: Toolchain (without parser) took 2894.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.1 MB in the beginning and 978.4 MB in the end (delta: -28.4 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,795 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:51,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.65 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,796 INFO L168 Benchmark]: Boogie Preprocessor took 35.08 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. [2019-11-26 02:17:51,797 INFO L168 Benchmark]: RCFGBuilder took 1335.93 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,797 INFO L168 Benchmark]: TraceAbstraction took 754.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,798 INFO L168 Benchmark]: Witness Printer took 94.04 ms. Allocated memory is still 1.2 GB. Free memory was 985.4 MB in the beginning and 978.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:51,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.65 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.08 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 1335.93 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 754.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * Witness Printer took 94.04 ms. Allocated memory is still 1.2 GB. Free memory was 985.4 MB in the beginning and 978.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 794]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 794]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 794]: 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: 814]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 28 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 37 HoareAnnotationTreeSize, 13 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...