./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.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_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/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 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 ...................................................................................................................................................................................................................................................................................................................... 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 02:04:09,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:04:09,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:04:09,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:04:09,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:04:09,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:04:09,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:04:09,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:04:09,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:04:09,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:04:09,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:04:09,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:04:09,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:04:09,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:04:09,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:04:09,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:04:09,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:04:09,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:04:09,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:04:09,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:04:09,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:04:09,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:04:09,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:04:09,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:04:09,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:04:09,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:04:09,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:04:09,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:04:09,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:04:09,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:04:09,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:04:09,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:04:09,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:04:09,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:04:09,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:04:09,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:04:09,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:04:09,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:04:09,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:04:09,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:04:09,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:04:09,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:04:09,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:04:09,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:04:09,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:04:09,679 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:04:09,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:04:09,679 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:04:09,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:04:09,680 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:04:09,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:04:09,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:04:09,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:04:09,680 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:04:09,681 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:04:09,681 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:04:09,681 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:04:09,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:04:09,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:04:09,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:04:09,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:04:09,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:04:09,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:04:09,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:04:09,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:04:09,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:04:09,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:04:09,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:04:09,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:04:09,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:04:09,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:04:09,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:04:09,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:04:09,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:04:09,686 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_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/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 -> 41585ee22e5b9d0bbbd49fc44fb82de5616beee1 [2019-11-26 02:04:09,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:04:09,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:04:09,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:04:09,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:04:09,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:04:09,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2019-11-26 02:04:09,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/data/4451fdb08/08d12ca9d8344be4a31440119e271c76/FLAGb9c05ff85 [2019-11-26 02:04:10,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:04:10,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2019-11-26 02:04:10,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/data/4451fdb08/08d12ca9d8344be4a31440119e271c76/FLAGb9c05ff85 [2019-11-26 02:04:10,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/data/4451fdb08/08d12ca9d8344be4a31440119e271c76 [2019-11-26 02:04:10,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:04:10,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:04:10,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:10,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:04:10,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:04:10,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356369f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10, skipping insertion in model container [2019-11-26 02:04:10,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:04:10,420 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:04:10,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:10,773 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:04:10,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:04:10,864 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:04:10,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10 WrapperNode [2019-11-26 02:04:10,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:10,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:10,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:04:10,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:04:10,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:04:10,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:04:10,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:04:10,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:04:10,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... [2019-11-26 02:04:10,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:04:10,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:04:10,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:04:10,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:04:10,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/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 02:04:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:04:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:04:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:04:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:04:12,407 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:04:12,407 INFO L284 CfgBuilder]: Removed 112 assume(true) statements. [2019-11-26 02:04:12,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:12 BoogieIcfgContainer [2019-11-26 02:04:12,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:04:12,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:04:12,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:04:12,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:04:12,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:04:10" (1/3) ... [2019-11-26 02:04:12,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e04652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:04:12, skipping insertion in model container [2019-11-26 02:04:12,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:10" (2/3) ... [2019-11-26 02:04:12,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e04652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:04:12, skipping insertion in model container [2019-11-26 02:04:12,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:12" (3/3) ... [2019-11-26 02:04:12,415 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2019-11-26 02:04:12,426 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:04:12,432 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:04:12,442 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:04:12,472 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:04:12,472 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:04:12,472 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:04:12,473 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:04:12,473 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:04:12,473 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:04:12,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:04:12,473 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:04:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:04:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:04:12,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:04:12,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:04:12,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:04:12,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:04:12,504 INFO L82 PathProgramCache]: Analyzing trace with hash 592654227, now seen corresponding path program 1 times [2019-11-26 02:04:12,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:04:12,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745248000] [2019-11-26 02:04:12,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:04:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:04:12,952 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 02:04:12,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745248000] [2019-11-26 02:04:12,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:04:12,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:04:12,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855394178] [2019-11-26 02:04:12,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:04:12,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:04:12,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:04:12,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:04:12,975 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2019-11-26 02:04:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:04:13,098 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2019-11-26 02:04:13,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:04:13,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-26 02:04:13,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:04:13,107 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:04:13,107 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:04:13,113 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:04:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:04:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:04:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:04:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:04:13,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-26 02:04:13,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:04:13,146 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:04:13,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:04:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:04:13,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:04:13,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:04:13,277 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,277 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:04:13,278 INFO L440 ceAbstractionStarter]: At program point L70(lines 70 87) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,278 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 1 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,278 INFO L440 ceAbstractionStarter]: At program point L70-2(lines 70 87) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,278 INFO L440 ceAbstractionStarter]: At program point L70-3(lines 1 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,278 INFO L440 ceAbstractionStarter]: At program point L70-4(lines 70 87) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,279 INFO L440 ceAbstractionStarter]: At program point L70-5(lines 1 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,279 INFO L440 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,279 INFO L444 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,279 INFO L444 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,279 INFO L444 ceAbstractionStarter]: For program point L916-2(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,279 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-26 02:04:13,280 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-11-26 02:04:13,280 INFO L444 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-11-26 02:04:13,280 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:04:13,280 INFO L440 ceAbstractionStarter]: At program point L108(lines 108 112) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,280 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-26 02:04:13,280 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-11-26 02:04:13,281 INFO L444 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-11-26 02:04:13,282 INFO L440 ceAbstractionStarter]: At program point L868(lines 819 869) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,282 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,283 INFO L440 ceAbstractionStarter]: At program point L821(lines 820 867) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,283 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2019-11-26 02:04:13,283 INFO L440 ceAbstractionStarter]: At program point L183(lines 183 190) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,283 INFO L440 ceAbstractionStarter]: At program point L183-1(lines 183 190) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:04:13,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:04:13 BoogieIcfgContainer [2019-11-26 02:04:13,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:04:13,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:04:13,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:04:13,302 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:04:13,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:04:12" (3/4) ... [2019-11-26 02:04:13,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:04:13,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2019-11-26 02:04:13,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-26 02:04:13,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:04:13,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:04:13,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:04:13,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:04:13,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:04:13,431 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31745be9-63fa-4f2a-a288-fbcf2bd2f5b7/bin/utaipan/witness.graphml [2019-11-26 02:04:13,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:04:13,434 INFO L168 Benchmark]: Toolchain (without parser) took 3070.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.7 MB in the beginning and 925.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 152.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,434 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:13,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.97 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: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,436 INFO L168 Benchmark]: Boogie Preprocessor took 65.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,436 INFO L168 Benchmark]: RCFGBuilder took 1415.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.4 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,437 INFO L168 Benchmark]: TraceAbstraction took 891.23 ms. Allocated memory is still 1.2 GB. Free memory was 987.4 MB in the beginning and 934.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,440 INFO L168 Benchmark]: Witness Printer took 130.77 ms. Allocated memory is still 1.2 GB. Free memory was 934.9 MB in the beginning and 925.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:13,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 500.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.97 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: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1415.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.4 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 891.23 ms. Allocated memory is still 1.2 GB. Free memory was 987.4 MB in the beginning and 934.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * Witness Printer took 130.77 ms. Allocated memory is still 1.2 GB. Free memory was 934.9 MB in the beginning and 925.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 916]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 916]: 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: 819]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 20 SDtfs, 44 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 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, 85 HoareAnnotationTreeSize, 13 FomulaSimplifications, 112 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, 231 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...