./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/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 97e1e79d9f040fa1d57b96c793652004756593a5 ................................................................................................................................................................................................................................................................................................................... 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 02:39:41,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:39:41,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:39:41,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:39:41,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:39:41,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:39:41,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:39:41,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:39:41,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:39:41,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:39:41,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:39:41,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:39:41,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:39:41,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:39:41,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:39:41,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:39:41,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:39:41,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:39:41,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:39:41,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:39:41,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:39:41,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:39:41,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:39:41,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:39:41,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:39:41,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:39:41,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:39:41,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:39:41,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:39:41,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:39:41,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:39:41,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:39:41,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:39:41,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:39:41,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:39:41,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:39:41,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:39:41,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:39:41,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:39:41,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:39:41,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:39:41,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:39:41,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:39:41,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:39:41,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:39:41,263 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:39:41,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:39:41,263 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:39:41,264 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:39:41,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:39:41,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:39:41,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:39:41,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:39:41,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:39:41,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:39:41,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:39:41,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:39:41,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:39:41,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:39:41,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:39:41,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:39:41,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:39:41,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:39:41,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:39:41,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:39:41,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:39:41,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:39:41,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:39:41,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:39:41,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:39:41,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:39:41,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:39:41,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:39:41,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:39:41,270 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_4601a91d-f24f-40ab-ace9-f2b7e65f4597/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2019-11-26 02:39:41,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:39:41,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:39:41,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:39:41,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:39:41,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:39:41,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-11-26 02:39:41,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/data/6a6b4434f/1e73537946fd4887a4ae9e21d13ebe1b/FLAGf90ff617c [2019-11-26 02:39:41,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:39:41,893 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-11-26 02:39:41,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/data/6a6b4434f/1e73537946fd4887a4ae9e21d13ebe1b/FLAGf90ff617c [2019-11-26 02:39:41,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/data/6a6b4434f/1e73537946fd4887a4ae9e21d13ebe1b [2019-11-26 02:39:41,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:39:41,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:39:41,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:41,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:39:41,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:39:41,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41, skipping insertion in model container [2019-11-26 02:39:41,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:39:41,978 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:39:42,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:42,285 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:39:42,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:42,417 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:39:42,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42 WrapperNode [2019-11-26 02:39:42,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:42,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:42,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:39:42,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:39:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:42,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:39:42,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:39:42,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:39:42,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... [2019-11-26 02:39:42,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:39:42,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:39:42,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:39:42,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:39:42,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/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 02:39:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:39:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:39:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:39:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:39:43,836 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:39:43,836 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-26 02:39:43,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43 BoogieIcfgContainer [2019-11-26 02:39:43,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:39:43,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:39:43,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:39:43,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:39:43,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:39:41" (1/3) ... [2019-11-26 02:39:43,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663e5c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:43, skipping insertion in model container [2019-11-26 02:39:43,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:42" (2/3) ... [2019-11-26 02:39:43,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663e5c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:43, skipping insertion in model container [2019-11-26 02:39:43,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43" (3/3) ... [2019-11-26 02:39:43,844 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2019-11-26 02:39:43,854 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:39:43,860 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:39:43,870 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:39:43,899 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:39:43,900 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:39:43,900 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:39:43,900 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:39:43,900 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:39:43,901 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:39:43,901 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:39:43,901 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:39:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:39:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:39:43,930 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:43,931 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:43,932 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:43,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:43,937 INFO L82 PathProgramCache]: Analyzing trace with hash -356184613, now seen corresponding path program 1 times [2019-11-26 02:39:43,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:43,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581811248] [2019-11-26 02:39:43,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:44,266 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 02:39:44,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581811248] [2019-11-26 02:39:44,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:44,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:39:44,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681964178] [2019-11-26 02:39:44,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:39:44,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:44,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:39:44,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:39:44,286 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:39:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:44,364 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2019-11-26 02:39:44,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:39:44,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:39:44,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:44,372 INFO L225 Difference]: With dead ends: 47 [2019-11-26 02:39:44,372 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:39:44,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 02:39:44,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:39:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:39:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:39:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:39:44,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 02:39:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:44,402 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:39:44,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:39:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:39:44,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:39:44,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:39:44,483 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,484 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:39:44,484 INFO L440 ceAbstractionStarter]: At program point L136(lines 136 149) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,484 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 1 910) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,484 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 136 149) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,484 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 1 910) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,485 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 136 149) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,485 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 1 910) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,485 INFO L440 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,485 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-11-26 02:39:44,485 INFO L444 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-11-26 02:39:44,485 INFO L444 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-11-26 02:39:44,485 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:39:44,486 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,486 INFO L440 ceAbstractionStarter]: At program point L208(lines 208 212) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,486 INFO L440 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,486 INFO L440 ceAbstractionStarter]: At program point L854(lines 853 902) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,486 INFO L440 ceAbstractionStarter]: At program point L277(lines 277 284) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,487 INFO L440 ceAbstractionStarter]: At program point L277-1(lines 277 284) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:39:44,487 INFO L444 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,487 INFO L444 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,487 INFO L444 ceAbstractionStarter]: For program point L295-2(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,487 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-11-26 02:39:44,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:39:44 BoogieIcfgContainer [2019-11-26 02:39:44,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:39:44,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:39:44,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:39:44,500 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:39:44,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43" (3/4) ... [2019-11-26 02:39:44,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:39:44,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2019-11-26 02:39:44,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-26 02:39:44,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:39:44,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:39:44,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:39:44,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:39:44,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:39:44,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4601a91d-f24f-40ab-ace9-f2b7e65f4597/bin/utaipan/witness.graphml [2019-11-26 02:39:44,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:39:44,620 INFO L168 Benchmark]: Toolchain (without parser) took 2703.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.1 MB in the beginning and 960.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,620 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:44,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,622 INFO L168 Benchmark]: Boogie Preprocessor took 49.91 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. [2019-11-26 02:39:44,623 INFO L168 Benchmark]: RCFGBuilder took 1293.98 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: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,623 INFO L168 Benchmark]: TraceAbstraction took 661.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,624 INFO L168 Benchmark]: Witness Printer took 118.26 ms. Allocated memory is still 1.2 GB. Free memory was 965.9 MB in the beginning and 960.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1293.98 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: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 661.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 118.26 ms. Allocated memory is still 1.2 GB. Free memory was 965.9 MB in the beginning and 960.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 26 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 64 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 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...