./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.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_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/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 2f4238b880349218219a89e1d8f45e6533ff8d7c ................................................................................................................................................................................................................................................................................................................... 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 02:27:13,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:27:13,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:27:13,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:27:13,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:27:13,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:27:13,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:27:13,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:27:13,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:27:13,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:27:13,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:27:13,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:27:13,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:27:13,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:27:13,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:27:13,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:27:13,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:27:13,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:27:13,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:27:13,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:27:13,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:27:13,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:27:13,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:27:13,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:27:13,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:27:13,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:27:13,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:27:13,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:27:13,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:27:13,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:27:13,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:27:13,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:27:13,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:27:13,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:27:13,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:27:13,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:27:13,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:27:13,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:27:13,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:27:13,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:27:13,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:27:13,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:27:13,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:27:13,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:27:13,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:27:13,983 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:27:13,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:27:13,984 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:27:13,984 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:27:13,984 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:27:13,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:27:13,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:27:13,985 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:27:13,985 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:27:13,985 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:27:13,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:27:13,986 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:27:13,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:27:13,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:27:13,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:27:13,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:27:13,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:27:13,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:27:13,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:27:13,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:27:13,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:27:13,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:27:13,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:27:13,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:27:13,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:27:13,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:27:13,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:27:13,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:27:13,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:27:13,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:27:13,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:27:13,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:27:13,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:27:13,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:27:13,992 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_d78c0421-33a1-4808-8c14-33bd5bb91f22/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 -> 2f4238b880349218219a89e1d8f45e6533ff8d7c [2019-11-26 02:27:14,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:27:14,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:27:14,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:27:14,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:27:14,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:27:14,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2019-11-26 02:27:14,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/data/898ef2d28/ea3c2324a38a487ea0951aa5959a8596/FLAG847cdb286 [2019-11-26 02:27:14,687 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:27:14,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2019-11-26 02:27:14,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/data/898ef2d28/ea3c2324a38a487ea0951aa5959a8596/FLAG847cdb286 [2019-11-26 02:27:14,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/data/898ef2d28/ea3c2324a38a487ea0951aa5959a8596 [2019-11-26 02:27:14,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:27:14,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:27:14,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:27:14,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:27:14,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:27:14,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:27:14" (1/1) ... [2019-11-26 02:27:14,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1634f5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:14, skipping insertion in model container [2019-11-26 02:27:14,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:27:14" (1/1) ... [2019-11-26 02:27:15,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:27:15,047 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:27:15,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:27:15,399 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:27:15,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:27:15,530 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:27:15,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15 WrapperNode [2019-11-26 02:27:15,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:27:15,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:27:15,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:27:15,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:27:15,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:27:15,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:27:15,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:27:15,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:27:15,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... [2019-11-26 02:27:15,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:27:15,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:27:15,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:27:15,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:27:15,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/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 02:27:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:27:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:27:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:27:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:27:16,980 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:27:16,981 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-26 02:27:16,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:16 BoogieIcfgContainer [2019-11-26 02:27:16,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:27:16,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:27:16,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:27:16,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:27:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:27:14" (1/3) ... [2019-11-26 02:27:16,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f764234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:27:16, skipping insertion in model container [2019-11-26 02:27:16,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:15" (2/3) ... [2019-11-26 02:27:16,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f764234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:27:16, skipping insertion in model container [2019-11-26 02:27:16,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:16" (3/3) ... [2019-11-26 02:27:17,002 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-11-26 02:27:17,010 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:27:17,017 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:27:17,027 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:27:17,049 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:27:17,049 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:27:17,049 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:27:17,049 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:27:17,050 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:27:17,050 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:27:17,050 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:27:17,050 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:27:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:27:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:27:17,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:27:17,067 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:27:17,068 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:27:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:27:17,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2076648753, now seen corresponding path program 1 times [2019-11-26 02:27:17,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:27:17,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689474335] [2019-11-26 02:27:17,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:27:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:27:17,354 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 02:27:17,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689474335] [2019-11-26 02:27:17,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:27:17,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:27:17,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776916933] [2019-11-26 02:27:17,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:27:17,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:27:17,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:27:17,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:27:17,375 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:27:17,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:27:17,470 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2019-11-26 02:27:17,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:27:17,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:27:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:27:17,479 INFO L225 Difference]: With dead ends: 47 [2019-11-26 02:27:17,480 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:27:17,484 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 02:27:17,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:27:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:27:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:27:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:27:17,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 02:27:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:27:17,509 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:27:17,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:27:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:27:17,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:27:17,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:27:17,560 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,561 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:27:17,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:27:17,561 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,561 INFO L440 ceAbstractionStarter]: At program point L406(lines 406 419) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,561 INFO L440 ceAbstractionStarter]: At program point L406-1(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,561 INFO L440 ceAbstractionStarter]: At program point L406-2(lines 406 419) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,562 INFO L440 ceAbstractionStarter]: At program point L406-3(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,562 INFO L440 ceAbstractionStarter]: At program point L406-4(lines 406 419) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,562 INFO L440 ceAbstractionStarter]: At program point L406-5(lines 1 922) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,562 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,562 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,562 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,562 INFO L440 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,563 INFO L440 ceAbstractionStarter]: At program point L839-2(lines 839 853) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,563 INFO L444 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-11-26 02:27:17,563 INFO L444 ceAbstractionStarter]: For program point L410-2(lines 410 416) no Hoare annotation was computed. [2019-11-26 02:27:17,563 INFO L444 ceAbstractionStarter]: For program point L410-4(lines 410 416) no Hoare annotation was computed. [2019-11-26 02:27:17,563 INFO L440 ceAbstractionStarter]: At program point L65(lines 64 111) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:27:17,564 INFO L440 ceAbstractionStarter]: At program point L843(lines 843 847) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,564 INFO L440 ceAbstractionStarter]: At program point L910(lines 910 917) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,564 INFO L440 ceAbstractionStarter]: At program point L910-1(lines 910 917) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:27:17,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:27:17 BoogieIcfgContainer [2019-11-26 02:27:17,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:27:17,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:27:17,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:27:17,577 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:27:17,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:27:16" (3/4) ... [2019-11-26 02:27:17,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:27:17,612 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-26 02:27:17,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-26 02:27:17,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:27:17,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:27:17,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:27:17,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:27:17,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:27:17,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d78c0421-33a1-4808-8c14-33bd5bb91f22/bin/utaipan/witness.graphml [2019-11-26 02:27:17,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:27:17,752 INFO L168 Benchmark]: Toolchain (without parser) took 2759.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -59.1 MB). Peak memory consumption was 142.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,753 INFO L168 Benchmark]: CDTParser took 0.15 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 02:27:17,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,754 INFO L168 Benchmark]: Boogie Preprocessor took 35.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:27:17,755 INFO L168 Benchmark]: RCFGBuilder took 1343.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,755 INFO L168 Benchmark]: TraceAbstraction took 587.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,756 INFO L168 Benchmark]: Witness Printer took 173.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:17,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1343.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 587.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 173.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 910]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 839]: 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, 0.0s 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...