./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 208a8efcd2fd6b8ea52a20177afd9722587411ce ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:08:42,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:08:42,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:08:42,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:08:42,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:08:42,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:08:42,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:08:42,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:08:42,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:08:42,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:08:42,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:08:42,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:08:42,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:08:42,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:08:42,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:08:42,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:08:42,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:08:42,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:08:42,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:08:42,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:08:42,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:08:42,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:08:42,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:08:42,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:08:42,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:08:42,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:08:42,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:08:42,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:08:42,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:08:42,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:08:42,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:08:42,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:08:42,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:08:42,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:08:42,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:08:42,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:08:42,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:08:42,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:08:42,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:08:42,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:08:42,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:08:42,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:08:42,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:08:42,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:08:42,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:08:42,345 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:08:42,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:08:42,345 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:08:42,345 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:08:42,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:08:42,346 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:08:42,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:08:42,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:08:42,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:08:42,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:08:42,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:08:42,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:08:42,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:08:42,348 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:08:42,348 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:08:42,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:08:42,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:08:42,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:08:42,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:08:42,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:08:42,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:08:42,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:08:42,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:08:42,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:08:42,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:08:42,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:08:42,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:08:42,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:08:42,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:08:42,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:08:42,360 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 208a8efcd2fd6b8ea52a20177afd9722587411ce [2019-11-26 02:08:42,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:08:42,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:08:42,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:08:42,508 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:08:42,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:08:42,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 02:08:42,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/data/e27f053cf/0e4ed2c0d610407892ac4591d24adabf/FLAGeb191b0d2 [2019-11-26 02:08:42,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:08:42,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 02:08:42,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/data/e27f053cf/0e4ed2c0d610407892ac4591d24adabf/FLAGeb191b0d2 [2019-11-26 02:08:42,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/data/e27f053cf/0e4ed2c0d610407892ac4591d24adabf [2019-11-26 02:08:42,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:08:42,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:08:42,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:08:42,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:08:42,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:08:42,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:08:42" (1/1) ... [2019-11-26 02:08:42,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d3cda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:42, skipping insertion in model container [2019-11-26 02:08:42,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:08:42" (1/1) ... [2019-11-26 02:08:43,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:08:43,017 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:08:43,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:08:43,188 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:08:43,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:08:43,273 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:08:43,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43 WrapperNode [2019-11-26 02:08:43,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:08:43,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:08:43,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:08:43,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:08:43,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:08:43,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:08:43,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:08:43,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:08:43,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... [2019-11-26 02:08:43,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:08:43,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:08:43,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:08:43,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:08:43,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/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 02:08:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:08:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:08:43,526 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:08:43,527 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:08:43,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:43 BoogieIcfgContainer [2019-11-26 02:08:43,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:08:43,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:08:43,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:08:43,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:08:43,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:08:42" (1/3) ... [2019-11-26 02:08:43,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f6b60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:08:43, skipping insertion in model container [2019-11-26 02:08:43,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:43" (2/3) ... [2019-11-26 02:08:43,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f6b60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:08:43, skipping insertion in model container [2019-11-26 02:08:43,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:43" (3/3) ... [2019-11-26 02:08:43,534 INFO L109 eAbstractionObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2019-11-26 02:08:43,543 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:08:43,548 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:08:43,559 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:08:43,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:08:43,577 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:08:43,577 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:08:43,577 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:08:43,577 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:08:43,578 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:08:43,578 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:08:43,578 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:08:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-26 02:08:43,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:08:43,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:08:43 BoogieIcfgContainer [2019-11-26 02:08:43,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:08:43,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:08:43,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:08:43,600 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:08:43,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:43" (3/4) ... [2019-11-26 02:08:43,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:08:43,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:08:43,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:08:43,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_201dd3eb-f63d-43bd-948f-a89d8b1af2d1/bin/utaipan/witness.graphml [2019-11-26 02:08:43,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:08:43,664 INFO L168 Benchmark]: Toolchain (without parser) took 680.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:43,665 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 02:08:43,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:43,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:43,668 INFO L168 Benchmark]: Boogie Preprocessor took 15.91 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:43,669 INFO L168 Benchmark]: RCFGBuilder took 206.11 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:43,670 INFO L168 Benchmark]: TraceAbstraction took 70.84 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 02:08:43,670 INFO L168 Benchmark]: Witness Printer took 62.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:43,675 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 290.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.91 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.11 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70.84 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. * Witness Printer took 62.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...