./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo.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_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/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 4ee0473dc6d7092e83742edafdde9370f3b93e25 ............................................................................................................................................................................................................. 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 02:41:21,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:21,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:21,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:21,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:21,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:21,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:21,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:21,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:21,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:21,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:21,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:21,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:21,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:21,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:21,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:21,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:21,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:21,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:21,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:21,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:21,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:21,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:21,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:21,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:21,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:21,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:21,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:21,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:21,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:21,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:21,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:21,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:21,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:21,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:21,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:21,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:21,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:21,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:21,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:21,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:21,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:41:21,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:21,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:21,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:21,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:21,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:21,905 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:21,905 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:21,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:21,905 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:21,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:41:21,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:41:21,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:41:21,907 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:41:21,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:21,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:41:21,908 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:41:21,908 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:41:21,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:41:21,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:21,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:41:21,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:21,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:21,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:21,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:21,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:21,910 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:41:21,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:41:21,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:21,910 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_a193fee3-b184-401c-945d-0012e0b6b8f7/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 -> 4ee0473dc6d7092e83742edafdde9370f3b93e25 [2019-11-26 02:41:22,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:22,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:22,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:22,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:22,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:22,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/../../sv-benchmarks/c/termination-crafted/Cairo.c [2019-11-26 02:41:22,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/data/de619bb5d/31af084ee8814d4a93090dbb5e1036a6/FLAGb355efcc6 [2019-11-26 02:41:22,516 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:22,517 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/sv-benchmarks/c/termination-crafted/Cairo.c [2019-11-26 02:41:22,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/data/de619bb5d/31af084ee8814d4a93090dbb5e1036a6/FLAGb355efcc6 [2019-11-26 02:41:22,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/data/de619bb5d/31af084ee8814d4a93090dbb5e1036a6 [2019-11-26 02:41:22,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:22,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:22,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:22,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:22,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:22,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9eeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22, skipping insertion in model container [2019-11-26 02:41:22,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:22,918 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:23,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:23,086 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:23,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:23,201 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23 WrapperNode [2019-11-26 02:41:23,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:23,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:23,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:23,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:23,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:23,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:23,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:23,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:23,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... [2019-11-26 02:41:23,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:23,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:23,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:23,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:23,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/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 02:41:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:23,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:23,474 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:41:23,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:23 BoogieIcfgContainer [2019-11-26 02:41:23,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:23,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:41:23,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:41:23,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:41:23,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:41:22" (1/3) ... [2019-11-26 02:41:23,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f47543a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:23, skipping insertion in model container [2019-11-26 02:41:23,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:23" (2/3) ... [2019-11-26 02:41:23,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f47543a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:23, skipping insertion in model container [2019-11-26 02:41:23,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:23" (3/3) ... [2019-11-26 02:41:23,482 INFO L109 eAbstractionObserver]: Analyzing ICFG Cairo.c [2019-11-26 02:41:23,489 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:41:23,494 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:41:23,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:41:23,529 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:41:23,530 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:41:23,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:41:23,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:41:23,532 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:41:23,532 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:41:23,532 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:41:23,532 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:41:23,548 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-26 02:41:23,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:41:23,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:41:23 BoogieIcfgContainer [2019-11-26 02:41:23,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:41:23,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:23,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:23,559 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:23,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:23" (3/4) ... [2019-11-26 02:41:23,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:41:23,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:41:23,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:41:23,612 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a193fee3-b184-401c-945d-0012e0b6b8f7/bin/utaipan/witness.graphml [2019-11-26 02:41:23,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:23,614 INFO L168 Benchmark]: Toolchain (without parser) took 735.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:23,620 INFO L168 Benchmark]: CDTParser took 0.18 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 02:41:23,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:23,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.28 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 02:41:23,622 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 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 02:41:23,623 INFO L168 Benchmark]: RCFGBuilder took 212.84 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:23,624 INFO L168 Benchmark]: TraceAbstraction took 82.24 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 02:41:23,624 INFO L168 Benchmark]: Witness Printer took 53.56 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 02:41:23,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 324.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.28 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 26.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 212.84 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 82.24 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. * Witness Printer took 53.56 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, 7 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=7occurred 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...