./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/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 70b7927a0492d6be5caba90d696a196e2b22ba2a ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:23:36,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:23:36,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:23:36,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:23:36,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:23:36,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:23:36,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:23:36,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:23:36,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:23:36,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:23:36,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:23:36,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:23:36,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:23:36,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:23:36,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:23:36,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:23:36,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:23:36,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:23:36,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:23:36,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:23:36,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:23:36,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:23:36,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:23:36,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:23:36,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:23:36,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:23:36,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:23:36,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:23:36,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:23:36,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:23:36,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:23:36,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:23:36,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:23:36,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:23:36,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:23:36,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:23:36,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:23:36,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:23:36,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:23:36,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:23:36,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:23:36,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2019-12-07 20:23:36,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:23:36,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:23:36,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:23:36,294 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:23:36,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:23:36,295 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:23:36,296 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:23:36,296 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:23:36,296 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:23:36,296 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:23:36,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 20:23:36,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 20:23:36,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:23:36,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:23:36,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:23:36,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:23:36,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:23:36,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:23:36,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:23:36,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:23:36,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:23:36,299 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_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/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 -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2019-12-07 20:23:36,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:23:36,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:23:36,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:23:36,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:23:36,412 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:23:36,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-12-07 20:23:36,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/data/ff7722194/53304bf12f4a40caaf7e9bbd086a762a/FLAG1c19302d8 [2019-12-07 20:23:36,901 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:23:36,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-12-07 20:23:36,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/data/ff7722194/53304bf12f4a40caaf7e9bbd086a762a/FLAG1c19302d8 [2019-12-07 20:23:36,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/data/ff7722194/53304bf12f4a40caaf7e9bbd086a762a [2019-12-07 20:23:36,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:23:36,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:23:36,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:23:36,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:23:36,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:23:36,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:23:36" (1/1) ... [2019-12-07 20:23:36,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593581d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:36, skipping insertion in model container [2019-12-07 20:23:36,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:23:36" (1/1) ... [2019-12-07 20:23:36,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:23:36,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:23:37,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:23:37,036 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:23:37,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:23:37,089 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:23:37,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37 WrapperNode [2019-12-07 20:23:37,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:23:37,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:23:37,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:23:37,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:23:37,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:23:37,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:23:37,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:23:37,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:23:37,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... [2019-12-07 20:23:37,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:23:37,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:23:37,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:23:37,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:23:37,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/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 [2019-12-07 20:23:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:23:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:23:37,285 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:23:37,285 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 20:23:37,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:37 BoogieIcfgContainer [2019-12-07 20:23:37,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:23:37,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:23:37,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:23:37,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:23:37,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:23:36" (1/3) ... [2019-12-07 20:23:37,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c243629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:23:37, skipping insertion in model container [2019-12-07 20:23:37,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:23:37" (2/3) ... [2019-12-07 20:23:37,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c243629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:23:37, skipping insertion in model container [2019-12-07 20:23:37,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:37" (3/3) ... [2019-12-07 20:23:37,292 INFO L109 eAbstractionObserver]: Analyzing ICFG Gothenburg-1.c [2019-12-07 20:23:37,298 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:23:37,302 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 20:23:37,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 20:23:37,321 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:23:37,321 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 20:23:37,321 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:23:37,321 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:23:37,321 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:23:37,321 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:23:37,321 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:23:37,321 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:23:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 20:23:37,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:23:37,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:23:37 BoogieIcfgContainer [2019-12-07 20:23:37,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:23:37,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:23:37,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:23:37,337 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:23:37,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:37" (3/4) ... [2019-12-07 20:23:37,339 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:23:37,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:23:37,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:23:37,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3de5c58e-8747-4652-8bee-5a8b7ac6e38e/bin/utaipan/witness.graphml [2019-12-07 20:23:37,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:23:37,377 INFO L168 Benchmark]: Toolchain (without parser) took 460.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:23:37,377 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:23:37,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:37,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.43 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. [2019-12-07 20:23:37,378 INFO L168 Benchmark]: Boogie Preprocessor took 14.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:37,379 INFO L168 Benchmark]: RCFGBuilder took 158.79 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:37,379 INFO L168 Benchmark]: TraceAbstraction took 49.45 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. [2019-12-07 20:23:37,379 INFO L168 Benchmark]: Witness Printer took 39.00 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. [2019-12-07 20:23:37,382 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 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.79 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 49.45 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 39.00 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. * 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, 10 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=10occurred 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...