./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47d7ccf8deb91ae94013b03a9b15fced1c228b31 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:18:37,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:18:37,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:18:37,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:18:37,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:18:37,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:18:37,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:18:37,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:18:37,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:18:37,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:18:37,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:18:37,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:18:37,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:18:37,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:18:37,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:18:37,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:18:37,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:18:37,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:18:37,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:18:37,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:18:37,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:18:37,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:18:37,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:18:37,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:18:37,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:18:37,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:18:37,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:18:37,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:18:37,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:18:37,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:18:37,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:18:37,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:18:37,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:18:37,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:18:37,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:18:37,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:18:37,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:18:37,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:18:37,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:18:37,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:18:37,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:18:37,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-09 08:18:37,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:18:37,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:18:37,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:18:37,368 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:18:37,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:18:37,368 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:18:37,368 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:18:37,368 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:18:37,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:18:37,369 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:18:37,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:18:37,369 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:18:37,369 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:18:37,369 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:18:37,369 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:18:37,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:18:37,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:18:37,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:18:37,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:18:37,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:18:37,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:18:37,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:18:37,373 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7ccf8deb91ae94013b03a9b15fced1c228b31 [2020-12-09 08:18:37,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:18:37,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:18:37,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:18:37,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:18:37,585 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:18:37,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2020-12-09 08:18:37,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/data/1f6a406fb/9fc2e91613a843c0ad92be678ae05c10/FLAGb1c871344 [2020-12-09 08:18:38,094 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:18:38,094 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2020-12-09 08:18:38,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/data/1f6a406fb/9fc2e91613a843c0ad92be678ae05c10/FLAGb1c871344 [2020-12-09 08:18:38,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/data/1f6a406fb/9fc2e91613a843c0ad92be678ae05c10 [2020-12-09 08:18:38,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:18:38,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:18:38,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:18:38,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:18:38,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:18:38,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1a4a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38, skipping insertion in model container [2020-12-09 08:18:38,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:18:38,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:18:38,464 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2020-12-09 08:18:38,472 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2020-12-09 08:18:38,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2020-12-09 08:18:38,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2020-12-09 08:18:38,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:18:38,552 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:18:38,578 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2020-12-09 08:18:38,580 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2020-12-09 08:18:38,617 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2020-12-09 08:18:38,617 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2020-12-09 08:18:38,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:18:38,716 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:18:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38 WrapperNode [2020-12-09 08:18:38,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:18:38,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:18:38,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:18:38,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:18:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:18:38,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:18:38,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:18:38,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:18:38,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... [2020-12-09 08:18:38,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:18:38,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:18:38,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:18:38,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:18:38,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/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 [2020-12-09 08:18:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 08:18:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 08:18:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:18:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:18:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:18:41,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:18:41,698 INFO L299 CfgBuilder]: Removed 111 assume(true) statements. [2020-12-09 08:18:41,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:41 BoogieIcfgContainer [2020-12-09 08:18:41,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:18:41,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:18:41,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:18:41,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:18:41,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:18:38" (1/3) ... [2020-12-09 08:18:41,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12e19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:18:41, skipping insertion in model container [2020-12-09 08:18:41,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:38" (2/3) ... [2020-12-09 08:18:41,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a12e19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:18:41, skipping insertion in model container [2020-12-09 08:18:41,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:41" (3/3) ... [2020-12-09 08:18:41,706 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-1.i [2020-12-09 08:18:41,715 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:18:41,718 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-12-09 08:18:41,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-12-09 08:18:41,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:18:41,745 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:18:41,745 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:18:41,745 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:18:41,745 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:18:41,745 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:18:41,746 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:18:41,746 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:18:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-12-09 08:18:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 08:18:41,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:18:41,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 08:18:41,763 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 08:18:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:18:41,768 INFO L82 PathProgramCache]: Analyzing trace with hash 29530094, now seen corresponding path program 1 times [2020-12-09 08:18:41,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:18:41,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877809354] [2020-12-09 08:18:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:18:41,872 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 08:18:41,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934111651] [2020-12-09 08:18:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63569f59-648e-4768-a70c-5223efc7e0ba/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:18:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:18:42,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 08:18:42,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:18:42,152 INFO L348 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2020-12-09 08:18:42,152 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 49 [2020-12-09 08:18:42,157 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 08:18:42,190 INFO L625 ElimStorePlain]: treesize reduction 10, result has 85.3 percent of original size [2020-12-09 08:18:42,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877809354] [2020-12-09 08:18:42,197 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 08:18:42,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934111651] [2020-12-09 08:18:42,197 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: need array sort [2020-12-09 08:18:42,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [548022445] [2020-12-09 08:18:42,219 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2020-12-09 08:18:42,220 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 08:18:42,223 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 08:18:42,227 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 08:18:42,228 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 08:18:42,265 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@7b12a0f8 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.assertLhs(IncrementalPlicationChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexEqualityManager.(ArrayIndexEqualityManager.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:568) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:441) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:239) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:153) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 08:18:42,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:18:42,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-09 08:18:42,267 ERROR L205 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2020-12-09 08:18:42,267 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 08:18:42,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-09 08:18:42,476 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-12-09 08:18:42,476 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-12-09 08:18:42,485 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-09 08:18:42,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:18:42 BoogieIcfgContainer [2020-12-09 08:18:42,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:18:42,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:18:42,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:18:42,486 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:18:42,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:41" (3/4) ... [2020-12-09 08:18:42,489 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 08:18:42,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:18:42,491 INFO L168 Benchmark]: Toolchain (without parser) took 4369.07 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 71.1 MB in the beginning and 81.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,491 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:18:42,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.96 ms. Allocated memory is still 96.5 MB. Free memory was 71.1 MB in the beginning and 66.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.14 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 59.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,493 INFO L168 Benchmark]: Boogie Preprocessor took 96.55 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 51.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,494 INFO L168 Benchmark]: RCFGBuilder took 2788.17 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 51.2 MB in the beginning and 77.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,494 INFO L168 Benchmark]: TraceAbstraction took 784.10 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 77.6 MB in the beginning and 81.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:18:42,495 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 172.0 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:18:42,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.96 ms. Allocated memory is still 96.5 MB. Free memory was 71.1 MB in the beginning and 66.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.14 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 59.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.55 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 51.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2788.17 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 51.2 MB in the beginning and 77.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 784.10 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 77.6 MB in the beginning and 81.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.45 ms. Allocated memory is still 172.0 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 995]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L947] static size_t alt_malloc_sizes[10]; [L948] static int alt_malloc_balance = 0; [L965] static int alt_memcmp_count = 0; [L971] static int alt_bzero_count = 0; [L987] int i; [L988] example_user_t *user, *tmp, *users=((void *)0); [L989] i=0 [L989] EXPR \read(i) [L989] COND TRUE i<10 [L979] return malloc(n); [L990] user = (example_user_t*)real_malloc(sizeof(example_user_t)) [L991] COND FALSE !(user == ((void *)0)) [L994] EXPR \read(i) [L994] user->id = i [L995] EXPR \read(i) [L995] EXPR \read(i) [L995] i*i - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 154 locations, 28 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred 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: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...