./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/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 32bit --witnessprinter.graph.data.programhash 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/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 32bit --witnessprinter.graph.data.programhash 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:48:11,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:48:11,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:48:11,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:48:11,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:48:11,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:48:11,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:48:11,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:48:11,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:48:11,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:48:11,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:48:11,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:48:11,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:48:11,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:48:11,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:48:11,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:48:11,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:48:11,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:48:11,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:48:11,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:48:11,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:48:11,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:48:11,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:48:11,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:48:11,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:48:11,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:48:11,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:48:11,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:48:11,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:48:11,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:48:11,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:48:11,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:48:11,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:48:11,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:48:11,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:48:11,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:48:11,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:48:11,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:48:11,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:48:11,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:48:11,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:48:11,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-22 12:48:11,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:48:11,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:48:11,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:48:11,583 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:48:11,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:48:11,584 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:48:11,584 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:48:11,584 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:48:11,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:48:11,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:48:11,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:48:11,586 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:48:11,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:48:11,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:48:11,587 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:48:11,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:48:11,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:48:11,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:48:11,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:48:11,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:48:11,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:48:11,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:48:11,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:48:11,589 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:48:11,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:48:11,589 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 12:48:11,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:48:11,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:48:11,590 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:48:11,590 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:48:11,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:48:11,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:48:11,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:48:11,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:48:11,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:48:11,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:48:11,592 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:48:11,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:48:11,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:48:11,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:48:11,593 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_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 [2020-11-22 12:48:11,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:48:11,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:48:11,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:48:11,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:48:11,923 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:48:11,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2020-11-22 12:48:12,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/cf08882fb/d79f0dd804e446938bdf00d12ef6070c/FLAG81aebaa8c [2020-11-22 12:48:12,645 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:48:12,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2020-11-22 12:48:12,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/cf08882fb/d79f0dd804e446938bdf00d12ef6070c/FLAG81aebaa8c [2020-11-22 12:48:12,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/cf08882fb/d79f0dd804e446938bdf00d12ef6070c [2020-11-22 12:48:12,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:48:12,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:48:12,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:12,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:48:12,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:48:12,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:12" (1/1) ... [2020-11-22 12:48:12,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685f5f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:12, skipping insertion in model container [2020-11-22 12:48:12,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:12" (1/1) ... [2020-11-22 12:48:12,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:48:12,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:48:13,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:48:13,444 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:48:13,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372b2b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:13, skipping insertion in model container [2020-11-22 12:48:13,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:13,446 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:48:13,449 INFO L168 Benchmark]: Toolchain (without parser) took 564.84 ms. Allocated memory is still 86.0 MB. Free memory was 51.4 MB in the beginning and 59.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:13,450 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:13,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.70 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 59.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:13,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 557.70 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 59.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:48:15,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:48:15,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:48:15,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:48:15,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:48:15,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:48:15,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:48:15,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:48:15,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:48:15,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:48:15,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:48:15,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:48:15,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:48:15,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:48:15,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:48:15,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:48:15,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:48:15,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:48:15,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:48:15,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:48:15,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:48:15,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:48:15,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:48:15,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:48:15,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:48:15,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:48:15,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:48:15,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:48:15,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:48:15,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:48:15,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:48:15,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:48:15,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:48:15,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:48:15,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:48:15,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:48:15,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:48:15,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:48:15,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:48:15,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:48:15,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:48:15,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-22 12:48:15,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:48:15,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:48:15,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:48:15,870 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:48:15,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:48:15,870 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:48:15,870 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:48:15,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:48:15,871 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:48:15,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:48:15,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:48:15,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:48:15,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:48:15,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:48:15,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:48:15,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:48:15,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:48:15,874 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:48:15,874 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:48:15,874 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 12:48:15,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:48:15,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:48:15,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:48:15,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:48:15,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:48:15,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:48:15,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:48:15,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:48:15,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:48:15,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:48:15,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:48:15,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:48:15,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:48:15,877 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:48:15,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:48:15,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:48:15,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:48:15,878 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bd5e93dcf715333dddf3f36b36a6c18a55c2f8 [2020-11-22 12:48:16,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:48:16,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:48:16,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:48:16,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:48:16,311 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:48:16,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2020-11-22 12:48:16,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/eae90cbb6/b34d012c44474f63a7b7cb2294b746d0/FLAG401794b10 [2020-11-22 12:48:17,153 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:48:17,154 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2020-11-22 12:48:17,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/eae90cbb6/b34d012c44474f63a7b7cb2294b746d0/FLAG401794b10 [2020-11-22 12:48:17,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/data/eae90cbb6/b34d012c44474f63a7b7cb2294b746d0 [2020-11-22 12:48:17,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:48:17,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:48:17,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:48:17,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:48:17,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:17" (1/1) ... [2020-11-22 12:48:17,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b976b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:17, skipping insertion in model container [2020-11-22 12:48:17,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:17" (1/1) ... [2020-11-22 12:48:17,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:48:17,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:48:17,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:48:17,953 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:48:17,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:48:18,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:48:18,030 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:48:18,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:48:18,236 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:48:18,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18 WrapperNode [2020-11-22 12:48:18,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:18,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:48:18,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:48:18,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:48:18,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:48:18,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:48:18,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:48:18,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:48:18,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... [2020-11-22 12:48:18,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:48:18,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:48:18,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:48:18,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:48:18,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/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 [2020-11-22 12:48:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 12:48:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:48:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-22 12:48:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:48:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:48:18,832 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:48:18,840 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-22 12:48:18,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:48:18 BoogieIcfgContainer [2020-11-22 12:48:18,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:48:18,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:48:18,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:48:18,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:48:18,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:48:17" (1/3) ... [2020-11-22 12:48:18,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3768f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:48:18, skipping insertion in model container [2020-11-22 12:48:18,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:18" (2/3) ... [2020-11-22 12:48:18,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3768f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:48:18, skipping insertion in model container [2020-11-22 12:48:18,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:48:18" (3/3) ... [2020-11-22 12:48:18,856 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2020-11-22 12:48:18,866 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:48:18,870 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:48:18,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:48:18,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:48:18,896 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-22 12:48:18,896 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:48:18,896 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:48:18,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:48:18,896 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:48:18,896 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:48:18,896 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:48:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-22 12:48:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 12:48:18,918 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:48:18,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 12:48:18,919 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-22 12:48:18,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:48:18,924 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2020-11-22 12:48:18,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:48:18,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833155787] [2020-11-22 12:48:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28f9e067-b2d4-44dd-9c14-9a2d26609c6f/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:48:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:48:19,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:48:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:48:19,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:48:19,112 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:48:19,113 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:48:19,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:48:19,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:48:19 BoogieIcfgContainer [2020-11-22 12:48:19,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:48:19,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:48:19,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:48:19,339 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:48:19,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:48:18" (3/4) ... [2020-11-22 12:48:19,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:48:19,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:48:19,350 INFO L168 Benchmark]: Toolchain (without parser) took 1896.92 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 31.2 MB in the beginning and 33.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:19,351 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:19,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.20 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 31.0 MB in the beginning and 43.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:19,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.84 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:19,357 INFO L168 Benchmark]: Boogie Preprocessor took 32.83 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 39.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:19,358 INFO L168 Benchmark]: RCFGBuilder took 503.42 ms. Allocated memory is still 77.6 MB. Free memory was 39.5 MB in the beginning and 50.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:19,364 INFO L168 Benchmark]: TraceAbstraction took 485.87 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 33.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:19,365 INFO L168 Benchmark]: Witness Printer took 7.87 ms. Allocated memory is still 77.6 MB. Free memory was 33.8 MB in the beginning and 33.4 MB in the end (delta: 426.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:19,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 785.20 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 31.0 MB in the beginning and 43.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.84 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.83 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 39.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 503.42 ms. Allocated memory is still 77.6 MB. Free memory was 39.5 MB in the beginning and 50.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 485.87 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 33.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.87 ms. Allocated memory is still 77.6 MB. Free memory was 33.8 MB in the beginning and 33.4 MB in the end (delta: 426.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [a8={0:0}, ldv_global_msg_list={3:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...