./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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 304ad22bf348771f128136f36ea0b40ed8a676a7 ............................................................................................................................................ 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_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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 304ad22bf348771f128136f36ea0b40ed8a676a7 ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:15:57,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:15:57,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:15:57,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:15:57,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:15:57,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:15:57,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:15:57,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:15:57,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:15:57,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:15:57,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:15:57,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:15:57,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:15:57,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:15:57,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:15:57,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:15:57,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:15:57,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:15:57,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:15:57,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:15:57,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:15:57,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:15:57,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:15:57,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:15:57,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:15:57,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:15:57,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:15:57,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:15:57,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:15:57,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:15:57,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:15:57,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:15:57,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:15:57,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:15:57,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:15:57,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:15:57,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:15:57,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:15:57,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:15:57,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:15:57,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:15:57,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 06:15:57,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:15:57,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:15:57,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:15:57,713 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:15:57,713 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:15:57,713 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:15:57,713 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:15:57,713 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:15:57,714 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:15:57,714 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:15:57,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 06:15:57,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 06:15:57,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:15:57,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:15:57,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 06:15:57,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:15:57,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:15:57,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:15:57,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:15:57,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:15:57,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:15:57,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:15:57,718 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_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2020-12-09 06:15:57,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:15:57,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:15:57,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:15:57,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:15:57,899 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:15:57,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2020-12-09 06:15:57,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/18f9d174d/f838acd430054e5b82736b3c2d4eb006/FLAGd9b244953 [2020-12-09 06:15:58,379 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:15:58,379 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2020-12-09 06:15:58,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/18f9d174d/f838acd430054e5b82736b3c2d4eb006/FLAGd9b244953 [2020-12-09 06:15:58,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/18f9d174d/f838acd430054e5b82736b3c2d4eb006 [2020-12-09 06:15:58,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:15:58,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:15:58,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:15:58,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:15:58,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:15:58,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:15:58" (1/1) ... [2020-12-09 06:15:58,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586c61e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:15:58, skipping insertion in model container [2020-12-09 06:15:58,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:15:58" (1/1) ... [2020-12-09 06:15:58,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:15:58,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:15:58,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:15:58,721 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) [2020-12-09 06:15:58,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a354d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:15:58, skipping insertion in model container [2020-12-09 06:15:58,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:15:58,722 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 06:15:58,724 INFO L168 Benchmark]: Toolchain (without parser) took 320.00 ms. Allocated memory is still 115.3 MB. Free memory was 82.8 MB in the beginning and 88.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:15:58,724 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 69.2 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:15:58,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.12 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 88.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:15:58,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 69.2 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.12 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 88.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.6 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 0.2.0-7b2dab5 [2020-12-09 06:16:00,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:16:00,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:16:00,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:16:00,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:16:00,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:16:00,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:16:00,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:16:00,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:16:00,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:16:00,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:16:00,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:16:00,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:16:00,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:16:00,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:16:00,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:16:00,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:16:00,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:16:00,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:16:00,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:16:00,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:16:00,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:16:00,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:16:00,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:16:00,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:16:00,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:16:00,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:16:00,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:16:00,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:16:00,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:16:00,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:16:00,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:16:00,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:16:00,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:16:00,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:16:00,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:16:00,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:16:00,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:16:00,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:16:00,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:16:00,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:16:00,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 06:16:00,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:16:00,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:16:00,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:16:00,111 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:16:00,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:16:00,111 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:16:00,111 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:16:00,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:16:00,112 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:16:00,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 06:16:00,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 06:16:00,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:16:00,113 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:16:00,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 06:16:00,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:16:00,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:16:00,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:16:00,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 06:16:00,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 06:16:00,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:16:00,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:16:00,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:16:00,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 06:16:00,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:16:00,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:16:00,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:16:00,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:16:00,117 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 06:16:00,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 06:16:00,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:16:00,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:16:00,118 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_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2020-12-09 06:16:00,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:16:00,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:16:00,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:16:00,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:16:00,388 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:16:00,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2020-12-09 06:16:00,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/4ef62a458/5cda8cbf043e4ec6868c6c3930db6a9b/FLAG80c762998 [2020-12-09 06:16:00,878 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:16:00,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2020-12-09 06:16:00,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/4ef62a458/5cda8cbf043e4ec6868c6c3930db6a9b/FLAG80c762998 [2020-12-09 06:16:00,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/bin/utaipan/data/4ef62a458/5cda8cbf043e4ec6868c6c3930db6a9b [2020-12-09 06:16:00,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:16:00,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:16:00,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:16:00,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:16:00,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:16:00,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:16:00" (1/1) ... [2020-12-09 06:16:00,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b26d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:00, skipping insertion in model container [2020-12-09 06:16:00,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:16:00" (1/1) ... [2020-12-09 06:16:00,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:16:00,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:16:01,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:16:01,226 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 06:16:01,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:16:01,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:16:01,268 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:16:01,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:16:01,361 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:16:01,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01 WrapperNode [2020-12-09 06:16:01,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:16:01,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:16:01,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:16:01,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:16:01,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:16:01,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:16:01,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:16:01,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:16:01,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... [2020-12-09 06:16:01,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:16:01,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:16:01,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:16:01,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:16:01,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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 06:16:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 06:16:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:16:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 06:16:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:16:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:16:01,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:16:01,623 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 06:16:01,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:16:01 BoogieIcfgContainer [2020-12-09 06:16:01,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:16:01,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:16:01,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:16:01,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:16:01,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:16:00" (1/3) ... [2020-12-09 06:16:01,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5405ed60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:16:01, skipping insertion in model container [2020-12-09 06:16:01,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:16:01" (2/3) ... [2020-12-09 06:16:01,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5405ed60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:16:01, skipping insertion in model container [2020-12-09 06:16:01,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:16:01" (3/3) ... [2020-12-09 06:16:01,630 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2020-12-09 06:16:01,640 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:16:01,642 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:16:01,649 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:16:01,663 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:16:01,664 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 06:16:01,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:16:01,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:16:01,664 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:16:01,664 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:16:01,664 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:16:01,664 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:16:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-09 06:16:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 06:16:01,678 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:16:01,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:16:01,678 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 06:16:01,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:16:01,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2020-12-09 06:16:01,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:16:01,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650653384] [2020-12-09 06:16:01,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_feb356ca-7a72-4f72-8ca0-b671a0a4145d/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 [2020-12-09 06:16:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:16:01,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:16:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:16:01,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:16:01,805 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 06:16:01,805 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 06:16:02,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 06:16:02,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:16:02 BoogieIcfgContainer [2020-12-09 06:16:02,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:16:02,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:16:02,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:16:02,022 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:16:02,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:16:01" (3/4) ... [2020-12-09 06:16:02,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 06:16:02,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:16:02,027 INFO L168 Benchmark]: Toolchain (without parser) took 1121.44 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 44.7 MB in the beginning and 43.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,027 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:16:02,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.33 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 53.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 51.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,030 INFO L168 Benchmark]: Boogie Preprocessor took 17.25 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,030 INFO L168 Benchmark]: RCFGBuilder took 208.23 ms. Allocated memory is still 83.9 MB. Free memory was 50.6 MB in the beginning and 62.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,031 INFO L168 Benchmark]: TraceAbstraction took 395.62 ms. Allocated memory is still 83.9 MB. Free memory was 61.9 MB in the beginning and 44.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:16:02,031 INFO L168 Benchmark]: Witness Printer took 3.65 ms. Allocated memory is still 83.9 MB. Free memory was 44.2 MB in the beginning and 43.7 MB in the end (delta: 556.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:16:02,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.33 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 53.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 51.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.25 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 208.23 ms. Allocated memory is still 83.9 MB. Free memory was 50.6 MB in the beginning and 62.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 395.62 ms. Allocated memory is still 83.9 MB. Free memory was 61.9 MB in the beginning and 44.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.65 ms. Allocated memory is still 83.9 MB. Free memory was 44.2 MB in the beginning and 43.7 MB in the end (delta: 556.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [a9={0:0}, ldv_global_msg_list={3:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [a9={1:0}, ldv_global_msg_list={3:0}] [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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...