./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8 --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 226a48892dbf15b4d04e739325fd096776cbff4d ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8 --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 226a48892dbf15b4d04e739325fd096776cbff4d ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:53:03,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:53:03,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:53:03,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:53:03,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:53:03,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:53:03,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:53:03,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:53:03,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:53:03,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:53:03,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:53:03,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:53:03,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:53:03,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:53:03,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:53:03,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:53:03,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:53:03,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:53:03,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:53:03,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:53:03,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:53:03,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:53:03,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:53:03,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:53:03,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:53:03,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:53:03,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:53:03,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:53:03,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:53:03,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:53:03,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:53:03,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:53:03,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:53:03,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:53:03,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:53:03,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:53:03,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:53:03,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:53:03,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:53:03,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:53:03,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:53:03,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 06:53:03,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:53:03,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:53:03,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:53:03,970 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:53:03,970 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:53:03,970 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:53:03,970 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:53:03,971 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:53:03,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:53:03,971 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:53:03,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:53:03,973 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:53:03,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:53:03,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:53:03,974 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:53:03,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:53:03,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:53:03,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:53:03,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:53:03,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:53:03,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:53:03,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:53:03,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:53:03,977 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:53:03,977 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:53:03,978 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:53:03,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:53:03,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:53:03,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:53:03,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:53:03,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:53:03,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:53:03,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:53:03,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:53:03,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:53:03,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:53:03,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:53:03,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:53:03,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:53:03,984 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_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2021-10-13 06:53:04,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:53:04,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:53:04,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:53:04,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:53:04,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:53:04,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-13 06:53:04,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/b4a7010e9/0c2a18b85907415a8471c6541eaf61e0/FLAG38fd6aeb3 [2021-10-13 06:53:05,023 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:53:05,024 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-13 06:53:05,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/b4a7010e9/0c2a18b85907415a8471c6541eaf61e0/FLAG38fd6aeb3 [2021-10-13 06:53:05,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/b4a7010e9/0c2a18b85907415a8471c6541eaf61e0 [2021-10-13 06:53:05,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:53:05,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:53:05,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:53:05,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:53:05,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:53:05,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:53:05" (1/1) ... [2021-10-13 06:53:05,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7809e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:05, skipping insertion in model container [2021-10-13 06:53:05,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:53:05" (1/1) ... [2021-10-13 06:53:05,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:53:05,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:53:05,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:53:05,892 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) [2021-10-13 06:53:05,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@536b53e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:05, skipping insertion in model container [2021-10-13 06:53:05,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:53:05,894 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:53:05,897 INFO L168 Benchmark]: Toolchain (without parser) took 609.40 ms. Allocated memory is still 130.0 MB. Free memory was 91.6 MB in the beginning and 100.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:05,898 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 130.0 MB. Free memory was 102.5 MB in the beginning and 102.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:53:05,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.57 ms. Allocated memory is still 130.0 MB. Free memory was 91.6 MB in the beginning and 100.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:05,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 130.0 MB. Free memory was 102.5 MB in the beginning and 102.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.57 ms. Allocated memory is still 130.0 MB. Free memory was 91.6 MB in the beginning and 100.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.2.1-dev-4e77c04 [2021-10-13 06:53:08,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:53:08,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:53:08,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:53:08,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:53:08,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:53:08,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:53:08,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:53:08,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:53:08,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:53:08,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:53:08,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:53:08,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:53:08,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:53:08,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:53:08,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:53:08,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:53:08,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:53:08,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:53:08,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:53:08,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:53:08,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:53:08,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:53:08,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:53:08,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:53:08,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:53:08,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:53:08,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:53:08,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:53:08,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:53:08,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:53:08,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:53:08,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:53:08,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:53:08,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:53:08,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:53:08,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:53:08,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:53:08,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:53:08,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:53:08,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:53:08,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 06:53:08,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:53:08,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:53:08,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:53:08,704 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:53:08,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:53:08,704 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:53:08,705 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:53:08,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:53:08,705 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:53:08,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:53:08,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:53:08,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:53:08,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:53:08,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:53:08,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:53:08,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:53:08,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:53:08,709 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:53:08,709 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:53:08,710 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:53:08,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:53:08,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:53:08,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:53:08,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:53:08,711 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:53:08,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:53:08,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:53:08,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:53:08,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:53:08,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:53:08,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:53:08,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:53:08,714 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:53:08,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:53:08,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:53:08,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:53:08,715 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_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2021-10-13 06:53:09,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:53:09,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:53:09,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:53:09,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:53:09,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:53:09,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-13 06:53:09,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/e50e59b1d/6169d1ca9c654ba596a177351e049837/FLAG3ffe5e474 [2021-10-13 06:53:10,044 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:53:10,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-13 06:53:10,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/e50e59b1d/6169d1ca9c654ba596a177351e049837/FLAG3ffe5e474 [2021-10-13 06:53:10,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/data/e50e59b1d/6169d1ca9c654ba596a177351e049837 [2021-10-13 06:53:10,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:53:10,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:53:10,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:53:10,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:53:10,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:53:10,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:53:10" (1/1) ... [2021-10-13 06:53:10,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ce0932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:10, skipping insertion in model container [2021-10-13 06:53:10,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:53:10" (1/1) ... [2021-10-13 06:53:10,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:53:10,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:53:10,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:53:10,902 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:53:10,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:53:11,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:53:11,030 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:53:11,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:53:11,175 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:53:11,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11 WrapperNode [2021-10-13 06:53:11,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:53:11,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:53:11,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:53:11,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:53:11,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:53:11,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:53:11,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:53:11,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:53:11,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:53:11,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:53:11,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:53:11,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:53:11,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (1/1) ... [2021-10-13 06:53:11,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:53:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:53:11,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:53:11,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:53:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:53:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:53:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 06:53:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:53:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:53:11,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:53:11,784 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 06:53:11,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:53:11 BoogieIcfgContainer [2021-10-13 06:53:11,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:53:11,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:53:11,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:53:11,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:53:11,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:53:10" (1/3) ... [2021-10-13 06:53:11,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663d87ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:53:11, skipping insertion in model container [2021-10-13 06:53:11,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:53:11" (2/3) ... [2021-10-13 06:53:11,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663d87ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:53:11, skipping insertion in model container [2021-10-13 06:53:11,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:53:11" (3/3) ... [2021-10-13 06:53:11,796 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2021-10-13 06:53:11,803 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:53:11,803 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 06:53:11,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:53:11,865 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:53:11,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 06:53:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:53:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 06:53:11,890 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:53:11,891 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 06:53:11,891 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-13 06:53:11,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:53:11,898 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2021-10-13 06:53:11,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:53:11,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218937449] [2021-10-13 06:53:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:53:11,915 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:53:11,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:53:11,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:53:11,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:53:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:53:12,042 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:53:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:53:12,117 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 06:53:12,120 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:53:12,121 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 06:53:12,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 06:53:12,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 06:53:12,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:53:12,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:53:12,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:53:12,345 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:53:12,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:53:12 BoogieIcfgContainer [2021-10-13 06:53:12,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:53:12,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:53:12,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:53:12,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:53:12,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:53:11" (3/4) ... [2021-10-13 06:53:12,380 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 06:53:12,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:53:12,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:53:12,440 INFO L168 Benchmark]: Toolchain (without parser) took 2111.08 ms. Allocated memory is still 79.7 MB. Free memory was 44.0 MB in the beginning and 40.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,441 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:53:12,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.12 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 38.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.32 ms. Allocated memory is still 79.7 MB. Free memory was 38.8 MB in the beginning and 36.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,452 INFO L168 Benchmark]: Boogie Preprocessor took 75.95 ms. Allocated memory is still 79.7 MB. Free memory was 36.7 MB in the beginning and 63.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,453 INFO L168 Benchmark]: RCFGBuilder took 433.53 ms. Allocated memory is still 79.7 MB. Free memory was 63.6 MB in the beginning and 54.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,454 INFO L168 Benchmark]: TraceAbstraction took 580.68 ms. Allocated memory is still 79.7 MB. Free memory was 53.5 MB in the beginning and 42.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,454 INFO L168 Benchmark]: Witness Printer took 62.49 ms. Allocated memory is still 79.7 MB. Free memory was 42.2 MB in the beginning and 40.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:53:12,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 846.12 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 38.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.32 ms. Allocated memory is still 79.7 MB. Free memory was 38.8 MB in the beginning and 36.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.95 ms. Allocated memory is still 79.7 MB. Free memory was 36.7 MB in the beginning and 63.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 433.53 ms. Allocated memory is still 79.7 MB. Free memory was 63.6 MB in the beginning and 54.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 580.68 ms. Allocated memory is still 79.7 MB. Free memory was 53.5 MB in the beginning and 42.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 62.49 ms. Allocated memory is still 79.7 MB. Free memory was 42.2 MB in the beginning and 40.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={-2147483648:0}] [L763] free(p) VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 488.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.6ms SsaConstructionTime, 14.7ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2021-10-13 06:53:12,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7c878c-ab6f-4cf0-893a-e0f701fded1b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...