./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8 --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:22,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:22,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:22,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:22,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:22,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:22,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:22,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:22,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:22,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:22,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:22,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:22,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:22,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:22,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:22,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:22,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:22,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:22,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:22,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:22,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:22,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:22,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:22,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:22,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:22,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:22,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:22,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:22,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:22,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:22,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:22,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:22,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:22,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:22,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:22,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:22,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:22,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:22,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:22,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:22,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:22,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:35:22,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:22,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:22,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:22,451 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:22,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:22,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:22,453 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:35:22,453 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:22,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:22,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:35:22,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:35:22,456 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:22,456 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:35:22,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:35:22,457 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:35:22,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:35:22,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:35:22,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:22,459 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:22,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:35:22,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:22,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:22,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:22,460 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:35:22,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:35:22,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:35:22,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:22,464 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:22,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:22,465 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:22,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:22,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:22,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:22,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:22,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:22,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:35:22,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:35:22,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:22,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:22,468 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_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2021-11-07 01:35:22,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:22,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:22,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:22,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:22,903 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:22,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-11-07 01:35:22,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/f0a95a4e1/ecb68a4787a746ac9582c1d47418b47a/FLAG4da5e887a [2021-11-07 01:35:23,729 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:23,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-11-07 01:35:23,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/f0a95a4e1/ecb68a4787a746ac9582c1d47418b47a/FLAG4da5e887a [2021-11-07 01:35:23,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/f0a95a4e1/ecb68a4787a746ac9582c1d47418b47a [2021-11-07 01:35:23,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:23,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:23,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:23,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:23,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:23,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:23" (1/1) ... [2021-11-07 01:35:23,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb688a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:23, skipping insertion in model container [2021-11-07 01:35:23,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:23" (1/1) ... [2021-11-07 01:35:23,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:24,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:24,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:24,545 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) [2021-11-07 01:35:24,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49ac088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:24, skipping insertion in model container [2021-11-07 01:35:24,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:24,547 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:35:24,549 INFO L168 Benchmark]: Toolchain (without parser) took 596.43 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.7 MB in the beginning and 93.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:24,550 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 96.5 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:24,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.91 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.4 MB in the beginning and 93.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:24,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 96.5 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.91 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.4 MB in the beginning and 93.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8 --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:27,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:27,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:27,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:27,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:27,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:27,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:27,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:27,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:27,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:27,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:27,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:27,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:27,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:27,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:27,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:27,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:27,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:27,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:27,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:27,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:27,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:27,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:27,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:27,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:27,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:27,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:27,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:27,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:27,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:27,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:27,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:27,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:27,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:27,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:27,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:27,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:27,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:27,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:27,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:27,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:27,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:35:27,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:27,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:27,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:27,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:27,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:27,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:27,724 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:27,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:27,725 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:27,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:35:27,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:35:27,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:27,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:27,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:35:27,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:27,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:27,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:27,728 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:35:27,728 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:35:27,728 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:35:27,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:27,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:27,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:35:27,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:35:27,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:27,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:27,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:27,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:35:27,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:27,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:27,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:27,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:27,731 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:35:27,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:27,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:27,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:27,732 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_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2021-11-07 01:35:28,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:28,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:28,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:28,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:28,292 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:28,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-11-07 01:35:28,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/16114ad61/4dc86daf3e3244cfa7f46cb23e76771f/FLAG7b35c0ff6 [2021-11-07 01:35:29,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:29,186 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-11-07 01:35:29,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/16114ad61/4dc86daf3e3244cfa7f46cb23e76771f/FLAG7b35c0ff6 [2021-11-07 01:35:29,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/data/16114ad61/4dc86daf3e3244cfa7f46cb23e76771f [2021-11-07 01:35:29,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:29,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:29,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:29,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:29,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:29,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:29" (1/1) ... [2021-11-07 01:35:29,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a654e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:29, skipping insertion in model container [2021-11-07 01:35:29,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:29" (1/1) ... [2021-11-07 01:35:29,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:29,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:30,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:30,331 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:35:30,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:30,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:30,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:35:30,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:30,632 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:35:30,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30 WrapperNode [2021-11-07 01:35:30,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:30,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:30,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:35:30,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:35:30,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:30,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:35:30,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:35:30,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:35:30,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:35:30,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:35:30,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:35:30,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:35:30,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (1/1) ... [2021-11-07 01:35:30,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:30,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:30,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:35:30,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:35:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:35:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:35:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:35:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:35:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:35:31,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:35:31,198 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 01:35:31,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:31 BoogieIcfgContainer [2021-11-07 01:35:31,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:35:31,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:35:31,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:35:31,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:35:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:29" (1/3) ... [2021-11-07 01:35:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771f7c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:31, skipping insertion in model container [2021-11-07 01:35:31,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:30" (2/3) ... [2021-11-07 01:35:31,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771f7c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:31, skipping insertion in model container [2021-11-07 01:35:31,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:31" (3/3) ... [2021-11-07 01:35:31,212 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2021-11-07 01:35:31,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:35:31,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:35:31,301 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:35:31,309 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, mAutomataTypeConcurrency=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 [2021-11-07 01:35:31,310 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:35:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-11-07 01:35:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:35:31,365 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:31,366 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:35:31,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 01:35:31,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:31,377 INFO L85 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-11-07 01:35:31,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:35:31,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403029176] [2021-11-07 01:35:31,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:31,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:35:31,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:35:31,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:35:31,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:35:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:35:31,617 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:35:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:35:31,718 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:35:31,721 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:35:31,726 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:35:31,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:31,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:35:31,958 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:35:31,962 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:35:31,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:35:31 BoogieIcfgContainer [2021-11-07 01:35:31,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:35:31,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:35:31,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:35:31,995 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:35:31,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:31" (3/4) ... [2021-11-07 01:35:32,001 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:35:32,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:35:32,008 INFO L168 Benchmark]: Toolchain (without parser) took 2590.35 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.2 MB in the beginning and 44.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,011 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:32,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.52 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 33.9 MB in the end (delta: -913.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.64 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 49.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,021 INFO L168 Benchmark]: Boogie Preprocessor took 64.17 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 48.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,021 INFO L168 Benchmark]: RCFGBuilder took 391.41 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 38.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,022 INFO L168 Benchmark]: TraceAbstraction took 785.24 ms. Allocated memory is still 69.2 MB. Free memory was 38.2 MB in the beginning and 44.3 MB in the end (delta: -6.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:32,023 INFO L168 Benchmark]: Witness Printer took 8.04 ms. Allocated memory is still 69.2 MB. Free memory was 44.3 MB in the beginning and 44.0 MB in the end (delta: 301.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:32,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1213.52 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 33.9 MB in the end (delta: -913.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.64 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 49.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.17 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 48.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 391.41 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 38.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 785.24 ms. Allocated memory is still 69.2 MB. Free memory was 38.2 MB in the beginning and 44.3 MB in the end (delta: -6.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 8.04 ms. Allocated memory is still 69.2 MB. Free memory was 44.3 MB in the beginning and 44.0 MB in the end (delta: 301.5 kB). 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={-2147483648:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:35:32,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d05a6da-d967-4af5-8693-c22183f76813/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample