./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE --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 ............................................................................................................................................. 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_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE --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 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:01:21,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:01:21,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:01:21,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:01:21,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:01:21,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:01:21,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:01:21,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:01:21,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:01:21,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:01:21,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:01:21,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:01:21,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:01:21,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:01:21,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:01:21,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:01:21,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:01:21,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:01:21,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:01:21,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:01:21,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:01:21,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:01:21,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:01:21,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:01:21,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:01:21,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:01:21,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:01:21,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:01:21,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:01:21,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:01:21,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:01:21,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:01:21,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:01:21,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:01:21,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:01:21,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:01:21,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:01:21,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:01:21,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:01:21,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:01:21,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:01:21,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-24 11:01:21,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:01:21,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:01:21,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:01:21,504 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:01:21,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:01:21,504 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:01:21,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:01:21,505 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:01:21,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:01:21,505 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:01:21,506 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:01:21,506 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:01:21,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:01:21,506 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:01:21,507 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:01:21,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:01:21,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:01:21,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:01:21,508 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:01:21,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:01:21,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:01:21,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:01:21,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:01:21,509 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:01:21,510 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:01:21,510 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:01:21,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:01:21,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:01:21,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:01:21,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:01:21,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:01:21,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:01:21,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:21,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:01:21,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:01:21,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:01:21,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:01:21,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:01:21,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:01:21,513 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_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2021-10-24 11:01:21,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:01:21,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:01:21,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:01:21,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:01:21,807 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:01:21,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-24 11:01:21,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/e3e65b92a/416b3002693c49669240ee04d115f004/FLAG0af1f7f3d [2021-10-24 11:01:22,518 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:01:22,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-24 11:01:22,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/e3e65b92a/416b3002693c49669240ee04d115f004/FLAG0af1f7f3d [2021-10-24 11:01:22,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/e3e65b92a/416b3002693c49669240ee04d115f004 [2021-10-24 11:01:22,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:01:22,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:01:22,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:22,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:01:22,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:01:22,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:22" (1/1) ... [2021-10-24 11:01:22,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415721da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:22, skipping insertion in model container [2021-10-24 11:01:22,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:22" (1/1) ... [2021-10-24 11:01:22,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:01:22,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:23,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:23,370 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) [2021-10-24 11:01:23,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@746775ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:23, skipping insertion in model container [2021-10-24 11:01:23,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:23,372 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:01:23,375 INFO L168 Benchmark]: Toolchain (without parser) took 627.96 ms. Allocated memory was 117.4 MB in the beginning and 155.2 MB in the end (delta: 37.7 MB). Free memory was 86.3 MB in the beginning and 125.0 MB in the end (delta: -38.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:23,377 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:23,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.53 ms. Allocated memory was 117.4 MB in the beginning and 155.2 MB in the end (delta: 37.7 MB). Free memory was 86.1 MB in the beginning and 125.0 MB in the end (delta: -39.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:23,382 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 117.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.53 ms. Allocated memory was 117.4 MB in the beginning and 155.2 MB in the end (delta: 37.7 MB). Free memory was 86.1 MB in the beginning and 125.0 MB in the end (delta: -39.0 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: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:01:25,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:01:25,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:01:25,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:01:25,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:01:25,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:01:25,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:01:25,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:01:25,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:01:25,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:01:25,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:01:25,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:01:25,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:01:25,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:01:25,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:01:25,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:01:25,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:01:25,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:01:25,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:01:25,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:01:25,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:01:25,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:01:25,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:01:25,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:01:25,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:01:25,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:01:25,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:01:25,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:01:25,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:01:25,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:01:25,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:01:25,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:01:25,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:01:25,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:01:25,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:01:25,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:01:25,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:01:25,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:01:25,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:01:25,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:01:25,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:01:25,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-24 11:01:26,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:01:26,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:01:26,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:01:26,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:01:26,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:01:26,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:01:26,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:01:26,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:01:26,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:01:26,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:01:26,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:01:26,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:01:26,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:01:26,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:01:26,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:01:26,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:01:26,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:01:26,055 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:01:26,055 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:01:26,056 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:01:26,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:01:26,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:01:26,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:01:26,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:01:26,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:01:26,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:01:26,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:01:26,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:01:26,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:01:26,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:26,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:01:26,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:01:26,060 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:01:26,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:01:26,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:01:26,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:01:26,060 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_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2021-10-24 11:01:26,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:01:26,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:01:26,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:01:26,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:01:26,522 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:01:26,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-24 11:01:26,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/0e1824dd5/f36a6ce0eba5426095514797bdf5538f/FLAGfb259ab30 [2021-10-24 11:01:27,368 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:01:27,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2021-10-24 11:01:27,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/0e1824dd5/f36a6ce0eba5426095514797bdf5538f/FLAGfb259ab30 [2021-10-24 11:01:27,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/data/0e1824dd5/f36a6ce0eba5426095514797bdf5538f [2021-10-24 11:01:27,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:01:27,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:01:27,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:27,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:01:27,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:01:27,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:27" (1/1) ... [2021-10-24 11:01:27,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7454e51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:27, skipping insertion in model container [2021-10-24 11:01:27,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:27" (1/1) ... [2021-10-24 11:01:27,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:01:27,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:28,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:28,253 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:01:28,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:28,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:28,358 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:01:28,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:28,466 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:01:28,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28 WrapperNode [2021-10-24 11:01:28,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:28,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:28,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:01:28,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:01:28,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:28,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:01:28,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:01:28,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:01:28,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:01:28,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:01:28,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:01:28,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:01:28,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (1/1) ... [2021-10-24 11:01:28,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:28,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:01:28,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:01:28,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:01:28,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 11:01:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:01:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-24 11:01:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:01:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:01:28,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:01:28,907 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-24 11:01:28,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:28 BoogieIcfgContainer [2021-10-24 11:01:28,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:01:28,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:01:28,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:01:28,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:01:28,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:27" (1/3) ... [2021-10-24 11:01:28,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf6d2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:28, skipping insertion in model container [2021-10-24 11:01:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:28" (2/3) ... [2021-10-24 11:01:28,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf6d2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:28, skipping insertion in model container [2021-10-24 11:01:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:28" (3/3) ... [2021-10-24 11:01:28,918 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2021-10-24 11:01:28,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:01:28,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 11:01:28,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:01:29,007 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 [2021-10-24 11:01:29,008 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 11:01:29,024 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) [2021-10-24 11:01:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 11:01:29,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:29,046 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 11:01:29,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:01:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-24 11:01:29,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:01:29,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785662693] [2021-10-24 11:01:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:29,072 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:01:29,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:01:29,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:01:29,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:01:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:01:29,210 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:01:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:01:29,258 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 11:01:29,260 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:01:29,261 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-24 11:01:29,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:01:29,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:01:29,480 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:01:29,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:29 BoogieIcfgContainer [2021-10-24 11:01:29,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:01:29,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:01:29,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:01:29,507 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:01:29,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:28" (3/4) ... [2021-10-24 11:01:29,511 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 11:01:29,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:01:29,514 INFO L168 Benchmark]: Toolchain (without parser) took 1918.91 ms. Allocated memory is still 79.7 MB. Free memory was 43.6 MB in the beginning and 41.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,516 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:29,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.73 ms. Allocated memory is still 79.7 MB. Free memory was 43.4 MB in the beginning and 38.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.18 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 36.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,526 INFO L168 Benchmark]: Boogie Preprocessor took 33.79 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 63.3 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,527 INFO L168 Benchmark]: RCFGBuilder took 340.88 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 53.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,528 INFO L168 Benchmark]: TraceAbstraction took 589.80 ms. Allocated memory is still 79.7 MB. Free memory was 53.5 MB in the beginning and 41.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:29,528 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 79.7 MB. Free memory was 41.4 MB in the beginning and 41.1 MB in the end (delta: 334.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:29,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.73 ms. Allocated memory is still 79.7 MB. Free memory was 43.4 MB in the beginning and 38.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.18 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 36.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.79 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 63.3 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 340.88 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 53.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 589.80 ms. Allocated memory is still 79.7 MB. Free memory was 53.5 MB in the beginning and 41.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.20 ms. Allocated memory is still 79.7 MB. Free memory was 41.4 MB in the beginning and 41.1 MB in the end (delta: 334.1 kB). There was no memory consumed. 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 - 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: 486.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 24.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.3ms SsaConstructionTime, 33.1ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-24 11:01:29,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafd293c-b8df-4f24-893a-11cdeb2075a1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...