./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 226a48892dbf15b4d04e739325fd096776cbff4d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 226a48892dbf15b4d04e739325fd096776cbff4d ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:22:19,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:22:19,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:22:19,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:22:19,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:22:19,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:22:19,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:22:19,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:22:19,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:22:19,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:22:19,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:22:19,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:22:19,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:22:19,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:22:19,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:22:19,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:22:19,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:22:19,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:22:19,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:22:19,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:22:19,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:22:19,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:22:19,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:22:19,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:22:19,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:22:19,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:22:19,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:22:19,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:22:19,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:22:19,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:22:19,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:22:19,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:22:19,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:22:19,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:22:19,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:22:19,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:22:19,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:22:19,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:22:19,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:22:19,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:22:19,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:22:19,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 16:22:19,515 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:22:19,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:22:19,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:22:19,516 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:22:19,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:22:19,517 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:22:19,518 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:22:19,518 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:22:19,518 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:22:19,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:22:19,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:22:19,519 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:22:19,520 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:22:19,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:22:19,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:22:19,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:22:19,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:22:19,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:22:19,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:22:19,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:22:19,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:22:19,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:22:19,521 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:22:19,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:22:19,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:22:19,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:22:19,522 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2020-12-09 16:22:19,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:22:19,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:22:19,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:22:19,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:22:19,724 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:22:19,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2020-12-09 16:22:19,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/fbb0456c8/0dd96a2d9b2a4affbd5e2f276d659858/FLAG2e5197ddc [2020-12-09 16:22:20,190 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:22:20,190 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2020-12-09 16:22:20,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/fbb0456c8/0dd96a2d9b2a4affbd5e2f276d659858/FLAG2e5197ddc [2020-12-09 16:22:20,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/fbb0456c8/0dd96a2d9b2a4affbd5e2f276d659858 [2020-12-09 16:22:20,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:22:20,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:22:20,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:20,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:22:20,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:22:20,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:20" (1/1) ... [2020-12-09 16:22:20,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606a01c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:20, skipping insertion in model container [2020-12-09 16:22:20,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:20" (1/1) ... [2020-12-09 16:22:20,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:22:20,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:22:20,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:20,489 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-09 16:22:20,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ab032b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:20, skipping insertion in model container [2020-12-09 16:22:20,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:20,490 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:22:20,492 INFO L168 Benchmark]: Toolchain (without parser) took 278.37 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 62.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:20,492 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 107.0 MB. Free memory is still 84.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:22:20,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.37 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 62.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:20,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 107.0 MB. Free memory is still 84.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.37 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 62.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:22:21,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:22:21,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:22:21,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:22:21,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:22:21,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:22:21,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:22:21,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:22:21,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:22:21,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:22:21,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:22:21,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:22:21,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:22:21,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:22:21,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:22:21,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:22:21,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:22:21,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:22:21,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:22:21,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:22:21,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:22:21,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:22:21,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:22:21,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:22:21,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:22:21,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:22:21,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:22:21,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:22:21,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:22:21,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:22:21,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:22:21,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:22:21,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:22:21,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:22:21,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:22:21,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:22:21,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:22:21,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:22:21,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:22:21,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:22:21,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:22:21,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 16:22:21,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:22:21,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:22:22,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:22:22,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:22:22,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:22:22,000 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:22:22,000 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:22:22,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:22:22,001 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:22:22,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:22:22,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:22:22,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:22:22,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:22:22,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:22:22,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:22:22,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:22:22,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:22:22,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:22:22,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:22:22,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:22:22,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:22:22,005 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:22:22,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:22:22,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:22:22,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:22:22,005 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2020-12-09 16:22:22,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:22:22,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:22:22,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:22:22,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:22:22,258 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:22:22,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2020-12-09 16:22:22,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/666f9f8b7/487a85f70eb14157b47d6fb36993c6cb/FLAGd4279d290 [2020-12-09 16:22:22,754 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:22:22,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2020-12-09 16:22:22,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/666f9f8b7/487a85f70eb14157b47d6fb36993c6cb/FLAGd4279d290 [2020-12-09 16:22:23,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/data/666f9f8b7/487a85f70eb14157b47d6fb36993c6cb [2020-12-09 16:22:23,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:22:23,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:22:23,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:23,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:22:23,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:22:23,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4451391c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23, skipping insertion in model container [2020-12-09 16:22:23,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:22:23,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:22:23,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:23,610 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 16:22:23,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:22:23,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:23,673 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:22:23,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:23,790 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:22:23,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23 WrapperNode [2020-12-09 16:22:23,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:23,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:23,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:22:23,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:22:23,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:23,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:22:23,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:22:23,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:22:23,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... [2020-12-09 16:22:23,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:22:23,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:22:23,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:22:23,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:22:23,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:22:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:22:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:22:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 16:22:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:22:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:22:24,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:22:24,059 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 16:22:24,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:24 BoogieIcfgContainer [2020-12-09 16:22:24,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:22:24,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:22:24,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:22:24,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:22:24,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:23" (1/3) ... [2020-12-09 16:22:24,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f98dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:24, skipping insertion in model container [2020-12-09 16:22:24,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:23" (2/3) ... [2020-12-09 16:22:24,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f98dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:24, skipping insertion in model container [2020-12-09 16:22:24,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:24" (3/3) ... [2020-12-09 16:22:24,067 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2020-12-09 16:22:24,080 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:22:24,083 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-09 16:22:24,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-09 16:22:24,109 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:22:24,109 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 16:22:24,109 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:22:24,109 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:22:24,109 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:22:24,110 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:22:24,110 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:22:24,110 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:22:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-12-09 16:22:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 16:22:24,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:24,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 16:22:24,127 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-09 16:22:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:24,131 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2020-12-09 16:22:24,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:24,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493757097] [2020-12-09 16:22:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 16:22:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:22:24,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:22:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:22:24,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:22:24,215 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 16:22:24,216 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:22:24,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:22:24,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:22:24 BoogieIcfgContainer [2020-12-09 16:22:24,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:22:24,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:22:24,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:22:24,431 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:22:24,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:24" (3/4) ... [2020-12-09 16:22:24,433 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 16:22:24,459 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3eef60b5-72c5-40f6-8f2b-3762b4f2b855/bin/utaipan/witness.graphml [2020-12-09 16:22:24,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:22:24,461 INFO L168 Benchmark]: Toolchain (without parser) took 1173.27 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.5 MB in the beginning and 36.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,462 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:22:24,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.75 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 45.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.07 ms. Allocated memory is still 71.3 MB. Free memory was 45.8 MB in the beginning and 43.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,464 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,464 INFO L168 Benchmark]: RCFGBuilder took 204.36 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 52.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,465 INFO L168 Benchmark]: TraceAbstraction took 369.04 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 37.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,466 INFO L168 Benchmark]: Witness Printer took 28.10 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 36.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:24,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.75 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 45.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.07 ms. Allocated memory is still 71.3 MB. Free memory was 45.8 MB in the beginning and 43.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.97 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 204.36 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 52.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 369.04 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 37.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 28.10 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 36.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={3:0}] [L763] free(p) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...