./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ............................................................................................................................................. 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_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:26:42,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:42,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:42,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:42,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:42,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:42,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:42,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:42,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:42,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:42,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:42,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:42,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:42,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:42,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:42,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:42,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:42,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:42,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:42,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:42,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:42,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:42,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:42,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:42,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:42,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:42,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:42,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:42,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:42,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:42,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:42,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:42,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:42,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:42,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:42,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:42,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:42,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:42,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:42,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:42,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:42,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:26:42,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:42,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:42,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:42,595 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:42,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:42,596 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:42,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:26:42,597 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:42,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:42,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:26:42,598 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:26:42,598 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:42,599 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:26:42,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:26:42,599 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:26:42,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:26:42,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:26:42,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:42,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:26:42,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:26:42,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:26:42,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:26:42,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:42,603 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:26:42,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:26:42,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:26:42,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:42,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:42,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:26:42,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:42,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:42,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:42,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:42,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:42,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:42,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:26:42,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:26:42,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:42,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:42,609 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_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2021-10-13 07:26:42,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:43,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:43,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:43,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:43,024 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:43,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-13 07:26:43,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/1172a1aa5/2bf4168801b1455bb54544310466f3f3/FLAG6ca0da0f9 [2021-10-13 07:26:43,948 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:26:43,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-13 07:26:43,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/1172a1aa5/2bf4168801b1455bb54544310466f3f3/FLAG6ca0da0f9 [2021-10-13 07:26:44,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/1172a1aa5/2bf4168801b1455bb54544310466f3f3 [2021-10-13 07:26:44,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:26:44,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:26:44,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:44,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:26:44,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:26:44,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:44" (1/1) ... [2021-10-13 07:26:44,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483ce85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:44, skipping insertion in model container [2021-10-13 07:26:44,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:44" (1/1) ... [2021-10-13 07:26:44,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:26:44,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:26:44,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:44,895 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:26:44,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fa21801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:44, skipping insertion in model container [2021-10-13 07:26:44,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:44,897 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:26:44,901 INFO L168 Benchmark]: Toolchain (without parser) took 755.95 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.6 MB in the beginning and 92.2 MB in the end (delta: -42.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:44,903 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 86.0 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:44,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.89 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.4 MB in the beginning and 92.2 MB in the end (delta: -42.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:44,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 86.0 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.89 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.4 MB in the beginning and 92.2 MB in the end (delta: -42.8 MB). Peak memory consumption was 6.3 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-4e77c04 [2021-10-13 07:26:47,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:47,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:47,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:47,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:47,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:47,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:47,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:47,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:47,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:47,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:47,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:47,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:47,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:47,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:47,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:47,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:47,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:47,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:47,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:47,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:47,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:47,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:47,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:47,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:47,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:47,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:47,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:47,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:47,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:47,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:47,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:47,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:47,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:47,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:47,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:47,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:47,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:47,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:47,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:47,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:47,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:26:47,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:47,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:47,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:47,965 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:47,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:47,966 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:47,966 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:47,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:47,966 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:47,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:26:47,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:26:47,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:47,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:26:47,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:26:47,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:26:47,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:26:47,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:47,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:26:47,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:26:47,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:26:47,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:47,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:47,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:26:47,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:26:47,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:26:47,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:47,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:47,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:26:47,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:47,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:47,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:47,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:47,976 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:26:47,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:26:47,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:47,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:47,977 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_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2021-10-13 07:26:48,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:48,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:48,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:48,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:48,429 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:48,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-13 07:26:48,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/be8c4b18c/eecb62a429e941a99a8ce0d044729729/FLAG242b3a2d8 [2021-10-13 07:26:49,310 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:26:49,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-13 07:26:49,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/be8c4b18c/eecb62a429e941a99a8ce0d044729729/FLAG242b3a2d8 [2021-10-13 07:26:49,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/data/be8c4b18c/eecb62a429e941a99a8ce0d044729729 [2021-10-13 07:26:49,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:26:49,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:26:49,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:49,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:26:49,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:26:49,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:49" (1/1) ... [2021-10-13 07:26:49,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab63346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:49, skipping insertion in model container [2021-10-13 07:26:49,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:49" (1/1) ... [2021-10-13 07:26:49,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:26:49,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:26:50,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:50,163 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:26:50,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:26:50,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:50,236 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:26:50,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:50,364 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:26:50,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50 WrapperNode [2021-10-13 07:26:50,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:50,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:26:50,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:26:50,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:26:50,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:26:50,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:26:50,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:26:50,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:26:50,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:26:50,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:26:50,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:26:50,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:26:50,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (1/1) ... [2021-10-13 07:26:50,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:26:50,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:26:50,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:26:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:26:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:26:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:26:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:26:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:26:50,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:26:50,897 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 07:26:50,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:50 BoogieIcfgContainer [2021-10-13 07:26:50,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:26:50,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:26:50,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:26:50,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:26:50,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:26:49" (1/3) ... [2021-10-13 07:26:50,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f50618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:50, skipping insertion in model container [2021-10-13 07:26:50,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:50" (2/3) ... [2021-10-13 07:26:50,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f50618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:50, skipping insertion in model container [2021-10-13 07:26:50,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:50" (3/3) ... [2021-10-13 07:26:50,910 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2021-10-13 07:26:50,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:26:50,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:26:51,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:26:51,049 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:26:51,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:26:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:26:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:26:51,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:26:51,102 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:26:51,103 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-13 07:26:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:26:51,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-13 07:26:51,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:26:51,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196885188] [2021-10-13 07:26:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:26:51,131 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:26:51,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:26:51,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:26:51,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:26:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:26:51,283 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:26:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:26:51,367 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:26:51,369 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:26:51,371 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:26:51,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:26:51,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:26:51,602 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:26:51,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:26:51 BoogieIcfgContainer [2021-10-13 07:26:51,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:26:51,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:26:51,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:26:51,632 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:26:51,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:50" (3/4) ... [2021-10-13 07:26:51,638 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:26:51,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:26:51,643 INFO L168 Benchmark]: Toolchain (without parser) took 2115.91 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 45.4 MB in the beginning and 63.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,644 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:51,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.61 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 32.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.56 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 30.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,655 INFO L168 Benchmark]: Boogie Preprocessor took 49.33 ms. Allocated memory is still 67.1 MB. Free memory was 30.4 MB in the beginning and 29.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,657 INFO L168 Benchmark]: RCFGBuilder took 419.62 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 29.0 MB in the beginning and 76.2 MB in the end (delta: -47.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,658 INFO L168 Benchmark]: TraceAbstraction took 724.65 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 63.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:51,658 INFO L168 Benchmark]: Witness Printer took 6.76 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 63.1 MB in the end (delta: 488.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:51,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 840.61 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 32.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.56 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 30.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.33 ms. Allocated memory is still 67.1 MB. Free memory was 30.4 MB in the beginning and 29.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 419.62 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 29.0 MB in the beginning and 76.2 MB in the end (delta: -47.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 724.65 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 63.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.76 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 63.1 MB in the end (delta: 488.1 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [ldv_global_msg_list={-2147483648:0}] [L770] struct ldv_device *dev = alloc_21(); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 574.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 40.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: 32.1ms SsaConstructionTime, 42.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:26:51,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc278880-2900-4a6d-80b4-830245b65d92/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...