./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.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_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/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_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/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_1d832733-62a4-4fd2-854e-d6eec87e1439/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 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 ............................................................................................................................................. 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_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/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_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/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_1d832733-62a4-4fd2-854e-d6eec87e1439/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 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 .................................................................................................................................................................................................................................................... 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 07:15:04,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:15:04,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:15:04,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:15:04,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:15:04,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:15:04,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:15:04,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:15:04,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:15:04,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:15:04,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:15:04,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:15:04,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:15:04,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:15:04,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:15:04,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:15:04,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:15:04,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:15:04,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:15:04,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:15:04,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:15:04,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:15:04,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:15:04,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:15:04,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:15:04,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:15:04,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:15:04,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:15:04,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:15:04,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:15:04,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:15:04,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:15:04,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:15:04,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:15:04,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:15:04,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:15:04,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:15:04,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:15:04,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:15:04,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:15:04,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:15:04,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:15:04,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:15:04,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:15:04,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:15:04,398 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:15:04,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:15:04,405 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:15:04,405 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:15:04,405 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:15:04,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:15:04,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:15:04,407 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:15:04,407 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:15:04,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:15:04,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:15:04,408 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:15:04,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:15:04,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:15:04,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:15:04,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:15:04,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:15:04,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:15:04,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:15:04,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:15:04,411 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:15:04,411 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:15:04,411 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:15:04,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:15:04,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:15:04,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:15:04,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:15:04,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:15:04,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:15:04,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:15:04,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:15:04,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:15:04,413 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:15:04,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:15:04,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:15:04,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:15:04,414 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_1d832733-62a4-4fd2-854e-d6eec87e1439/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 [2021-10-13 07:15:04,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:15:04,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:15:04,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:15:04,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:15:04,789 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:15:04,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-10-13 07:15:04,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/b92fdbcca/aee88fa6aca14e5cabeda1e5a6dd346a/FLAG1d1a710e9 [2021-10-13 07:15:05,442 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:15:05,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-10-13 07:15:05,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/b92fdbcca/aee88fa6aca14e5cabeda1e5a6dd346a/FLAG1d1a710e9 [2021-10-13 07:15:05,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/b92fdbcca/aee88fa6aca14e5cabeda1e5a6dd346a [2021-10-13 07:15:05,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:15:05,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:15:05,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:05,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:15:05,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:15:05,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:05" (1/1) ... [2021-10-13 07:15:05,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f505cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:05, skipping insertion in model container [2021-10-13 07:15:05,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:05" (1/1) ... [2021-10-13 07:15:05,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:15:05,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:15:06,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:15:06,363 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 07:15:06,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b2f9213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:06, skipping insertion in model container [2021-10-13 07:15:06,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:06,364 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:15:06,366 INFO L168 Benchmark]: Toolchain (without parser) took 625.00 ms. Allocated memory is still 117.4 MB. Free memory was 77.5 MB in the beginning and 87.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:06,367 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 117.4 MB. Free memory is still 95.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:15:06,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.87 ms. Allocated memory is still 117.4 MB. Free memory was 77.3 MB in the beginning and 87.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:06,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 117.4 MB. Free memory is still 95.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.87 ms. Allocated memory is still 117.4 MB. Free memory was 77.3 MB in the beginning and 87.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:15:08,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:15:08,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:15:08,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:15:08,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:15:08,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:15:08,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:15:08,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:15:08,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:15:08,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:15:08,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:15:08,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:15:08,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:15:08,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:15:08,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:15:08,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:15:08,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:15:08,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:15:08,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:15:08,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:15:08,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:15:08,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:15:08,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:15:08,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:15:08,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:15:08,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:15:08,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:15:08,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:15:08,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:15:08,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:15:08,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:15:08,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:15:08,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:15:08,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:15:08,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:15:08,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:15:08,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:15:08,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:15:08,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:15:08,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:15:08,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:15:08,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:15:08,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:15:08,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:15:08,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:15:08,797 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:15:08,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:15:08,797 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:15:08,797 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:15:08,797 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:15:08,798 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:15:08,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:15:08,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:15:08,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:15:08,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:15:08,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:15:08,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:15:08,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:15:08,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:15:08,802 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:15:08,802 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:15:08,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:15:08,804 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:15:08,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:15:08,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:15:08,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:15:08,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:15:08,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:15:08,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:15:08,805 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:15:08,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:15:08,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:15:08,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:15:08,806 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_1d832733-62a4-4fd2-854e-d6eec87e1439/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 [2021-10-13 07:15:09,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:15:09,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:15:09,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:15:09,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:15:09,239 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:15:09,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-10-13 07:15:09,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/959edb9f2/0da81339f2594201b2b055e501362ce4/FLAG6d0e77207 [2021-10-13 07:15:09,904 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:15:09,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-10-13 07:15:09,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/959edb9f2/0da81339f2594201b2b055e501362ce4/FLAG6d0e77207 [2021-10-13 07:15:10,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/data/959edb9f2/0da81339f2594201b2b055e501362ce4 [2021-10-13 07:15:10,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:15:10,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:15:10,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:10,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:15:10,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:15:10,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cf7eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10, skipping insertion in model container [2021-10-13 07:15:10,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:15:10,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:15:10,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:15:10,661 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:15:10,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:15:10,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:15:10,761 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:15:10,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:15:10,862 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:15:10,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10 WrapperNode [2021-10-13 07:15:10,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:10,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:15:10,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:15:10,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:15:10,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:15:10,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:15:10,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:15:10,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:15:10,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:15:10,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:15:10,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:15:10,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:15:10,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (1/1) ... [2021-10-13 07:15:10,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:15:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:15:10,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:15:10,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:15:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:15:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:15:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:15:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:15:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:15:11,333 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:15:11,333 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 07:15:11,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:11 BoogieIcfgContainer [2021-10-13 07:15:11,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:15:11,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:15:11,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:15:11,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:15:11,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:15:10" (1/3) ... [2021-10-13 07:15:11,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc487a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:11, skipping insertion in model container [2021-10-13 07:15:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:10" (2/3) ... [2021-10-13 07:15:11,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc487a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:11, skipping insertion in model container [2021-10-13 07:15:11,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:11" (3/3) ... [2021-10-13 07:15:11,343 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-1.i [2021-10-13 07:15:11,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:15:11,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:15:11,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:15:11,397 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 07:15:11,397 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:15:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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 07:15:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 07:15:11,415 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:15:11,415 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 07:15:11,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-13 07:15:11,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:15:11,422 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2021-10-13 07:15:11,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:15:11,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86255909] [2021-10-13 07:15:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:15:11,435 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:15:11,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:15:11,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:15:11,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:15:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:15:11,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:15:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:15:11,545 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:15:11,547 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:15:11,548 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:15:11,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:15:11,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:15:11,766 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:15:11,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:15:11 BoogieIcfgContainer [2021-10-13 07:15:11,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:15:11,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:15:11,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:15:11,789 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:15:11,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:11" (3/4) ... [2021-10-13 07:15:11,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:15:11,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:15:11,797 INFO L168 Benchmark]: Toolchain (without parser) took 1612.74 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.7 MB in the beginning and 27.6 MB in the end (delta: 6.4 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:11,800 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:15:11,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.33 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 37.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:11,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 35.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:11,807 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 34.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:15:11,809 INFO L168 Benchmark]: RCFGBuilder took 397.91 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 40.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:11,809 INFO L168 Benchmark]: TraceAbstraction took 445.96 ms. Allocated memory is still 65.0 MB. Free memory was 39.9 MB in the beginning and 28.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:11,810 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 65.0 MB. Free memory was 28.0 MB in the beginning and 27.6 MB in the end (delta: 345.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:15:11,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.33 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 37.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 35.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.90 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 34.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 397.91 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 40.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 445.96 ms. Allocated memory is still 65.0 MB. Free memory was 39.9 MB in the beginning and 28.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.19 ms. Allocated memory is still 65.0 MB. Free memory was 28.0 MB in the beginning and 27.6 MB in the end (delta: 345.6 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. 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); [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 375.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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: 10.2ms SsaConstructionTime, 17.8ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:15:11,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d832733-62a4-4fd2-854e-d6eec87e1439/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...