./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:23:56,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:23:56,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:23:56,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:23:56,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:23:56,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:23:56,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:23:56,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:23:56,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:23:56,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:23:56,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:23:56,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:23:56,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:23:56,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:23:56,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:23:56,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:23:56,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:23:56,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:23:56,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:23:56,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:23:56,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:23:56,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:23:56,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:23:56,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:23:56,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:23:56,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:23:56,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:23:56,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:23:56,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:23:56,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:23:56,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:23:56,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:23:56,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:23:56,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:23:56,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:23:56,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:23:56,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:23:56,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:23:56,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:23:56,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:23:56,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:23:56,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 02:23:56,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:23:56,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:23:57,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:23:57,001 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:23:57,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:23:57,001 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:23:57,002 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:23:57,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:23:57,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:23:57,002 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:23:57,003 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:23:57,004 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:23:57,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:23:57,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:23:57,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:23:57,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:23:57,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:23:57,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:23:57,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:23:57,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:23:57,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:23:57,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:23:57,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:23:57,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:23:57,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:23:57,007 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:23:57,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:23:57,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:23:57,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:23:57,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:23:57,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:23:57,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:23:57,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:23:57,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:23:57,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:23:57,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:23:57,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:23:57,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:23:57,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:23:57,012 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_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-11-07 02:23:57,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:23:57,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:23:57,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:23:57,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:23:57,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:23:57,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-07 02:23:57,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/4813ab7c1/5933308655e3467cb126c77f98d73eff/FLAG858f93640 [2021-11-07 02:23:58,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:23:58,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-07 02:23:58,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/4813ab7c1/5933308655e3467cb126c77f98d73eff/FLAG858f93640 [2021-11-07 02:23:58,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/4813ab7c1/5933308655e3467cb126c77f98d73eff [2021-11-07 02:23:58,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:23:58,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:23:58,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:23:58,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:23:58,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:23:58,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:23:58" (1/1) ... [2021-11-07 02:23:58,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689b4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:23:58, skipping insertion in model container [2021-11-07 02:23:58,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:23:58" (1/1) ... [2021-11-07 02:23:58,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:23:58,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:23:58,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:23:58,902 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:23:58,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f169834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:23:58, skipping insertion in model container [2021-11-07 02:23:58,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:23:58,903 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:23:58,906 INFO L168 Benchmark]: Toolchain (without parser) took 593.03 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 113.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:58,907 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:23:58,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.46 ms. Allocated memory is still 140.5 MB. Free memory was 105.2 MB in the beginning and 113.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:23:58,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.46 ms. Allocated memory is still 140.5 MB. Free memory was 105.2 MB in the beginning and 113.0 MB in the end (delta: -7.7 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:24:01,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:24:01,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:24:01,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:24:01,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:24:01,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:24:01,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:24:01,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:24:01,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:24:01,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:24:01,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:24:01,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:24:01,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:24:01,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:24:01,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:24:01,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:24:01,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:24:01,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:24:01,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:24:01,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:24:01,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:24:01,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:24:01,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:24:01,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:24:01,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:24:01,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:24:01,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:24:01,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:24:01,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:24:01,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:24:01,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:24:01,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:24:01,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:24:01,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:24:01,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:24:01,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:24:01,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:24:01,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:24:01,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:24:01,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:24:01,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:24:01,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 02:24:01,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:24:01,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:24:01,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:24:01,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:24:01,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:24:01,305 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:24:01,305 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:24:01,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:24:01,306 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:24:01,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:24:01,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:24:01,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:24:01,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:24:01,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:24:01,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:24:01,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:24:01,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:24:01,309 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:24:01,309 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:24:01,310 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:24:01,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:24:01,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:24:01,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:24:01,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:24:01,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:24:01,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:24:01,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:24:01,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:24:01,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:24:01,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:24:01,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:24:01,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:24:01,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:24:01,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:24:01,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:24:01,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:24:01,314 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_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-11-07 02:24:01,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:24:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:24:01,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:24:01,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:24:01,732 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:24:01,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-07 02:24:01,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/753fe7fe2/1dcc92dd83c34e99aa5c196e91b660c1/FLAG5dd9a4beb [2021-11-07 02:24:02,549 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:24:02,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-07 02:24:02,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/753fe7fe2/1dcc92dd83c34e99aa5c196e91b660c1/FLAG5dd9a4beb [2021-11-07 02:24:02,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/data/753fe7fe2/1dcc92dd83c34e99aa5c196e91b660c1 [2021-11-07 02:24:02,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:24:02,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:24:02,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:24:02,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:24:02,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:24:02,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:24:02" (1/1) ... [2021-11-07 02:24:02,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226a09d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:02, skipping insertion in model container [2021-11-07 02:24:02,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:24:02" (1/1) ... [2021-11-07 02:24:02,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:24:02,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:24:03,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:24:03,301 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:24:03,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:24:03,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:24:03,421 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:24:03,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:24:03,542 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:24:03,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03 WrapperNode [2021-11-07 02:24:03,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:24:03,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:24:03,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:24:03,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:24:03,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:24:03,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:24:03,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:24:03,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:24:03,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:24:03,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:24:03,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:24:03,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:24:03,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (1/1) ... [2021-11-07 02:24:03,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:24:03,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:24:03,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:24:03,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:24:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:24:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:24:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:24:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:24:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:24:03,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:24:03,999 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 02:24:04,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:24:04 BoogieIcfgContainer [2021-11-07 02:24:04,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:24:04,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:24:04,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:24:04,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:24:04,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:24:02" (1/3) ... [2021-11-07 02:24:04,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aca40c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:24:04, skipping insertion in model container [2021-11-07 02:24:04,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:24:03" (2/3) ... [2021-11-07 02:24:04,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aca40c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:24:04, skipping insertion in model container [2021-11-07 02:24:04,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:24:04" (3/3) ... [2021-11-07 02:24:04,009 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2021-11-07 02:24:04,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:24:04,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:24:04,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:24:04,076 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:24:04,077 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:24:04,089 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) [2021-11-07 02:24:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 02:24:04,095 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:24:04,096 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:24:04,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 02:24:04,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:24:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-11-07 02:24:04,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:24:04,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440475828] [2021-11-07 02:24:04,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:24:04,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:24:04,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:24:04,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:24:04,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:24:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:24:04,252 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:24:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:24:04,334 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 02:24:04,336 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:24:04,337 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 02:24:04,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:24:04,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:24:04,566 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:24:04,568 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:24:04,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:24:04 BoogieIcfgContainer [2021-11-07 02:24:04,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:24:04,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:24:04,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:24:04,585 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:24:04,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:24:04" (3/4) ... [2021-11-07 02:24:04,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:24:04,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:24:04,590 INFO L168 Benchmark]: Toolchain (without parser) took 1825.79 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.0 MB in the beginning and 43.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:24:04,591 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:24:04,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.22 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.9 MB in the beginning and 50.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:24:04,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:24:04,593 INFO L168 Benchmark]: Boogie Preprocessor took 25.06 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 47.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:24:04,594 INFO L168 Benchmark]: RCFGBuilder took 380.67 ms. Allocated memory is still 71.3 MB. Free memory was 47.2 MB in the beginning and 37.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:24:04,594 INFO L168 Benchmark]: TraceAbstraction took 580.97 ms. Allocated memory is still 71.3 MB. Free memory was 36.8 MB in the beginning and 44.5 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:24:04,595 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 43.9 MB in the end (delta: 589.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:24:04,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 775.22 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 29.9 MB in the beginning and 50.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.06 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 47.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 380.67 ms. Allocated memory is still 71.3 MB. Free memory was 47.2 MB in the beginning and 37.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 580.97 ms. Allocated memory is still 71.3 MB. Free memory was 36.8 MB in the beginning and 44.5 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.40 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 43.9 MB in the end (delta: 589.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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 [2021-11-07 02:24:04,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79584ecc-ccba-44b3-a297-40f97016024a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample