./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs --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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ............................................................................................................................................. 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_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs --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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:46:08,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:46:08,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:46:08,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:46:08,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:46:08,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:46:08,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:46:08,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:46:08,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:46:08,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:46:08,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:46:08,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:46:08,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:46:08,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:46:08,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:46:08,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:46:08,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:46:08,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:46:08,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:46:08,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:46:08,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:46:08,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:46:08,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:46:08,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:46:08,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:46:08,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:46:08,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:46:08,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:46:08,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:46:08,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:46:08,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:46:08,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:46:08,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:46:08,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:46:08,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:46:08,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:46:08,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:46:08,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:46:08,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:46:08,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:46:08,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:46:08,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-16 02:46:08,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:46:08,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:46:08,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:46:08,987 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:46:08,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:46:08,988 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:46:08,988 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:46:08,988 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:46:08,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:46:08,989 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:46:08,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:46:08,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:46:08,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:46:08,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:46:08,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:46:08,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:46:08,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:46:08,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:46:08,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:46:08,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:46:08,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:46:08,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:46:08,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:46:08,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:46:08,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:46:08,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:46:08,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:46:08,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:46:08,996 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:46:08,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:46:08,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:46:08,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:46:08,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:46:08,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:46:08,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:46:08,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:46:08,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:46:08,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:46:08,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:46:08,999 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_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-16 02:46:09,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:46:09,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:46:09,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:46:09,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:46:09,319 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:46:09,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-16 02:46:09,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/ff40119f3/5e8e3128cd7a4961a870848a2e978a58/FLAGb010aecd1 [2021-10-16 02:46:09,995 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:46:09,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-16 02:46:10,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/ff40119f3/5e8e3128cd7a4961a870848a2e978a58/FLAGb010aecd1 [2021-10-16 02:46:10,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/ff40119f3/5e8e3128cd7a4961a870848a2e978a58 [2021-10-16 02:46:10,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:46:10,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:46:10,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:46:10,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:46:10,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:46:10,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:10" (1/1) ... [2021-10-16 02:46:10,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623a615a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:10, skipping insertion in model container [2021-10-16 02:46:10,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:10" (1/1) ... [2021-10-16 02:46:10,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:46:10,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:46:10,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:46:10,882 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) [2021-10-16 02:46:10,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44233b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:10, skipping insertion in model container [2021-10-16 02:46:10,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:46:10,883 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:46:10,887 INFO L168 Benchmark]: Toolchain (without parser) took 636.38 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 90.8 MB in the end (delta: -35.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:10,889 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:46:10,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.34 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.3 MB in the beginning and 90.8 MB in the end (delta: -35.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:10,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.34 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.3 MB in the beginning and 90.8 MB in the end (delta: -35.5 MB). Peak memory consumption was 14.0 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-5709675 [2021-10-16 02:46:13,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:46:13,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:46:13,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:46:13,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:46:13,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:46:13,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:46:13,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:46:13,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:46:13,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:46:13,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:46:13,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:46:13,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:46:13,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:46:13,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:46:13,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:46:13,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:46:13,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:46:13,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:46:13,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:46:13,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:46:13,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:46:13,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:46:13,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:46:13,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:46:13,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:46:13,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:46:13,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:46:13,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:46:13,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:46:13,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:46:13,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:46:13,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:46:13,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:46:13,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:46:13,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:46:13,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:46:13,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:46:13,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:46:13,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:46:13,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:46:13,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-16 02:46:13,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:46:13,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:46:13,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:46:13,469 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:46:13,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:46:13,470 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:46:13,470 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:46:13,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:46:13,471 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:46:13,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:46:13,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:46:13,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:46:13,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:46:13,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:46:13,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:46:13,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:46:13,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:46:13,476 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:46:13,476 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:46:13,476 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:46:13,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:46:13,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:46:13,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:46:13,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:46:13,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:46:13,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:46:13,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:46:13,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:46:13,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:46:13,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:46:13,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:46:13,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:46:13,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:46:13,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:46:13,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:46:13,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:46:13,480 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_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-16 02:46:13,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:46:13,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:46:13,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:46:13,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:46:13,900 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:46:13,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-16 02:46:13,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/7df8f2305/bfcbf66bf0404b4a95612a3c93d3e1aa/FLAG602c6de57 [2021-10-16 02:46:14,781 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:46:14,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-16 02:46:14,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/7df8f2305/bfcbf66bf0404b4a95612a3c93d3e1aa/FLAG602c6de57 [2021-10-16 02:46:14,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/data/7df8f2305/bfcbf66bf0404b4a95612a3c93d3e1aa [2021-10-16 02:46:14,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:46:14,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:46:14,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:46:14,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:46:14,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:46:14,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:14" (1/1) ... [2021-10-16 02:46:14,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35240d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:14, skipping insertion in model container [2021-10-16 02:46:15,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:14" (1/1) ... [2021-10-16 02:46:15,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:46:15,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:46:15,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:46:15,588 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:46:15,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:46:15,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:46:15,669 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:46:15,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:46:15,786 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:46:15,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15 WrapperNode [2021-10-16 02:46:15,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:46:15,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:46:15,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:46:15,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:46:15,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:46:15,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:46:15,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:46:15,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:46:15,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:46:15,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:46:15,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:46:15,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:46:15,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (1/1) ... [2021-10-16 02:46:15,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:46:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:46:15,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:46:15,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:46:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:46:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:46:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-16 02:46:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:46:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:46:16,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:46:16,336 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 02:46:16,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:16 BoogieIcfgContainer [2021-10-16 02:46:16,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:46:16,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:46:16,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:46:16,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:46:16,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:46:14" (1/3) ... [2021-10-16 02:46:16,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3864b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:46:16, skipping insertion in model container [2021-10-16 02:46:16,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:15" (2/3) ... [2021-10-16 02:46:16,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3864b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:46:16, skipping insertion in model container [2021-10-16 02:46:16,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:16" (3/3) ... [2021-10-16 02:46:16,351 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2021-10-16 02:46:16,357 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:46:16,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:46:16,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:46:16,423 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 [2021-10-16 02:46:16,423 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:46:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:46:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 02:46:16,451 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:46:16,452 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 02:46:16,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-16 02:46:16,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:46:16,460 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-16 02:46:16,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:46:16,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334952787] [2021-10-16 02:46:16,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:46:16,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:46:16,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:46:16,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:46:16,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:46:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:46:16,621 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:46:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:46:16,695 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:46:16,697 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:46:16,699 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-16 02:46:16,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:46:16,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:46:16,918 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:46:16,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:46:16 BoogieIcfgContainer [2021-10-16 02:46:16,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:46:16,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:46:16,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:46:16,943 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:46:16,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:16" (3/4) ... [2021-10-16 02:46:16,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:46:16,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:46:16,951 INFO L168 Benchmark]: Toolchain (without parser) took 1962.35 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 56.0 MB in the end (delta: -14.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:46:16,953 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:46:16,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.89 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 27.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:16,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 62.9 MB. Free memory was 27.6 MB in the beginning and 45.1 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:16,964 INFO L168 Benchmark]: Boogie Preprocessor took 58.02 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:46:16,965 INFO L168 Benchmark]: RCFGBuilder took 427.90 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 34.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:16,966 INFO L168 Benchmark]: TraceAbstraction took 595.28 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 56.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:46:16,967 INFO L168 Benchmark]: Witness Printer took 6.31 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 56.0 MB in the end (delta: 398.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:46:16,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 797.89 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 27.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 62.9 MB. Free memory was 27.6 MB in the beginning and 45.1 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.02 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 427.90 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 34.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 595.28 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 56.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.31 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 56.0 MB in the end (delta: 398.7 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 503.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 16.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.9ms SsaConstructionTime, 40.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:46:17,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c9c0cb-69e0-4310-b918-0a39a86fb0e4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...