./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ............................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:33:51,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:33:51,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:33:51,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:33:51,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:33:51,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:33:51,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:33:51,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:33:51,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:33:51,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:33:51,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:33:51,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:33:51,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:33:51,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:33:51,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:33:51,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:33:51,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:33:51,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:33:51,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:33:51,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:33:51,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:33:51,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:33:51,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:33:51,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:33:51,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:33:51,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:33:51,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:33:51,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:33:51,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:33:51,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:33:51,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:33:51,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:33:51,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:33:51,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:33:51,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:33:51,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:33:51,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:33:51,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:33:51,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:33:51,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:33:51,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:33:51,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 13:33:51,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:33:51,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:33:51,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:33:51,884 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:33:51,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:33:51,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:33:51,886 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:33:51,886 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:33:51,886 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:33:51,886 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:33:51,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:33:51,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:33:51,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:33:51,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:33:51,888 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:33:51,889 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:33:51,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:33:51,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:33:51,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:33:51,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:33:51,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:33:51,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:33:51,890 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2019-12-07 13:33:51,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:33:52,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:33:52,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:33:52,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:33:52,007 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:33:52,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2019-12-07 13:33:52,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/31ecaa01c/9e175905c93842e9874416d040b7682a/FLAGdd0740327 [2019-12-07 13:33:52,520 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:33:52,520 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2019-12-07 13:33:52,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/31ecaa01c/9e175905c93842e9874416d040b7682a/FLAGdd0740327 [2019-12-07 13:33:52,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/31ecaa01c/9e175905c93842e9874416d040b7682a [2019-12-07 13:33:52,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:33:52,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:33:52,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:33:52,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:33:52,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:33:52,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:52" (1/1) ... [2019-12-07 13:33:52,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d34426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:52, skipping insertion in model container [2019-12-07 13:33:52,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:52" (1/1) ... [2019-12-07 13:33:52,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:33:52,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:33:52,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:33:52,839 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) [2019-12-07 13:33:52,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73dac9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:52, skipping insertion in model container [2019-12-07 13:33:52,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:33:52,840 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:33:52,842 INFO L168 Benchmark]: Toolchain (without parser) took 296.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:52,842 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:33:52,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:52,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 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 0.1.25-f470102 [2019-12-07 13:33:53,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:33:53,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:33:53,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:33:53,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:33:53,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:33:53,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:33:53,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:33:53,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:33:53,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:33:53,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:33:53,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:33:53,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:33:53,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:33:53,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:33:53,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:33:53,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:33:53,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:33:53,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:33:53,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:33:53,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:33:53,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:33:53,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:33:53,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:33:53,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:33:53,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:33:53,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:33:53,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:33:53,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:33:53,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:33:53,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:33:53,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:33:53,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:33:53,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:33:53,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:33:53,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:33:53,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:33:53,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:33:53,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:33:53,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:33:53,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:33:53,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 13:33:54,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:33:54,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:33:54,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:33:54,004 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:33:54,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:33:54,004 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:33:54,004 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:33:54,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:33:54,005 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:33:54,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:33:54,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:33:54,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:33:54,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:33:54,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:33:54,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:33:54,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:33:54,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:33:54,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:33:54,008 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:33:54,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:33:54,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:33:54,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:33:54,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:33:54,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:33:54,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:33:54,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:33:54,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:33:54,010 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2019-12-07 13:33:54,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:33:54,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:33:54,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:33:54,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:33:54,194 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:33:54,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2019-12-07 13:33:54,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/bdd6c511e/9ccdcf1743974e5282d802e8c01358ab/FLAG35066aaaf [2019-12-07 13:33:54,604 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:33:54,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2019-12-07 13:33:54,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/bdd6c511e/9ccdcf1743974e5282d802e8c01358ab/FLAG35066aaaf [2019-12-07 13:33:54,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/data/bdd6c511e/9ccdcf1743974e5282d802e8c01358ab [2019-12-07 13:33:54,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:33:54,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:33:54,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:33:54,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:33:54,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:33:54,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:54" (1/1) ... [2019-12-07 13:33:54,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5dd555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:54, skipping insertion in model container [2019-12-07 13:33:54,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:54" (1/1) ... [2019-12-07 13:33:54,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:33:54,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:33:54,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:33:54,921 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:33:54,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:33:54,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:33:54,968 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:33:55,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:33:55,053 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:33:55,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55 WrapperNode [2019-12-07 13:33:55,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:33:55,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:33:55,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:33:55,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:33:55,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:33:55,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:33:55,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:33:55,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:33:55,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... [2019-12-07 13:33:55,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:33:55,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:33:55,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:33:55,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:33:55,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:33:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:33:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:33:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:33:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:33:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:33:55,285 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:33:55,285 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 13:33:55,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:55 BoogieIcfgContainer [2019-12-07 13:33:55,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:33:55,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:33:55,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:33:55,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:33:55,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:33:54" (1/3) ... [2019-12-07 13:33:55,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808fd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:33:55, skipping insertion in model container [2019-12-07 13:33:55,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:55" (2/3) ... [2019-12-07 13:33:55,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808fd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:33:55, skipping insertion in model container [2019-12-07 13:33:55,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:55" (3/3) ... [2019-12-07 13:33:55,293 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2019-12-07 13:33:55,300 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:33:55,304 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:33:55,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:33:55,325 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:33:55,325 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 13:33:55,325 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:33:55,325 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:33:55,325 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:33:55,325 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:33:55,325 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:33:55,325 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:33:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 13:33:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 13:33:55,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:33:55,339 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 13:33:55,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 13:33:55,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:33:55,344 INFO L82 PathProgramCache]: Analyzing trace with hash 28702702, now seen corresponding path program 1 times [2019-12-07 13:33:55,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:33:55,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064242330] [2019-12-07 13:33:55,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:33:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:33:55,405 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:33:55,408 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:33:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:33:55,425 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:33:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:33:55,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064242330] [2019-12-07 13:33:55,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:33:55,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:33:55,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810761224] [2019-12-07 13:33:55,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:33:55,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:33:55,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:33:55,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:33:55,447 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-12-07 13:33:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:33:55,473 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-12-07 13:33:55,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:33:55,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 13:33:55,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:33:55,483 INFO L225 Difference]: With dead ends: 13 [2019-12-07 13:33:55,484 INFO L226 Difference]: Without dead ends: 8 [2019-12-07 13:33:55,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:33:55,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-07 13:33:55,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 13:33:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 13:33:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2019-12-07 13:33:55,508 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 5 [2019-12-07 13:33:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:33:55,509 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2019-12-07 13:33:55,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:33:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-12-07 13:33:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 13:33:55,509 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:33:55,509 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:33:55,710 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:33:55,711 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 13:33:55,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:33:55,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1804936617, now seen corresponding path program 1 times [2019-12-07 13:33:55,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:33:55,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339165621] [2019-12-07 13:33:55,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8d65716-b176-4c31-a7a7-ce34b309ba39/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:33:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:33:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:33:55,877 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:33:55,877 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:33:56,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:33:56,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:33:56 BoogieIcfgContainer [2019-12-07 13:33:56,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:33:56,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:33:56,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:33:56,113 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:33:56,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:55" (3/4) ... [2019-12-07 13:33:56,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:33:56,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:33:56,122 INFO L168 Benchmark]: Toolchain (without parser) took 1493.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.7 MB in the beginning and 982.2 MB in the end (delta: -36.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:56,123 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:33:56,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:56,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:56,126 INFO L168 Benchmark]: Boogie Preprocessor took 16.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:33:56,127 INFO L168 Benchmark]: RCFGBuilder took 180.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:56,128 INFO L168 Benchmark]: TraceAbstraction took 823.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 982.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:33:56,128 INFO L168 Benchmark]: Witness Printer took 6.93 ms. Allocated memory is still 1.1 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:33:56,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 180.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 823.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 982.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.93 ms. Allocated memory is still 1.1 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L768] int condition = __VERIFIER_nondet_int(); [L761] COND TRUE \read(condition) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [ldv_global_msg_list={3:0}] [L769] struct A16 *p = alloc_16(condition); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request...