./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:36:37,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:37,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:37,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:37,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:37,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:37,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:37,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:37,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:37,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:37,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:37,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:37,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:37,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:37,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:37,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:37,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:37,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:37,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:37,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:37,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:37,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:37,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:37,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:37,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:37,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:37,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:37,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:37,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:37,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:37,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:37,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:37,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:37,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:37,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:37,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:37,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:37,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:37,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:37,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:37,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:37,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-28 07:36:38,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:38,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:38,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:38,032 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:38,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:38,033 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:38,033 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:36:38,033 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:38,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:38,034 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:36:38,035 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:36:38,035 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:38,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:36:38,036 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:36:38,036 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:36:38,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:36:38,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:36:38,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:38,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:38,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:36:38,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:38,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:38,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:38,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:36:38,039 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:36:38,039 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:36:38,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:38,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:38,040 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:38,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:38,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:38,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:38,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:38,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:38,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:38,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:38,042 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:36:38,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:36:38,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:38,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:38,046 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-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-11-28 07:36:38,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:38,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:38,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:38,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:38,330 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:38,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-11-28 07:36:38,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/389f497df/ac0ad37304c54c41b81e59b0910895c4/FLAGefb376c01 [2020-11-28 07:36:39,004 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:39,005 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-11-28 07:36:39,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/389f497df/ac0ad37304c54c41b81e59b0910895c4/FLAGefb376c01 [2020-11-28 07:36:39,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/389f497df/ac0ad37304c54c41b81e59b0910895c4 [2020-11-28 07:36:39,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:39,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:39,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:39,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:39,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:39,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75863a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:39, skipping insertion in model container [2020-11-28 07:36:39,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:39,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:39,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:39,901 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) [2020-11-28 07:36:39,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2436eb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:39, skipping insertion in model container [2020-11-28 07:36:39,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:39,903 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:36:39,907 INFO L168 Benchmark]: Toolchain (without parser) took 587.10 ms. Allocated memory is still 96.5 MB. Free memory was 66.8 MB in the beginning and 69.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:39,908 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:39,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.58 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 69.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:39,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 581.58 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 69.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 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 0.2.0-a4ecdab [2020-11-28 07:36:42,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:42,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:42,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:42,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:42,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:42,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:42,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:42,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:42,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:42,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:42,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:42,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:42,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:42,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:42,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:42,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:42,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:42,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:42,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:42,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:42,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:42,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:42,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:42,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:42,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:42,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:42,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:42,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:42,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:42,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:42,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:42,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:42,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:42,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:42,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:42,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:42,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:42,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:42,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:42,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:42,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-28 07:36:42,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:42,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:42,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:42,260 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:42,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:42,261 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:42,261 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:42,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:42,261 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:42,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:36:42,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:36:42,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:42,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:42,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:36:42,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:42,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:42,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:42,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:36:42,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:36:42,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:42,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:42,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:42,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:36:42,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:42,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:42,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:42,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:42,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:42,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:36:42,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:36:42,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:42,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:42,268 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-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-11-28 07:36:42,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:42,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:42,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:42,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:42,690 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:42,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-11-28 07:36:42,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/cc5fa02e0/5d9ace070d35488eb5088169d82a2590/FLAG05999a516 [2020-11-28 07:36:43,365 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:43,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-11-28 07:36:43,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/cc5fa02e0/5d9ace070d35488eb5088169d82a2590/FLAG05999a516 [2020-11-28 07:36:43,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/bin/utaipan/data/cc5fa02e0/5d9ace070d35488eb5088169d82a2590 [2020-11-28 07:36:43,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:43,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:43,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:43,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:43,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:43,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:43" (1/1) ... [2020-11-28 07:36:43,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec2df20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:43, skipping insertion in model container [2020-11-28 07:36:43,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:43" (1/1) ... [2020-11-28 07:36:43,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:43,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:44,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,116 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:36:44,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:44,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,209 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:36:44,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,435 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:36:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44 WrapperNode [2020-11-28 07:36:44,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:44,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:44,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:36:44,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:36:44,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:44,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:36:44,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:36:44,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:36:44,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:36:44,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:36:44,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:36:44,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:36:44,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/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 [2020-11-28 07:36:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 07:36:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:36:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 07:36:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:36:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:36:45,005 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:36:45,006 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 07:36:45,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:45 BoogieIcfgContainer [2020-11-28 07:36:45,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:36:45,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:36:45,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:36:45,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:36:45,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:36:43" (1/3) ... [2020-11-28 07:36:45,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df42a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:45, skipping insertion in model container [2020-11-28 07:36:45,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (2/3) ... [2020-11-28 07:36:45,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df42a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:45, skipping insertion in model container [2020-11-28 07:36:45,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:45" (3/3) ... [2020-11-28 07:36:45,015 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2020-11-28 07:36:45,026 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:36:45,030 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:36:45,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:36:45,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:36:45,062 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 07:36:45,062 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:36:45,062 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:36:45,063 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:36:45,063 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:36:45,063 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:36:45,063 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:36:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-28 07:36:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:36:45,080 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:45,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:36:45,081 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-28 07:36:45,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:45,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2020-11-28 07:36:45,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:45,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150047357] [2020-11-28 07:36:45,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_063ef66a-d76a-41e2-af8b-8f7488447c43/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 [2020-11-28 07:36:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:36:45,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:36:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:36:45,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:36:45,262 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-28 07:36:45,262 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:36:45,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:36:45,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:36:45 BoogieIcfgContainer [2020-11-28 07:36:45,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:36:45,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:36:45,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:36:45,506 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:36:45,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:45" (3/4) ... [2020-11-28 07:36:45,522 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:36:45,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:36:45,527 INFO L168 Benchmark]: Toolchain (without parser) took 1923.60 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 41.2 MB in the beginning and 34.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:45,528 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:45,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.80 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 32.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:45,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.02 ms. Allocated memory is still 62.9 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:45,532 INFO L168 Benchmark]: Boogie Preprocessor took 47.23 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 28.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:45,538 INFO L168 Benchmark]: RCFGBuilder took 443.29 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 28.9 MB in the beginning and 52.2 MB in the end (delta: -23.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:45,539 INFO L168 Benchmark]: TraceAbstraction took 496.20 ms. Allocated memory is still 81.8 MB. Free memory was 52.2 MB in the beginning and 34.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:45,539 INFO L168 Benchmark]: Witness Printer took 18.85 ms. Allocated memory is still 81.8 MB. Free memory is still 34.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:45,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.80 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 32.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.02 ms. Allocated memory is still 62.9 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.23 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 28.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 443.29 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 28.9 MB in the beginning and 52.2 MB in the end (delta: -23.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 496.20 ms. Allocated memory is still 81.8 MB. Free memory was 52.2 MB in the beginning and 34.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 18.85 ms. Allocated memory is still 81.8 MB. Free memory is still 34.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [ldv_global_msg_list={3:0}] [L770] struct ldv_device *dev = alloc_21(); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...