./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_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_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/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 304ad22bf348771f128136f36ea0b40ed8a676a7 ........................................................................................................................................ 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_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/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 304ad22bf348771f128136f36ea0b40ed8a676a7 ................................................................................................................................................................................................................................................... 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 11:49:15,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:15,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:15,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:15,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:15,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:15,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:15,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:15,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:15,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:15,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:15,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:15,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:15,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:15,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:15,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:15,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:15,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:15,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:15,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:15,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:15,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:15,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:15,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:15,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:15,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:15,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:15,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:15,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:15,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:15,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:15,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:15,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:15,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:15,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:15,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:15,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:15,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:15,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:15,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:15,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:15,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 11:49:15,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:15,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:15,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:15,470 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:15,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:15,470 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:15,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:49:15,471 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:15,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:15,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:49:15,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:49:15,471 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:15,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:49:15,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:49:15,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:49:15,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:49:15,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:49:15,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:15,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:15,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:49:15,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 11:49:15,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:15,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:15,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:15,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:15,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:15,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:15,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:15,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:15,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:15,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:49:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:49:15,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:15,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:15,477 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_bdaed28c-0293-4ee0-85c1-4765781b1136/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 -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2019-12-07 11:49:15,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:15,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:15,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:15,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:15,605 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:15,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2019-12-07 11:49:15,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/6687f8229/3a5619e86c2e4babb682a0c143f822ff/FLAG414859a21 [2019-12-07 11:49:16,125 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:16,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2019-12-07 11:49:16,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/6687f8229/3a5619e86c2e4babb682a0c143f822ff/FLAG414859a21 [2019-12-07 11:49:16,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/6687f8229/3a5619e86c2e4babb682a0c143f822ff [2019-12-07 11:49:16,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:16,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:16,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:16,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:16,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:16,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bedac38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16, skipping insertion in model container [2019-12-07 11:49:16,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:16,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:16,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:16,939 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 11:49:16,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@208cc9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16, skipping insertion in model container [2019-12-07 11:49:16,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:16,940 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:49:16,941 INFO L168 Benchmark]: Toolchain (without parser) took 310.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:16,942 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 953.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:16,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:16,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 953.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 21.7 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 11:49:18,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:18,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:18,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:18,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:18,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:18,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:18,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:18,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:18,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:18,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:18,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:18,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:18,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:18,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:18,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:18,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:18,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:18,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:18,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:18,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:18,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:18,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:18,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:18,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:18,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:18,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:18,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:18,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:18,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:18,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:18,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:18,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:18,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:18,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:18,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:18,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:18,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:18,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:18,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:18,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:18,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 11:49:18,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:18,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:18,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:18,113 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:18,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:18,113 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:18,113 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:18,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:18,114 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:18,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:49:18,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:49:18,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 11:49:18,115 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:18,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:18,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:18,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:49:18,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:18,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:18,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:18,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:18,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:18,118 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:49:18,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:49:18,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:18,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:18,118 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_bdaed28c-0293-4ee0-85c1-4765781b1136/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 -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2019-12-07 11:49:18,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:18,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:18,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:18,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:18,303 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:18,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2019-12-07 11:49:18,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/1b9fd607c/004e2827bbf84cde8adafa961fe0e95e/FLAGd2c3825bd [2019-12-07 11:49:18,804 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:18,805 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2019-12-07 11:49:18,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/1b9fd607c/004e2827bbf84cde8adafa961fe0e95e/FLAGd2c3825bd [2019-12-07 11:49:18,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/bin/utaipan/data/1b9fd607c/004e2827bbf84cde8adafa961fe0e95e [2019-12-07 11:49:18,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:18,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:18,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:18,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:18,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:18,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,832 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 11:49:18, skipping insertion in model container [2019-12-07 11:49:18,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:18,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:19,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:19,128 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:49:19,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:19,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:19,175 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:19,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:19,261 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:19,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19 WrapperNode [2019-12-07 11:49:19,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:19,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:19,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:19,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:19,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:19,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:19,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:19,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:19,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... [2019-12-07 11:49:19,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:19,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:19,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:19,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:19,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/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 11:49:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 11:49:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:49:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 11:49:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:19,493 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:19,493 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 11:49:19,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19 BoogieIcfgContainer [2019-12-07 11:49:19,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:19,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:19,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:19,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:19,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:18" (1/3) ... [2019-12-07 11:49:19,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b02913f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:19, skipping insertion in model container [2019-12-07 11:49:19,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:19" (2/3) ... [2019-12-07 11:49:19,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b02913f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:19, skipping insertion in model container [2019-12-07 11:49:19,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19" (3/3) ... [2019-12-07 11:49:19,501 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2019-12-07 11:49:19,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:19,511 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:49:19,518 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:49:19,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:19,531 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 11:49:19,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:19,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:19,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:19,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:19,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:19,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 11:49:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 11:49:19,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:19,545 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 11:49:19,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2019-12-07 11:49:19,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:49:19,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739122392] [2019-12-07 11:49:19,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdaed28c-0293-4ee0-85c1-4765781b1136/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 11:49:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:19,645 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 11:49:19,646 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:49:19,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:49:19,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:19 BoogieIcfgContainer [2019-12-07 11:49:19,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:19,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:19,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:19,883 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:19,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19" (3/4) ... [2019-12-07 11:49:19,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:49:19,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:19,892 INFO L168 Benchmark]: Toolchain (without parser) took 1064.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -79.6 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:19,893 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 11:49:19,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:19,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:19,895 INFO L168 Benchmark]: Boogie Preprocessor took 16.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:19,896 INFO L168 Benchmark]: RCFGBuilder took 180.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:19,897 INFO L168 Benchmark]: TraceAbstraction took 387.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:19,897 INFO L168 Benchmark]: Witness Printer took 7.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:19,900 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 433.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 180.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 387.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [a9={0:0}, ldv_global_msg_list={3:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [a9={1:0}, ldv_global_msg_list={3:0}] [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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, 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...