./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ........................................................................................................................................ 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_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ............................................................................................................................................................................................................................................. 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 12:54:54,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:54:54,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:54:54,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:54:54,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:54:54,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:54:54,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:54:54,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:54:54,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:54:54,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:54:54,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:54:54,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:54:54,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:54:54,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:54:54,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:54:54,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:54:54,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:54:54,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:54:54,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:54:54,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:54:54,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:54:54,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:54:54,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:54:54,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:54:55,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:54:55,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:54:55,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:54:55,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:54:55,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:54:55,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:54:55,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:54:55,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:54:55,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:54:55,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:54:55,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:54:55,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:54:55,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:54:55,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:54:55,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:54:55,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:54:55,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:54:55,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 12:54:55,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:54:55,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:54:55,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:54:55,017 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:54:55,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:54:55,018 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:54:55,018 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:54:55,019 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:54:55,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:54:55,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:54:55,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:54:55,019 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:54:55,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:54:55,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:54:55,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:54:55,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:54:55,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:54:55,021 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:54:55,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:54:55,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:54:55,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:54:55,022 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_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2019-12-07 12:54:55,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:54:55,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:54:55,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:54:55,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:54:55,132 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:54:55,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2019-12-07 12:54:55,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/5181a2dbc/ad280fe5ed7f4a0c96cdf11ba0212715/FLAG4b5bf8f9e [2019-12-07 12:54:55,630 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:54:55,631 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2019-12-07 12:54:55,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/5181a2dbc/ad280fe5ed7f4a0c96cdf11ba0212715/FLAG4b5bf8f9e [2019-12-07 12:54:56,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/5181a2dbc/ad280fe5ed7f4a0c96cdf11ba0212715 [2019-12-07 12:54:56,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:54:56,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:54:56,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:54:56,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:54:56,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:54:56,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:56" (1/1) ... [2019-12-07 12:54:56,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e1b43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:56, skipping insertion in model container [2019-12-07 12:54:56,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:56" (1/1) ... [2019-12-07 12:54:56,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:54:56,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:54:56,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:54:56,463 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 12:54:56,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cfb898c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:56, skipping insertion in model container [2019-12-07 12:54:56,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:54:56,463 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:54:56,465 INFO L168 Benchmark]: Toolchain (without parser) took 307.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:56,465 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:54:56,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:56,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 22.5 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 12:54:57,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:54:57,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:54:57,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:54:57,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:54:57,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:54:57,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:54:57,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:54:57,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:54:57,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:54:57,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:54:57,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:54:57,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:54:57,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:54:57,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:54:57,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:54:57,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:54:57,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:54:57,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:54:57,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:54:57,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:54:57,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:54:57,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:54:57,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:54:57,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:54:57,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:54:57,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:54:57,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:54:57,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:54:57,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:54:57,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:54:57,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:54:57,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:54:57,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:54:57,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:54:57,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:54:57,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:54:57,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:54:57,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:54:57,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:54:57,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:54:57,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 12:54:57,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:54:57,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:54:57,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:54:57,641 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:54:57,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:54:57,642 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:54:57,642 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:54:57,642 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:54:57,642 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:54:57,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:54:57,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:54:57,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:54:57,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:54:57,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:54:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:54:57,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:54:57,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:54:57,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:54:57,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:54:57,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:54:57,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:54:57,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:54:57,646 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:54:57,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:54:57,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:54:57,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:54:57,647 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_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2019-12-07 12:54:57,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:54:57,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:54:57,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:54:57,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:54:57,822 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:54:57,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2019-12-07 12:54:57,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/799608015/14bac5ef5f954a5e87e4cf844a1efebd/FLAGcb04dce23 [2019-12-07 12:54:58,335 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:54:58,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2019-12-07 12:54:58,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/799608015/14bac5ef5f954a5e87e4cf844a1efebd/FLAGcb04dce23 [2019-12-07 12:54:58,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/bin/utaipan/data/799608015/14bac5ef5f954a5e87e4cf844a1efebd [2019-12-07 12:54:58,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:54:58,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:54:58,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:54:58,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:54:58,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:54:58,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231d58f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58, skipping insertion in model container [2019-12-07 12:54:58,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:54:58,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:54:58,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:54:58,651 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:54:58,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:54:58,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:54:58,696 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:54:58,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:54:58,780 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:54:58,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58 WrapperNode [2019-12-07 12:54:58,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:54:58,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:54:58,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:54:58,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:54:58,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:54:58,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:54:58,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:54:58,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:54:58,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... [2019-12-07 12:54:58,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:54:58,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:54:58,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:54:58,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:54:58,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 12:54:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:54:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:54:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 12:54:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:54:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:54:59,010 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:54:59,010 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 12:54:59,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:54:59 BoogieIcfgContainer [2019-12-07 12:54:59,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:54:59,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:54:59,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:54:59,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:54:59,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:54:58" (1/3) ... [2019-12-07 12:54:59,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caa575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:54:59, skipping insertion in model container [2019-12-07 12:54:59,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:58" (2/3) ... [2019-12-07 12:54:59,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caa575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:54:59, skipping insertion in model container [2019-12-07 12:54:59,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:54:59" (3/3) ... [2019-12-07 12:54:59,018 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2019-12-07 12:54:59,024 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:54:59,029 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:54:59,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:54:59,048 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:54:59,048 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 12:54:59,048 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:54:59,049 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:54:59,049 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:54:59,049 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:54:59,049 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:54:59,049 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:54:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 12:54:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 12:54:59,061 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:54:59,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:54:59,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-12-07 12:54:59,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:54:59,066 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2019-12-07 12:54:59,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:54:59,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47691122] [2019-12-07 12:54:59,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70cbf892-1ad4-4555-9b5b-917edb5b8825/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 12:54:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:54:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:54:59,169 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 12:54:59,169 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:54:59,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:54:59,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:54:59 BoogieIcfgContainer [2019-12-07 12:54:59,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:54:59,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:54:59,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:54:59,394 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:54:59,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:54:59" (3/4) ... [2019-12-07 12:54:59,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:54:59,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:54:59,403 INFO L168 Benchmark]: Toolchain (without parser) took 1044.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.7 MB in the beginning and 1.0 GB in the end (delta: -74.4 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:59,404 INFO L168 Benchmark]: CDTParser took 0.16 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 12:54:59,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:59,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:59,406 INFO L168 Benchmark]: Boogie Preprocessor took 16.49 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 12:54:59,407 INFO L168 Benchmark]: RCFGBuilder took 179.08 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:59,408 INFO L168 Benchmark]: TraceAbstraction took 380.94 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:54:59,408 INFO L168 Benchmark]: Witness Printer took 6.57 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 12:54:59,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 423.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.49 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 179.08 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 380.94 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.57 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 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=9occurred 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...