./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/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 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/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 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:59,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:59,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:59,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:59,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:59,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:59,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:59,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:59,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:59,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:59,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:59,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:59,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:59,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:59,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:59,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:59,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:59,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:59,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:59,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:59,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:59,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:59,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:59,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:59,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:59,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:59,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:59,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:59,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:59,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:59,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:59,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:59,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:59,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:59,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:59,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:59,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:59,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:59,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:59,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:59,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:59,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-22 13:04:59,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:59,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:59,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:59,925 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:59,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:59,926 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:59,926 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:59,926 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:59,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:59,927 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:59,928 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:59,928 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:59,928 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:59,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:59,929 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:59,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:04:59,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:04:59,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:59,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:59,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:04:59,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:59,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:59,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:59,931 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:04:59,932 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:04:59,932 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:04:59,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:59,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:59,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:59,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:59,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:59,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:59,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:59,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:59,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:59,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:59,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:59,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:59,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:59,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:59,939 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 [2020-11-22 13:05:00,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:00,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:00,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:00,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:00,258 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:00,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2020-11-22 13:05:00,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/d45898492/cdaec66bc5f44dafbd3774d1d3d894fb/FLAG1e0dd7986 [2020-11-22 13:05:00,878 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:00,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2020-11-22 13:05:00,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/d45898492/cdaec66bc5f44dafbd3774d1d3d894fb/FLAG1e0dd7986 [2020-11-22 13:05:01,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/d45898492/cdaec66bc5f44dafbd3774d1d3d894fb [2020-11-22 13:05:01,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:01,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:01,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:01,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:01,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:01,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:01" (1/1) ... [2020-11-22 13:05:01,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57deabad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:01, skipping insertion in model container [2020-11-22 13:05:01,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:01" (1/1) ... [2020-11-22 13:05:01,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:01,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:01,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:01,675 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:05:01,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58710a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:01, skipping insertion in model container [2020-11-22 13:05:01,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:01,676 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:01,678 INFO L168 Benchmark]: Toolchain (without parser) took 509.95 ms. Allocated memory is still 107.0 MB. Free memory was 78.0 MB in the beginning and 79.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:01,679 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:01,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.57 ms. Allocated memory is still 107.0 MB. Free memory was 77.7 MB in the beginning and 79.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:01,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.57 ms. Allocated memory is still 107.0 MB. Free memory was 77.7 MB in the beginning and 79.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:03,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:03,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:03,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:03,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:03,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:03,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:03,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:03,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:03,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:03,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:03,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:03,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:03,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:03,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:03,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:03,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:03,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:04,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:04,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:04,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:04,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:04,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:04,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:04,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:04,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:04,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:04,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:04,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:04,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:04,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:04,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:04,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:04,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:04,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:04,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:04,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:04,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:04,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:04,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:04,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:04,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:04,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:04,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:04,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:04,092 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:04,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:04,093 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:04,093 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:04,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:04,094 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:04,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:05:04,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:05:04,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:04,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:04,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:05:04,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:04,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:04,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:04,098 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:05:04,098 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:05:04,098 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:05:04,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:04,099 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:04,099 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:04,099 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:04,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:04,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:04,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:04,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:04,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:04,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:04,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:04,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:04,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:04,114 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:04,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:04,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:04,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:04,115 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b7de5eaae737cf5933c0ed724f06a9bb1fdeae2 [2020-11-22 13:05:04,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:04,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:04,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:04,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:04,495 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:04,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2020-11-22 13:05:04,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/8cba13cca/50016ef2851d405faea7c3a543d3375e/FLAG3dcade348 [2020-11-22 13:05:05,167 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:05,167 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2020-11-22 13:05:05,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/8cba13cca/50016ef2851d405faea7c3a543d3375e/FLAG3dcade348 [2020-11-22 13:05:05,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/data/8cba13cca/50016ef2851d405faea7c3a543d3375e [2020-11-22 13:05:05,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:05,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:05,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:05,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:05,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:05,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:05" (1/1) ... [2020-11-22 13:05:05,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2015ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:05, skipping insertion in model container [2020-11-22 13:05:05,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:05" (1/1) ... [2020-11-22 13:05:05,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:05,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:05,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:05,987 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:06,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:06,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:06,090 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:06,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:06,294 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:06,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06 WrapperNode [2020-11-22 13:05:06,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:06,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:06,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:06,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:06,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:06,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:06,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:06,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:06,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:06,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:06,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:06,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:06,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 13:05:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-22 13:05:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:06,814 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:06,814 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-22 13:05:06,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:06 BoogieIcfgContainer [2020-11-22 13:05:06,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:06,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:06,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:06,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:06,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:05" (1/3) ... [2020-11-22 13:05:06,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526656c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:06, skipping insertion in model container [2020-11-22 13:05:06,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06" (2/3) ... [2020-11-22 13:05:06,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526656c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:06, skipping insertion in model container [2020-11-22 13:05:06,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:06" (3/3) ... [2020-11-22 13:05:06,824 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-1.i [2020-11-22 13:05:06,834 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:06,838 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:05:06,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:05:06,881 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:06,882 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-22 13:05:06,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:06,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:06,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:06,882 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:06,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:06,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-11-22 13:05:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-22 13:05:06,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:06,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-22 13:05:06,903 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-22 13:05:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:06,909 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2020-11-22 13:05:06,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:06,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524609747] [2020-11-22 13:05:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85926737-5820-4907-a4ba-5f74f2372235/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:07,056 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:07,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:07,120 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:05:07,121 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:05:07,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:07,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:07 BoogieIcfgContainer [2020-11-22 13:05:07,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:07,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:07,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:07,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:07,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:06" (3/4) ... [2020-11-22 13:05:07,365 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:05:07,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:07,369 INFO L168 Benchmark]: Toolchain (without parser) took 1872.96 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.1 MB in the beginning and 27.8 MB in the end (delta: -1.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,370 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:07,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.08 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 25.9 MB in the beginning and 39.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.85 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 37.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,374 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 67.1 MB. Free memory was 37.2 MB in the beginning and 36.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,376 INFO L168 Benchmark]: RCFGBuilder took 434.56 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 45.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,379 INFO L168 Benchmark]: TraceAbstraction took 541.65 ms. Allocated memory is still 67.1 MB. Free memory was 44.6 MB in the beginning and 28.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:07,380 INFO L168 Benchmark]: Witness Printer took 5.56 ms. Allocated memory is still 67.1 MB. Free memory was 28.2 MB in the beginning and 27.8 MB in the end (delta: 385.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:07,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 799.08 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 25.9 MB in the beginning and 39.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.85 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 37.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 67.1 MB. Free memory was 37.2 MB in the beginning and 36.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 434.56 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 45.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 541.65 ms. Allocated memory is still 67.1 MB. Free memory was 44.6 MB in the beginning and 28.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.56 ms. Allocated memory is still 67.1 MB. Free memory was 28.2 MB in the beginning and 27.8 MB in the end (delta: 385.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. 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, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...