./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI --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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI --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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:41,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:41,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:41,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:41,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:41,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:41,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:41,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:41,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:41,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:41,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:41,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:41,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:41,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:41,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:41,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:41,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:41,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:41,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:41,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:41,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:41,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:41,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:41,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:41,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:41,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:41,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:41,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:41,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:41,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:41,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:41,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:41,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:41,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:41,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:41,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:41,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:41,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:41,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:41,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:41,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:41,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:28:41,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:41,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:41,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:41,999 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:42,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:42,000 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:42,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:42,000 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:42,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:42,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:42,002 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:42,002 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:42,003 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:42,003 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:42,003 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:42,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:28:42,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:28:42,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:42,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:42,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:28:42,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:42,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:42,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:42,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:28:42,014 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:28:42,014 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:28:42,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:42,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:42,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:42,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:42,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:42,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:42,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:42,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:42,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:42,019 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:42,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:42,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:42,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:42,020 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_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-10-11 02:28:42,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:42,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:42,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:42,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:42,306 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:42,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-11 02:28:42,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/6a01e8da9/483a05e2e76f4aa18f72c63988a36d73/FLAGd79596d59 [2021-10-11 02:28:42,968 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:42,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-11 02:28:42,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/6a01e8da9/483a05e2e76f4aa18f72c63988a36d73/FLAGd79596d59 [2021-10-11 02:28:43,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/6a01e8da9/483a05e2e76f4aa18f72c63988a36d73 [2021-10-11 02:28:43,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:43,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:43,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:43,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:43,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:43,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:43" (1/1) ... [2021-10-11 02:28:43,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e6ef04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:43, skipping insertion in model container [2021-10-11 02:28:43,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:43" (1/1) ... [2021-10-11 02:28:43,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:43,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:43,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:43,869 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) [2021-10-11 02:28:43,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@689a667e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:43, skipping insertion in model container [2021-10-11 02:28:43,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:43,872 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:43,876 INFO L168 Benchmark]: Toolchain (without parser) took 656.81 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.8 MB in the beginning and 74.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:43,878 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:43,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.74 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.6 MB in the beginning and 74.1 MB in the end (delta: -25.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:43,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.2 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.74 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.6 MB in the beginning and 74.1 MB in the end (delta: -25.5 MB). Peak memory consumption was 12.6 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 0.2.0-7b2dab5 [2021-10-11 02:28:46,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:46,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:46,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:46,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:46,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:46,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:46,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:46,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:46,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:46,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:46,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:46,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:46,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:46,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:46,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:46,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:46,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:46,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:46,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:46,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:46,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:46,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:46,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:46,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:46,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:46,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:46,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:46,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:46,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:46,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:46,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:46,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:46,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:46,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:46,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:46,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:46,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:46,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:46,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:46,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:46,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:46,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:46,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:46,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:46,404 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:46,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:46,404 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:46,404 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:46,405 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:46,405 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:46,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:28:46,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:28:46,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:46,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:46,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:28:46,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:46,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:46,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:46,409 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:28:46,409 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:28:46,409 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:28:46,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:46,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:46,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:46,410 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:46,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:46,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:46,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:46,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:46,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:46,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:46,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:46,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:46,412 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:46,413 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:46,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:46,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:46,414 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_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-10-11 02:28:46,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:46,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:46,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:46,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:46,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:46,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-11 02:28:46,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/3d5f74728/b979c976e36e498283840263004b3c79/FLAGd7a489f5a [2021-10-11 02:28:47,469 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:47,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-10-11 02:28:47,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/3d5f74728/b979c976e36e498283840263004b3c79/FLAGd7a489f5a [2021-10-11 02:28:47,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/data/3d5f74728/b979c976e36e498283840263004b3c79 [2021-10-11 02:28:47,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:47,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:47,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:47,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:47,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:47,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:47" (1/1) ... [2021-10-11 02:28:47,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d9af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:47, skipping insertion in model container [2021-10-11 02:28:47,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:47" (1/1) ... [2021-10-11 02:28:47,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:47,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:48,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:48,337 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:48,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:48,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:48,422 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:48,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:48,622 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:48,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48 WrapperNode [2021-10-11 02:28:48,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:48,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:48,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:48,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:48,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:48,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:48,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:48,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:48,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:48,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:48,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:48,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:48,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:28:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:28:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:28:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:49,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:49,109 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:28:49,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:49 BoogieIcfgContainer [2021-10-11 02:28:49,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:49,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:49,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:49,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:49,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:47" (1/3) ... [2021-10-11 02:28:49,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efed3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:49, skipping insertion in model container [2021-10-11 02:28:49,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48" (2/3) ... [2021-10-11 02:28:49,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efed3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:49, skipping insertion in model container [2021-10-11 02:28:49,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:49" (3/3) ... [2021-10-11 02:28:49,119 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2021-10-11 02:28:49,148 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:49,151 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:28:49,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:28:49,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:49,213 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:28:49,213 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:49,213 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:49,213 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:49,214 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:49,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:49,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2021-10-11 02:28:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:28:49,244 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:49,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:49,246 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2021-10-11 02:28:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:49,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965640, now seen corresponding path program 1 times [2021-10-11 02:28:49,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:49,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918762427] [2021-10-11 02:28:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1443a115-a6c8-4636-96c4-21a8c9b803c9/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:28:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:49,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:49,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:49,533 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:28:49,534 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:49,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:49,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:49 BoogieIcfgContainer [2021-10-11 02:28:49,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:49,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:49,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:49,777 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:49,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:49" (3/4) ... [2021-10-11 02:28:49,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:28:49,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:49,784 INFO L168 Benchmark]: Toolchain (without parser) took 2021.19 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 37.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 256.1 kB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,784 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:49,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.17 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 42.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.03 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 40.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,787 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 39.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,788 INFO L168 Benchmark]: RCFGBuilder took 407.86 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 39.7 MB in the end (delta: -349.9 kB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,789 INFO L168 Benchmark]: TraceAbstraction took 663.73 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 37.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,789 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 62.9 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 306.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:49,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 860.17 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 42.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.03 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 40.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 39.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 407.86 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 39.7 MB in the end (delta: -349.9 kB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 663.73 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 37.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 62.9 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 306.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. 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)); [L759] return 0; VAL [ldv_global_msg_list={3:0}] [L767] int *p = f5(); [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, 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=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...