./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.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_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddfce359b3d8de0c5be1f8bf63d3270573e58c63 .................................................................................................................................. 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_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddfce359b3d8de0c5be1f8bf63d3270573e58c63 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:09:48,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:48,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:48,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:48,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:48,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:48,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:48,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:48,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:48,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:48,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:48,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:48,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:48,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:48,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:48,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:48,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:48,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:48,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:48,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:48,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:48,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:48,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:48,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:48,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:48,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:48,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:48,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:48,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:48,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:48,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:48,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:48,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:48,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:48,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:48,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:48,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:48,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:48,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:48,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:48,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:48,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 03:09:48,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:48,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:48,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:48,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:48,968 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:48,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:48,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:48,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:09:48,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:48,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:48,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:48,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:09:48,973 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:09:48,973 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:09:48,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:48,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:09:48,974 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:48,975 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:48,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:48,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:48,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:48,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:48,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:48,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:48,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:48,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:48,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:09:48,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:48,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-28 03:09:49,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:49,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:49,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:49,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:49,377 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:49,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-28 03:09:49,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/aac7bf4ea/d4db13344c5746f0a1ad42d5b8ba1bba/FLAG25de4ffe1 [2020-11-28 03:09:50,167 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:50,168 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-28 03:09:50,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/aac7bf4ea/d4db13344c5746f0a1ad42d5b8ba1bba/FLAG25de4ffe1 [2020-11-28 03:09:50,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/aac7bf4ea/d4db13344c5746f0a1ad42d5b8ba1bba [2020-11-28 03:09:50,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:50,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:09:50,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:50,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:50,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:50,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:50" (1/1) ... [2020-11-28 03:09:50,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5f594f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:50, skipping insertion in model container [2020-11-28 03:09:50,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:50" (1/1) ... [2020-11-28 03:09:50,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:50,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:51,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:51,123 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-28 03:09:51,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c72bc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:51, skipping insertion in model container [2020-11-28 03:09:51,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:51,125 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:09:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 721.71 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 39.3 MB in the beginning and 71.4 MB in the end (delta: -32.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:51,132 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 75.5 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:51,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.55 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 71.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:51,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 75.5 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.55 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 71.4 MB in the end (delta: -32.3 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 [2020-11-28 03:09:53,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:53,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:54,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:54,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:54,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:54,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:54,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:54,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:54,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:54,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:54,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:54,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:54,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:54,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:54,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:54,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:54,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:54,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:54,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:54,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:54,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:54,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:54,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:54,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:54,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:54,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:54,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:54,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:54,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:54,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:54,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:54,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:54,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:54,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:54,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:54,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:54,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:54,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:54,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:54,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:54,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 03:09:54,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:54,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:54,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:54,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:54,251 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:54,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:54,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:54,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:09:54,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:54,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:54,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:54,254 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:09:54,255 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:09:54,255 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:09:54,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:54,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:09:54,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:09:54,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:09:54,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:54,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:54,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:54,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:54,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:54,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:54,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:54,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:54,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:54,259 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:09:54,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:09:54,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:54,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:09:54,260 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_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-28 03:09:54,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:54,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:54,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:54,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:54,810 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:54,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-28 03:09:54,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/dd39b139b/e48321abd5fb4cbd80af21b89e140dc4/FLAGa56dbd842 [2020-11-28 03:09:55,674 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:55,675 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-28 03:09:55,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/dd39b139b/e48321abd5fb4cbd80af21b89e140dc4/FLAGa56dbd842 [2020-11-28 03:09:55,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/data/dd39b139b/e48321abd5fb4cbd80af21b89e140dc4 [2020-11-28 03:09:55,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:55,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:09:55,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:55,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:55,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:55,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:55" (1/1) ... [2020-11-28 03:09:55,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618e8688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:55, skipping insertion in model container [2020-11-28 03:09:55,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:55" (1/1) ... [2020-11-28 03:09:55,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:56,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:56,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:56,684 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 03:09:56,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:56,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:56,787 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:56,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:57,037 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:57,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57 WrapperNode [2020-11-28 03:09:57,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:57,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:57,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:57,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:57,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... [2020-11-28 03:09:57,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:57,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:57,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:57,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:57,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 03:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 03:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 03:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 03:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 03:09:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 03:09:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-28 03:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-28 03:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-28 03:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-28 03:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-28 03:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-28 03:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-28 03:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-28 03:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-28 03:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-28 03:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-28 03:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-28 03:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-28 03:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-28 03:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-28 03:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-28 03:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-28 03:09:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-28 03:09:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-28 03:09:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-11-28 03:09:57,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-28 03:09:57,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-28 03:09:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-28 03:09:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 03:09:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 03:09:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 03:09:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 03:09:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 03:09:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 03:09:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 03:09:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 03:09:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 03:09:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 03:09:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 03:09:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 03:09:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 03:09:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 03:09:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 03:09:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 03:09:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 03:09:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 03:09:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 03:09:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 03:09:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 03:09:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 03:09:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 03:09:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 03:09:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 03:09:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 03:09:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 03:09:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 03:09:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 03:09:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 03:09:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 03:09:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 03:09:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 03:09:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 03:09:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 03:09:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 03:09:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 03:09:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 03:09:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 03:09:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 03:09:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 03:09:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 03:09:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 03:09:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 03:09:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 03:09:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 03:09:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 03:09:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 03:09:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 03:09:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 03:09:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 03:09:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 03:09:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-28 03:09:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:09:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-28 03:09:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-28 03:09:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-28 03:09:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-28 03:09:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-28 03:09:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-28 03:09:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-28 03:09:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-28 03:09:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-28 03:09:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-11-28 03:09:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 03:09:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:09:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-28 03:09:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-28 03:09:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-28 03:09:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-28 03:09:58,117 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:09:58,641 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:09:59,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:59,195 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-28 03:09:59,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:59 BoogieIcfgContainer [2020-11-28 03:09:59,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:59,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:09:59,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:09:59,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:09:59,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:55" (1/3) ... [2020-11-28 03:09:59,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e20d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:59, skipping insertion in model container [2020-11-28 03:09:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:57" (2/3) ... [2020-11-28 03:09:59,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e20d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:59, skipping insertion in model container [2020-11-28 03:09:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:59" (3/3) ... [2020-11-28 03:09:59,214 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2020-11-28 03:09:59,230 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:09:59,238 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-11-28 03:09:59,254 INFO L253 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-11-28 03:09:59,292 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:09:59,293 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 03:09:59,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:09:59,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:59,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:59,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:09:59,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:59,294 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:09:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-11-28 03:09:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:09:59,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:59,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:59,336 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:09:59,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:59,346 INFO L82 PathProgramCache]: Analyzing trace with hash 497967623, now seen corresponding path program 1 times [2020-11-28 03:09:59,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:09:59,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957021648] [2020-11-28 03:09:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:09:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:59,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:59,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:10:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:00,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:10:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:00,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957021648] [2020-11-28 03:10:00,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:00,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 03:10:00,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334585572] [2020-11-28 03:10:00,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:10:00,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:10:00,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:10:00,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:00,308 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2020-11-28 03:10:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:00,357 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-11-28 03:10:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:10:00,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-28 03:10:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:00,371 INFO L225 Difference]: With dead ends: 35 [2020-11-28 03:10:00,371 INFO L226 Difference]: Without dead ends: 32 [2020-11-28 03:10:00,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-11-28 03:10:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2020-11-28 03:10:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:10:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-11-28 03:10:00,423 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2020-11-28 03:10:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:00,424 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-11-28 03:10:00,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:10:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-28 03:10:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:10:00,425 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:00,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:00,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:10:00,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:10:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:00,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1298983736, now seen corresponding path program 1 times [2020-11-28 03:10:00,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:10:00,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828151233] [2020-11-28 03:10:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:10:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:00,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:10:00,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:10:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:01,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:10:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:01,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828151233] [2020-11-28 03:10:01,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:01,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:10:01,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627455190] [2020-11-28 03:10:01,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:01,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:10:01,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:01,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:01,200 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2020-11-28 03:10:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:01,272 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-11-28 03:10:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:01,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-28 03:10:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:01,274 INFO L225 Difference]: With dead ends: 36 [2020-11-28 03:10:01,274 INFO L226 Difference]: Without dead ends: 25 [2020-11-28 03:10:01,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:01,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-28 03:10:01,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-28 03:10:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-28 03:10:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-11-28 03:10:01,281 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-11-28 03:10:01,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:01,282 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-11-28 03:10:01,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-28 03:10:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:10:01,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:01,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:01,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:10:01,498 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:10:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:01,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1243528388, now seen corresponding path program 1 times [2020-11-28 03:10:01,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:10:01,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751015147] [2020-11-28 03:10:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_369c4f21-c280-4053-82ab-ebb203f95758/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:10:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:01,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:01,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:01,845 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:10:01,846 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:10:02,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:10:02,069 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-28 03:10:02,083 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,084 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,084 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:10:02,084 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:10:02,085 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,085 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,087 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,087 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,088 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,088 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,089 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,090 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,090 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,090 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,091 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,091 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,092 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,092 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,092 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,100 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,101 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,102 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,102 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,102 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-28 03:10:02,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:02 BoogieIcfgContainer [2020-11-28 03:10:02,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:10:02,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:02,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:02,112 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:02,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:59" (3/4) ... [2020-11-28 03:10:02,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:10:02,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:02,122 INFO L168 Benchmark]: Toolchain (without parser) took 6177.35 ms. Allocated memory was 56.6 MB in the beginning and 113.2 MB in the end (delta: 56.6 MB). Free memory was 34.3 MB in the beginning and 72.3 MB in the end (delta: -38.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,125 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:02,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.15 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 40.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,133 INFO L168 Benchmark]: Boogie Preprocessor took 109.64 ms. Allocated memory is still 73.4 MB. Free memory was 40.1 MB in the beginning and 35.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,134 INFO L168 Benchmark]: RCFGBuilder took 2048.41 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 35.3 MB in the beginning and 66.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,135 INFO L168 Benchmark]: TraceAbstraction took 2910.55 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 73.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,135 INFO L168 Benchmark]: Witness Printer took 6.77 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 72.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:02,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1082.15 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 40.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.64 ms. Allocated memory is still 73.4 MB. Free memory was 40.1 MB in the beginning and 35.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2048.41 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 35.3 MB in the beginning and 66.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2910.55 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 73.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.77 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 72.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L782] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L778] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, saved_device_20={0:0}, size=16] [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A20))={1:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, p={1:0}, saved_device_20={0:0}] [L774] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L763] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, dev={1:4}, ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L774] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, p={1:0}, saved_device_20={1:4}] [L778] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L782] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 344 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 1 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...