./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_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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 [2020-11-30 00:20:45,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:20:45,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:20:45,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:20:45,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:20:45,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:20:45,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:20:45,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:20:45,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:20:45,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:20:45,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:20:45,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:20:45,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:20:45,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:20:45,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:20:45,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:20:45,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:20:45,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:20:45,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:20:45,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:20:45,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:20:45,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:20:45,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:20:45,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:20:45,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:20:45,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:20:45,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:20:45,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:20:45,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:20:45,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:20:45,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:20:45,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:20:45,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:20:45,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:20:45,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:20:45,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:20:45,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:20:45,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:20:45,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:20:45,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:20:45,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:20:45,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:20:46,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:20:46,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:20:46,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:20:46,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:20:46,007 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:20:46,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:20:46,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:20:46,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:20:46,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:20:46,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:20:46,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:20:46,011 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:20:46,011 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:20:46,011 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:20:46,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:20:46,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:20:46,012 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:20:46,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:20:46,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:20:46,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:20:46,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:20:46,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:20:46,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:20:46,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:20:46,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:20:46,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:20:46,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:20:46,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:20:46,016 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_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-30 00:20:46,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:20:46,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:20:46,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:20:46,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:20:46,500 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:20:46,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-30 00:20:46,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/f510b177b/15a355ff56ca4bde9308c514661265c2/FLAGa6bc3c04b [2020-11-30 00:20:47,362 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:20:47,363 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-30 00:20:47,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/f510b177b/15a355ff56ca4bde9308c514661265c2/FLAGa6bc3c04b [2020-11-30 00:20:47,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/f510b177b/15a355ff56ca4bde9308c514661265c2 [2020-11-30 00:20:47,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:20:47,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:20:47,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:47,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:20:47,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:20:47,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:47" (1/1) ... [2020-11-30 00:20:47,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1925af5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:47, skipping insertion in model container [2020-11-30 00:20:47,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:47" (1/1) ... [2020-11-30 00:20:47,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:20:47,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:20:48,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:20:48,300 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) [2020-11-30 00:20:48,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25c8e6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:48, skipping insertion in model container [2020-11-30 00:20:48,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:48,302 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:20:48,306 INFO L168 Benchmark]: Toolchain (without parser) took 766.80 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 70.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:48,308 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:20:48,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.13 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 70.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:48,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.13 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 70.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:20:51,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:20:51,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:20:51,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:20:51,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:20:51,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:20:51,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:20:51,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:20:51,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:20:51,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:20:51,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:20:51,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:20:51,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:20:51,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:20:51,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:20:51,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:20:51,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:20:51,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:20:51,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:20:51,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:20:51,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:20:51,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:20:51,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:20:51,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:20:51,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:20:51,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:20:51,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:20:51,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:20:51,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:20:51,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:20:51,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:20:51,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:20:51,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:20:51,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:20:51,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:20:51,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:20:51,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:20:51,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:20:51,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:20:51,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:20:51,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:20:51,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:20:51,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:20:51,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:20:51,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:20:51,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:20:51,374 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:20:51,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:20:51,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:20:51,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:20:51,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:20:51,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:20:51,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:20:51,376 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:20:51,376 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:20:51,376 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:20:51,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:20:51,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:20:51,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:20:51,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:20:51,378 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:20:51,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:20:51,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:20:51,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:20:51,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:20:51,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:20:51,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:20:51,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:20:51,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:20:51,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:20:51,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:20:51,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:20:51,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:20:51,381 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_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-30 00:20:51,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:20:51,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:20:51,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:20:51,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:20:51,871 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:20:51,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-30 00:20:51,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/e1d311e6e/8d47bea93a634a3da212e9e5943330fd/FLAG10eb8e9b3 [2020-11-30 00:20:52,749 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:20:52,749 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-30 00:20:52,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/e1d311e6e/8d47bea93a634a3da212e9e5943330fd/FLAG10eb8e9b3 [2020-11-30 00:20:52,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/bin/uautomizer/data/e1d311e6e/8d47bea93a634a3da212e9e5943330fd [2020-11-30 00:20:52,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:20:52,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:20:52,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:52,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:20:52,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:20:52,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:52" (1/1) ... [2020-11-30 00:20:52,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71678f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:52, skipping insertion in model container [2020-11-30 00:20:52,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:52" (1/1) ... [2020-11-30 00:20:52,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:20:53,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:20:53,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:20:53,778 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:20:53,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:20:53,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:20:53,927 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:20:53,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:20:54,111 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:20:54,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54 WrapperNode [2020-11-30 00:20:54,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:54,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:20:54,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:20:54,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:20:54,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:20:54,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:20:54,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:20:54,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:20:54,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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 [2020-11-30 00:20:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 00:20:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:20:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:20:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:20:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 00:20:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 00:20:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 00:20:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 00:20:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 00:20:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 00:20:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 00:20:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:20:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 00:20:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:20:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 00:20:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 00:20:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 00:20:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 00:20:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 00:20:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 00:20:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 00:20:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 00:20:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 00:20:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 00:20:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 00:20:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 00:20:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 00:20:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 00:20:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 00:20:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 00:20:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 00:20:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 00:20:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 00:20:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 00:20:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 00:20:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 00:20:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 00:20:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 00:20:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 00:20:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 00:20:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 00:20:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 00:20:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-11-30 00:20:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-11-30 00:20:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-11-30 00:20:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-11-30 00:20:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 00:20:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 00:20:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 00:20:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 00:20:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:20:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 00:20:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 00:20:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 00:20:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 00:20:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 00:20:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 00:20:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 00:20:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 00:20:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 00:20:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 00:20:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 00:20:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 00:20:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 00:20:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 00:20:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 00:20:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 00:20:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 00:20:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 00:20:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 00:20:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 00:20:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 00:20:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 00:20:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 00:20:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 00:20:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 00:20:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 00:20:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 00:20:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 00:20:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 00:20:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 00:20:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 00:20:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 00:20:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 00:20:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 00:20:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 00:20:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 00:20:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 00:20:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 00:20:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 00:20:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 00:20:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 00:20:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 00:20:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 00:20:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 00:20:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 00:20:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 00:20:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 00:20:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 00:20:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 00:20:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 00:20:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 00:20:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 00:20:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 00:20:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 00:20:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 00:20:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 00:20:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 00:20:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 00:20:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 00:20:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 00:20:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 00:20:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 00:20:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 00:20:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 00:20:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 00:20:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 00:20:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 00:20:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 00:20:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 00:20:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 00:20:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 00:20:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 00:20:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 00:20:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 00:20:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 00:20:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 00:20:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 00:20:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 00:20:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 00:20:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 00:20:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 00:20:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 00:20:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 00:20:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 00:20:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 00:20:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 00:20:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 00:20:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 00:20:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 00:20:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 00:20:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 00:20:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 00:20:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 00:20:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 00:20:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 00:20:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 00:20:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 00:20:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 00:20:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:20:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 00:20:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 00:20:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 00:20:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:20:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 00:20:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 00:20:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 00:20:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 00:20:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:20:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 00:20:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:20:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 00:20:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 00:20:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 00:20:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 00:20:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:20:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 00:20:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 00:20:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 00:20:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 00:20:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 00:20:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 00:20:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 00:20:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 00:20:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 00:20:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-11-30 00:20:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-11-30 00:20:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-11-30 00:20:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:20:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:20:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:20:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:20:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:20:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:20:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:20:55,287 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:20:55,865 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:20:56,366 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:20:56,370 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 00:20:56,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:20:56 BoogieIcfgContainer [2020-11-30 00:20:56,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:20:56,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:20:56,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:20:56,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:20:56,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:20:52" (1/3) ... [2020-11-30 00:20:56,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a37c6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:20:56, skipping insertion in model container [2020-11-30 00:20:56,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54" (2/3) ... [2020-11-30 00:20:56,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a37c6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:20:56, skipping insertion in model container [2020-11-30 00:20:56,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:20:56" (3/3) ... [2020-11-30 00:20:56,383 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2020-11-30 00:20:56,397 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:20:56,406 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-11-30 00:20:56,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-11-30 00:20:56,453 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:20:56,453 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 00:20:56,453 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:20:56,454 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:20:56,454 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:20:56,454 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:20:56,454 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:20:56,454 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:20:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-11-30 00:20:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:20:56,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:20:56,483 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] [2020-11-30 00:20:56,484 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]=== [2020-11-30 00:20:56,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:20:56,491 INFO L82 PathProgramCache]: Analyzing trace with hash 497967623, now seen corresponding path program 1 times [2020-11-30 00:20:56,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:20:56,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965120363] [2020-11-30 00:20:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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 [2020-11-30 00:20:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:56,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:20:56,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:20:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:57,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:20:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:57,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965120363] [2020-11-30 00:20:57,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:20:57,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 00:20:57,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331718284] [2020-11-30 00:20:57,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:20:57,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:20:57,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:20:57,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:20:57,272 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2020-11-30 00:20:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:20:57,320 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-11-30 00:20:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:20:57,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-30 00:20:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:20:57,333 INFO L225 Difference]: With dead ends: 35 [2020-11-30 00:20:57,334 INFO L226 Difference]: Without dead ends: 32 [2020-11-30 00:20:57,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:20:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-11-30 00:20:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2020-11-30 00:20:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:20:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-11-30 00:20:57,406 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2020-11-30 00:20:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:20:57,407 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-11-30 00:20:57,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:20:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-30 00:20:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:20:57,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:20:57,409 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] [2020-11-30 00:20:57,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:20:57,622 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]=== [2020-11-30 00:20:57,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:20:57,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1298983736, now seen corresponding path program 1 times [2020-11-30 00:20:57,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:20:57,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166950845] [2020-11-30 00:20:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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 [2020-11-30 00:20:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:57,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:20:57,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:20:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:57,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:20:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:58,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166950845] [2020-11-30 00:20:58,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:20:58,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:20:58,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55326721] [2020-11-30 00:20:58,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:20:58,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:20:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:20:58,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:20:58,138 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2020-11-30 00:20:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:20:58,218 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-11-30 00:20:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:20:58,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 00:20:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:20:58,220 INFO L225 Difference]: With dead ends: 36 [2020-11-30 00:20:58,220 INFO L226 Difference]: Without dead ends: 25 [2020-11-30 00:20:58,221 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 [2020-11-30 00:20:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-30 00:20:58,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-30 00:20:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 00:20:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-11-30 00:20:58,226 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-11-30 00:20:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:20:58,226 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-11-30 00:20:58,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:20:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-30 00:20:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:20:58,228 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:20:58,230 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] [2020-11-30 00:20:58,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:20:58,432 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]=== [2020-11-30 00:20:58,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:20:58,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1243528388, now seen corresponding path program 1 times [2020-11-30 00:20:58,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:20:58,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818164361] [2020-11-30 00:20:58,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4efbbb62-8b06-461a-8e2d-b302ac52f43a/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 [2020-11-30 00:20:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:20:58,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:20:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:20:58,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:20:58,859 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:20:58,860 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:20:59,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:20:59,076 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-30 00:20:59,091 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,092 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,092 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# [2020-11-30 00:20:59,092 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# [2020-11-30 00:20:59,093 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,093 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,095 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,095 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,096 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,096 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,098 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,098 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,105 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,106 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,107 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,108 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,109 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,109 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,110 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,110 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,111 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,112 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,119 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,120 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,122 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,122 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,122 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,124 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-11-30 00:20:59,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:20:59 BoogieIcfgContainer [2020-11-30 00:20:59,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:20:59,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:20:59,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:20:59,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:20:59,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:20:56" (3/4) ... [2020-11-30 00:20:59,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:20:59,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:20:59,144 INFO L168 Benchmark]: Toolchain (without parser) took 6182.05 ms. Allocated memory was 52.4 MB in the beginning and 113.2 MB in the end (delta: 60.8 MB). Free memory was 27.5 MB in the beginning and 73.9 MB in the end (delta: -46.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:59,147 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:20:59,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.59 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.3 MB in the beginning and 34.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:59,155 INFO L168 Benchmark]: Boogie Preprocessor took 162.37 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 29.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:59,156 INFO L168 Benchmark]: RCFGBuilder took 2097.99 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 60.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:59,156 INFO L168 Benchmark]: TraceAbstraction took 2757.35 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 74.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:59,157 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 113.2 MB. Free memory was 74.9 MB in the beginning and 73.9 MB in the end (delta: 967.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:20:59,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1151.59 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.3 MB in the beginning and 34.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 162.37 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 29.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2097.99 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 60.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2757.35 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 74.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.47 ms. Allocated memory is still 113.2 MB. Free memory was 74.9 MB in the beginning and 73.9 MB in the end (delta: 967.4 kB). There was no memory consumed. 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: 2.6s, 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, 0.1s 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, 0.5s 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...