./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.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_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/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 ca8443f02e84c43442a8563176ea0a68cc82ac31 .................................................................................................................................. 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_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:19,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:19,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:19,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:19,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:19,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:19,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:19,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:19,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:19,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:19,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:19,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:19,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:19,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:19,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:19,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:19,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:19,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:19,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:19,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:19,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:19,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:19,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:19,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:19,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:19,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:19,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:19,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:19,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:19,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:19,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:19,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:19,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:19,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:19,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:19,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:19,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:19,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:19,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:19,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:19,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:19,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 03:14:19,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:19,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:19,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:19,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:19,924 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:19,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:19,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:19,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:19,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:19,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:19,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:19,927 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:14:19,927 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:14:19,927 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:14:19,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:19,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:14:19,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:19,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:19,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:19,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:19,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:19,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:19,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:19,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:19,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:19,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:19,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:19,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:19,932 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_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-11-28 03:14:20,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:20,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:20,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:20,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:20,353 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:20,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-11-28 03:14:20,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/afe2593f4/d1d7718b49b444d091c9815066214d36/FLAGff64422d5 [2020-11-28 03:14:21,227 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:21,228 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-11-28 03:14:21,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/afe2593f4/d1d7718b49b444d091c9815066214d36/FLAGff64422d5 [2020-11-28 03:14:21,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/afe2593f4/d1d7718b49b444d091c9815066214d36 [2020-11-28 03:14:21,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:21,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:14:21,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:21,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:21,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:21,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:21" (1/1) ... [2020-11-28 03:14:21,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313ba92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:21, skipping insertion in model container [2020-11-28 03:14:21,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:21" (1/1) ... [2020-11-28 03:14:21,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:21,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:22,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:22,150 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-28 03:14:22,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33cb87fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:22, skipping insertion in model container [2020-11-28 03:14:22,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:22,152 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:14:22,156 INFO L168 Benchmark]: Toolchain (without parser) took 690.69 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 84.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:22,158 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 90.2 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:22,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.36 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 84.4 MB in the end (delta: -26.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:22,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 90.2 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 685.36 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 84.4 MB in the end (delta: -26.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:24,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:24,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:24,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:24,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:24,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:24,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:24,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:24,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:24,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:24,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:24,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:24,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:24,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:24,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:24,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:24,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:24,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:24,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:24,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:24,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:24,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:24,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:24,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:24,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:24,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:24,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:24,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:24,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:24,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:24,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:24,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:24,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:24,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:24,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:24,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:24,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:24,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:24,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:24,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:24,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:24,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 03:14:24,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:24,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:24,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:24,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:24,687 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:24,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:24,688 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:24,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:24,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:24,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:24,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:24,690 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:14:24,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:14:24,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:14:24,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:24,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:14:24,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:14:24,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:14:24,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:24,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:24,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:24,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:24,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:24,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:24,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:24,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:24,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:24,695 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:14:24,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:14:24,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:24,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:14:24,696 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_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-11-28 03:14:25,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:25,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:25,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:25,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:25,274 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:25,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-11-28 03:14:25,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/d141ffe81/340ecc1919c04ecfacdf748d74637e6b/FLAG6f9fad1d3 [2020-11-28 03:14:26,150 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:26,150 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-11-28 03:14:26,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/d141ffe81/340ecc1919c04ecfacdf748d74637e6b/FLAG6f9fad1d3 [2020-11-28 03:14:26,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/data/d141ffe81/340ecc1919c04ecfacdf748d74637e6b [2020-11-28 03:14:26,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:26,388 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:14:26,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:26,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:26,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:26,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:26" (1/1) ... [2020-11-28 03:14:26,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4257598e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:26, skipping insertion in model container [2020-11-28 03:14:26,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:26" (1/1) ... [2020-11-28 03:14:26,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:26,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:27,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:27,070 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 03:14:27,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:27,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:27,226 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:27,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:27,437 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:27,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27 WrapperNode [2020-11-28 03:14:27,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:27,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:27,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:27,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:27,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... [2020-11-28 03:14:27,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:27,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:27,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:27,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:27,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 03:14:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:14:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:14:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 03:14:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 03:14:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 03:14:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 03:14:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 03:14:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-28 03:14:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-28 03:14:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-28 03:14:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-28 03:14:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:14:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-28 03:14:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-28 03:14:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-28 03:14:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-28 03:14:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-28 03:14:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-28 03:14:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-28 03:14:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-28 03:14:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-28 03:14:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-28 03:14:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-28 03:14:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-28 03:14:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-28 03:14:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-28 03:14:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-28 03:14:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-28 03:14:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-28 03:14:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-28 03:14:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-28 03:14:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-28 03:14:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-28 03:14:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-28 03:14:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-28 03:14:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-28 03:14:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-28 03:14:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-28 03:14:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-28 03:14:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-28 03:14:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-28 03:14:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 03:14:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-28 03:14:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-28 03:14:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-28 03:14:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 03:14:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 03:14:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 03:14:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 03:14:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 03:14:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 03:14:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 03:14:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 03:14:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 03:14:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 03:14:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 03:14:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 03:14:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 03:14:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 03:14:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 03:14:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 03:14:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 03:14:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 03:14:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 03:14:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 03:14:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 03:14:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 03:14:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 03:14:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 03:14:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 03:14:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 03:14:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 03:14:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 03:14:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 03:14:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 03:14:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 03:14:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 03:14:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 03:14:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 03:14:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 03:14:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 03:14:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 03:14:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 03:14:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 03:14:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 03:14:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 03:14:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 03:14:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 03:14:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 03:14:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 03:14:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 03:14:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 03:14:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 03:14:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 03:14:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 03:14:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 03:14:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 03:14:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 03:14:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 03:14:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 03:14:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 03:14:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 03:14:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 03:14:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 03:14:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 03:14:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 03:14:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 03:14:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 03:14:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 03:14:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 03:14:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 03:14:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 03:14:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 03:14:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 03:14:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 03:14:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 03:14:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 03:14:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 03:14:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 03:14:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 03:14:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 03:14:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 03:14:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 03:14:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 03:14:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 03:14:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 03:14:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 03:14:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 03:14:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 03:14:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 03:14:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 03:14:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 03:14:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 03:14:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 03:14:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 03:14:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 03:14:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 03:14:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 03:14:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 03:14:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 03:14:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 03:14:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 03:14:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 03:14:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 03:14:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 03:14:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 03:14:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 03:14:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 03:14:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 03:14:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 03:14:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 03:14:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 03:14:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-28 03:14:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-28 03:14:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-28 03:14:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-28 03:14:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-28 03:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-28 03:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-28 03:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-28 03:14:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-28 03:14:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 03:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-28 03:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-28 03:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-28 03:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-28 03:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-28 03:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-28 03:14:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-28 03:14:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-28 03:14:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-28 03:14:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:14:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-28 03:14:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-28 03:14:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-28 03:14:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-28 03:14:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-28 03:14:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:14:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:14:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-28 03:14:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-28 03:14:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:14:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-28 03:14:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-28 03:14:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-28 03:14:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-28 03:14:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-28 03:14:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-28 03:14:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-28 03:14:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-28 03:14:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-28 03:14:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-28 03:14:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 03:14:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 03:14:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 03:14:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:14:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-28 03:14:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-28 03:14:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-28 03:14:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-28 03:14:28,683 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:14:29,203 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:14:29,699 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:29,700 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-28 03:14:29,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:29 BoogieIcfgContainer [2020-11-28 03:14:29,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:29,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:29,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:29,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:29,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:26" (1/3) ... [2020-11-28 03:14:29,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f0d524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:29, skipping insertion in model container [2020-11-28 03:14:29,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:27" (2/3) ... [2020-11-28 03:14:29,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f0d524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:29, skipping insertion in model container [2020-11-28 03:14:29,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:29" (3/3) ... [2020-11-28 03:14:29,724 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2020-11-28 03:14:29,737 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:29,743 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2020-11-28 03:14:29,758 INFO L253 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2020-11-28 03:14:29,796 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:29,797 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 03:14:29,797 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:29,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:29,798 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:29,798 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:29,798 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:29,798 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-11-28 03:14:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:14:29,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:29,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:29,838 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:29,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:29,848 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2020-11-28 03:14:29,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:29,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329202475] [2020-11-28 03:14:29,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:30,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:14:30,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:30,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:30,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329202475] [2020-11-28 03:14:30,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:30,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:14:30,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457217812] [2020-11-28 03:14:30,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:30,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:30,433 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2020-11-28 03:14:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:30,478 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2020-11-28 03:14:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:30,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-28 03:14:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:30,489 INFO L225 Difference]: With dead ends: 29 [2020-11-28 03:14:30,489 INFO L226 Difference]: Without dead ends: 26 [2020-11-28 03:14:30,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-28 03:14:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-28 03:14:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-28 03:14:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-11-28 03:14:30,530 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2020-11-28 03:14:30,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:30,530 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-11-28 03:14:30,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-11-28 03:14:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:14:30,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:30,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:30,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:14:30,750 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:30,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:30,751 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2020-11-28 03:14:30,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:30,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970009820] [2020-11-28 03:14:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:31,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:14:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:31,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:31,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970009820] [2020-11-28 03:14:31,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:31,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-11-28 03:14:31,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846188508] [2020-11-28 03:14:31,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:14:31,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:31,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:14:31,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:14:31,410 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2020-11-28 03:14:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:31,650 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-11-28 03:14:31,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:14:31,651 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-28 03:14:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:31,654 INFO L225 Difference]: With dead ends: 35 [2020-11-28 03:14:31,654 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:14:31,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:14:31,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:14:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2020-11-28 03:14:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:14:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-11-28 03:14:31,663 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2020-11-28 03:14:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:31,664 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-11-28 03:14:31,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:14:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-11-28 03:14:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 03:14:31,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:31,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:31,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:14:31,866 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:31,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2020-11-28 03:14:31,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:31,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817651530] [2020-11-28 03:14:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:32,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:14:32,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:32,124 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-28 03:14:32,125 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:14:32,129 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:14:32,130 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:14:32,130 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-28 03:14:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:32,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:32,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817651530] [2020-11-28 03:14:32,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:32,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:14:32,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593034111] [2020-11-28 03:14:32,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:32,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:32,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:32,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:32,231 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2020-11-28 03:14:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:32,324 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-11-28 03:14:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:32,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-28 03:14:32,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:32,326 INFO L225 Difference]: With dead ends: 30 [2020-11-28 03:14:32,326 INFO L226 Difference]: Without dead ends: 30 [2020-11-28 03:14:32,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:32,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-28 03:14:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-28 03:14:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-28 03:14:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2020-11-28 03:14:32,332 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2020-11-28 03:14:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:32,332 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2020-11-28 03:14:32,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2020-11-28 03:14:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 03:14:32,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:32,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:32,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:14:32,544 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:32,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:32,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2020-11-28 03:14:32,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:32,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634051063] [2020-11-28 03:14:32,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:32,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:14:32,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:32,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:14:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:32,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634051063] [2020-11-28 03:14:32,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:32,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:14:32,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652169254] [2020-11-28 03:14:32,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:32,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:14:32,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:32,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:32,795 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2020-11-28 03:14:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:32,841 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-11-28 03:14:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:32,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-28 03:14:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:32,845 INFO L225 Difference]: With dead ends: 34 [2020-11-28 03:14:32,845 INFO L226 Difference]: Without dead ends: 34 [2020-11-28 03:14:32,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:32,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-11-28 03:14:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-11-28 03:14:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-28 03:14:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-11-28 03:14:32,851 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2020-11-28 03:14:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:32,851 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2020-11-28 03:14:32,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-11-28 03:14:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:14:32,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:32,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:33,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 03:14:33,053 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:14:33,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:33,053 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2020-11-28 03:14:33,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:33,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259587376] [2020-11-28 03:14:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:33,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:33,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:33,339 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:14:33,339 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:14:33,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 03:14:33,553 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:14:33,555 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:14:33,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:33 BoogieIcfgContainer [2020-11-28 03:14:33,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:33,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:33,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:33,565 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:33,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:29" (3/4) ... [2020-11-28 03:14:33,568 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:14:33,581 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:14:33,581 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:14:33,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1f580c62-3d5f-4841-bf1d-c5a90cfdcaf2/bin/uautomizer/witness.graphml [2020-11-28 03:14:33,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:33,639 INFO L168 Benchmark]: Toolchain (without parser) took 7250.84 ms. Allocated memory was 50.3 MB in the beginning and 117.4 MB in the end (delta: 67.1 MB). Free memory was 26.1 MB in the beginning and 66.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,639 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory is still 32.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:33,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.50 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 25.9 MB in the beginning and 56.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,641 INFO L168 Benchmark]: Boogie Preprocessor took 199.94 ms. Allocated memory is still 79.7 MB. Free memory was 56.8 MB in the beginning and 52.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,641 INFO L168 Benchmark]: RCFGBuilder took 2063.26 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 52.1 MB in the beginning and 50.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,642 INFO L168 Benchmark]: TraceAbstraction took 3856.76 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 50.2 MB in the beginning and 68.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,642 INFO L168 Benchmark]: Witness Printer took 72.61 ms. Allocated memory is still 117.4 MB. Free memory was 68.2 MB in the beginning and 66.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory is still 32.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1051.50 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 25.9 MB in the beginning and 56.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 199.94 ms. Allocated memory is still 79.7 MB. Free memory was 56.8 MB in the beginning and 52.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2063.26 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 52.1 MB in the beginning and 50.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3856.76 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 50.2 MB in the beginning and 68.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 72.61 ms. Allocated memory is still 117.4 MB. Free memory was 68.2 MB in the beginning and 66.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 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 7bv32 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3433 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 proved your program to be incorrect! Received shutdown request...