./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:22:01,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:22:01,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:22:01,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:22:01,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:22:01,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:22:01,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:22:01,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:22:01,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:22:01,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:22:01,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:22:01,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:22:01,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:22:01,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:22:01,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:22:01,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:22:01,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:22:01,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:22:01,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:22:01,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:22:01,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:22:01,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:22:01,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:22:01,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:22:01,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:22:01,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:22:01,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:22:01,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:22:01,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:22:01,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:22:01,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:22:01,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:22:01,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:22:01,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:22:01,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:22:01,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:22:01,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:22:01,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:22:01,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:22:01,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:22:01,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:22:01,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-19 05:22:01,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:22:01,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:22:01,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:22:01,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:22:01,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:22:01,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:22:01,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:22:01,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:22:01,986 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:22:01,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:22:01,987 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:22:01,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:22:01,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:22:01,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:22:01,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:22:01,989 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:22:01,989 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:22:01,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:22:01,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:22:01,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:22:01,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:22:01,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:22:01,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:22:01,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:22:01,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:22:01,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:22:01,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:22:01,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:22:01,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:22:01,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:22:01,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:22:01,996 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_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-11-19 05:22:02,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:22:02,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:22:02,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:22:02,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:22:02,426 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:22:02,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-19 05:22:02,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/d96c4c2af/ed2a233709e641ac862834f5f194ce91/FLAG7e3f76527 [2021-11-19 05:22:03,269 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:22:03,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-19 05:22:03,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/d96c4c2af/ed2a233709e641ac862834f5f194ce91/FLAG7e3f76527 [2021-11-19 05:22:03,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/d96c4c2af/ed2a233709e641ac862834f5f194ce91 [2021-11-19 05:22:03,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:22:03,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:22:03,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:03,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:22:03,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:22:03,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:03" (1/1) ... [2021-11-19 05:22:03,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2c7f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:03, skipping insertion in model container [2021-11-19 05:22:03,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:03" (1/1) ... [2021-11-19 05:22:03,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:22:03,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:22:04,188 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:04,230 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 05:22:04,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68675c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:04, skipping insertion in model container [2021-11-19 05:22:04,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:04,232 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-19 05:22:04,237 INFO L158 Benchmark]: Toolchain (without parser) took 781.74ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 52.2MB in the beginning and 94.2MB in the end (delta: -42.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:22:04,239 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:04,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.44ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 51.9MB in the beginning and 94.2MB in the end (delta: -42.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:22:04,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.44ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 51.9MB in the beginning and 94.2MB in the end (delta: -42.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:22:07,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:22:07,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:22:07,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:22:07,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:22:07,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:22:07,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:22:07,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:22:07,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:22:07,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:22:07,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:22:07,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:22:07,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:22:07,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:22:07,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:22:07,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:22:07,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:22:07,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:22:07,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:22:07,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:22:07,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:22:07,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:22:07,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:22:07,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:22:07,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:22:07,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:22:07,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:22:07,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:22:07,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:22:07,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:22:07,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:22:07,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:22:07,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:22:07,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:22:07,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:22:07,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:22:07,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:22:07,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:22:07,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:22:07,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:22:07,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:22:07,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-19 05:22:07,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:22:07,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:22:07,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:22:07,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:22:07,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:22:07,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:22:07,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:22:07,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:22:07,387 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:22:07,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:22:07,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:22:07,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:22:07,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:22:07,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:22:07,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:22:07,390 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:22:07,391 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:22:07,391 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:22:07,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:22:07,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:22:07,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:22:07,392 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:22:07,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:22:07,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:22:07,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:22:07,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:22:07,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:22:07,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:22:07,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:22:07,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:22:07,395 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:22:07,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:22:07,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:22:07,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:22:07,396 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-11-19 05:22:07,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:22:07,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:22:07,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:22:07,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:22:07,976 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:22:07,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-19 05:22:08,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/900bbb177/bf1181fa359e4643964063960fd44912/FLAG336416758 [2021-11-19 05:22:09,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:22:09,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-11-19 05:22:09,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/900bbb177/bf1181fa359e4643964063960fd44912/FLAG336416758 [2021-11-19 05:22:09,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/data/900bbb177/bf1181fa359e4643964063960fd44912 [2021-11-19 05:22:09,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:22:09,255 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:22:09,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:09,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:22:09,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:22:09,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:09" (1/1) ... [2021-11-19 05:22:09,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7534217a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:09, skipping insertion in model container [2021-11-19 05:22:09,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:09" (1/1) ... [2021-11-19 05:22:09,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:22:09,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:22:10,016 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:10,045 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 05:22:10,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:22:10,158 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:10,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:22:10,224 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:10,280 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:22:10,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10 WrapperNode [2021-11-19 05:22:10,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:10,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:22:10,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:22:10,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:22:10,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:22:10,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:22:10,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:22:10,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:22:10,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (1/1) ... [2021-11-19 05:22:10,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:22:10,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:22:10,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:22:10,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:22:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-19 05:22:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 05:22:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:22:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-19 05:22:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-19 05:22:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-19 05:22:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-19 05:22:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-19 05:22:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-19 05:22:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-19 05:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 05:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 05:22:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-19 05:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-19 05:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-19 05:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-19 05:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-19 05:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-19 05:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-19 05:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-19 05:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-19 05:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-19 05:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-19 05:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 05:22:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 05:22:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-19 05:22:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-19 05:22:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-19 05:22:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-19 05:22:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-19 05:22:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-19 05:22:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-19 05:22:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-19 05:22:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-19 05:22:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-19 05:22:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-19 05:22:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-19 05:22:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-19 05:22:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-19 05:22:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-19 05:22:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-19 05:22:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-11-19 05:22:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-19 05:22:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-19 05:22:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 05:22:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 05:22:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 05:22:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-19 05:22:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-19 05:22:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-19 05:22:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-19 05:22:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-19 05:22:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-19 05:22:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-19 05:22:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-19 05:22:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-19 05:22:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-19 05:22:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-19 05:22:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-19 05:22:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-19 05:22:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-19 05:22:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-19 05:22:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-19 05:22:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-19 05:22:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-19 05:22:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-19 05:22:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-19 05:22:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-19 05:22:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-19 05:22:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-19 05:22:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-19 05:22:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-19 05:22:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-19 05:22:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-19 05:22:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-19 05:22:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-19 05:22:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-19 05:22:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-19 05:22:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-19 05:22:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-19 05:22:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-19 05:22:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-19 05:22:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-19 05:22:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-19 05:22:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-19 05:22:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-19 05:22:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-19 05:22:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-19 05:22:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-19 05:22:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-19 05:22:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-19 05:22:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-19 05:22:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-19 05:22:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-19 05:22:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-19 05:22:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-19 05:22:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-19 05:22:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-19 05:22:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-19 05:22:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-19 05:22:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-19 05:22:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-19 05:22:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-19 05:22:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-19 05:22:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-19 05:22:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-19 05:22:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-19 05:22:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-19 05:22:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-19 05:22:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-19 05:22:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-19 05:22:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-19 05:22:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-19 05:22:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-19 05:22:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-19 05:22:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-19 05:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-19 05:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-19 05:22:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-19 05:22:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-19 05:22:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-19 05:22:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-19 05:22:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-19 05:22:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-19 05:22:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-19 05:22:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-19 05:22:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-19 05:22:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-19 05:22:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-19 05:22:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-19 05:22:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-19 05:22:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-19 05:22:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-19 05:22:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-19 05:22:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-19 05:22:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-19 05:22:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-19 05:22:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-19 05:22:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-19 05:22:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-19 05:22:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-19 05:22:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-19 05:22:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-19 05:22:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-19 05:22:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-19 05:22:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-19 05:22:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-19 05:22:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-19 05:22:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-19 05:22:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-19 05:22:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-19 05:22:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-19 05:22:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-19 05:22:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-19 05:22:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 05:22:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-19 05:22:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-19 05:22:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-19 05:22:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-19 05:22:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-19 05:22:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 05:22:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:22:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 05:22:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 05:22:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-19 05:22:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:22:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-19 05:22:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-19 05:22:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-19 05:22:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:22:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-19 05:22:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-19 05:22:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-19 05:22:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-19 05:22:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 05:22:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-19 05:22:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:22:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-19 05:22:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-19 05:22:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 05:22:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 05:22:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-19 05:22:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 05:22:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:22:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-19 05:22:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-19 05:22:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 05:22:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-19 05:22:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-19 05:22:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-19 05:22:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-19 05:22:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-19 05:22:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-19 05:22:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-19 05:22:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-19 05:22:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-19 05:22:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-19 05:22:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-19 05:22:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 05:22:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-19 05:22:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-19 05:22:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-11-19 05:22:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-19 05:22:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-19 05:22:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-19 05:22:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:22:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:22:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:22:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:22:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 05:22:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 05:22:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 05:22:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 05:22:11,326 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:22:11,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:22:11,667 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:22:12,296 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:22:12,800 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:22:12,816 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:22:12,816 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:22:12,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:12 BoogieIcfgContainer [2021-11-19 05:22:12,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:22:12,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:22:12,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:22:12,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:22:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:09" (1/3) ... [2021-11-19 05:22:12,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52326b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:12, skipping insertion in model container [2021-11-19 05:22:12,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:10" (2/3) ... [2021-11-19 05:22:12,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52326b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:12, skipping insertion in model container [2021-11-19 05:22:12,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:12" (3/3) ... [2021-11-19 05:22:12,832 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-11-19 05:22:12,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:22:12,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-11-19 05:22:12,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:22:12,950 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:22:12,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-11-19 05:22:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 05:22:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 05:22:12,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:12,982 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:12,982 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-11-19 05:22:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:12,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-11-19 05:22:13,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:22:13,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336800928] [2021-11-19 05:22:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:13,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:22:13,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:22:13,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:22:13,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:22:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:13,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:22:13,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:22:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:13,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:22:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:13,663 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:22:13,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336800928] [2021-11-19 05:22:13,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336800928] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:22:13,672 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:22:13,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:22:13,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595724463] [2021-11-19 05:22:13,676 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:22:13,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:22:13,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:22:13,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:22:13,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:22:13,751 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:22:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:13,825 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-11-19 05:22:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:22:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-11-19 05:22:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:22:13,839 INFO L225 Difference]: With dead ends: 35 [2021-11-19 05:22:13,839 INFO L226 Difference]: Without dead ends: 23 [2021-11-19 05:22:13,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:22:13,846 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:22:13,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:22:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-19 05:22:13,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-11-19 05:22:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 05:22:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-11-19 05:22:13,894 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-11-19 05:22:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:22:13,894 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-11-19 05:22:13,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:22:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-11-19 05:22:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 05:22:13,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:22:13,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:22:13,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:22:14,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:22:14,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-11-19 05:22:14,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-11-19 05:22:14,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:22:14,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448230160] [2021-11-19 05:22:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:14,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:22:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:22:14,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:22:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:22:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:14,355 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:22:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:14,426 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-19 05:22:14,426 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:22:14,428 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (70 of 71 remaining) [2021-11-19 05:22:14,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (69 of 71 remaining) [2021-11-19 05:22:14,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (68 of 71 remaining) [2021-11-19 05:22:14,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (67 of 71 remaining) [2021-11-19 05:22:14,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (66 of 71 remaining) [2021-11-19 05:22:14,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (65 of 71 remaining) [2021-11-19 05:22:14,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (64 of 71 remaining) [2021-11-19 05:22:14,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (63 of 71 remaining) [2021-11-19 05:22:14,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (62 of 71 remaining) [2021-11-19 05:22:14,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (61 of 71 remaining) [2021-11-19 05:22:14,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (60 of 71 remaining) [2021-11-19 05:22:14,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (59 of 71 remaining) [2021-11-19 05:22:14,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (58 of 71 remaining) [2021-11-19 05:22:14,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (57 of 71 remaining) [2021-11-19 05:22:14,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (56 of 71 remaining) [2021-11-19 05:22:14,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (55 of 71 remaining) [2021-11-19 05:22:14,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (54 of 71 remaining) [2021-11-19 05:22:14,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (53 of 71 remaining) [2021-11-19 05:22:14,440 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (52 of 71 remaining) [2021-11-19 05:22:14,441 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (51 of 71 remaining) [2021-11-19 05:22:14,441 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (50 of 71 remaining) [2021-11-19 05:22:14,441 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (49 of 71 remaining) [2021-11-19 05:22:14,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (48 of 71 remaining) [2021-11-19 05:22:14,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (47 of 71 remaining) [2021-11-19 05:22:14,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (46 of 71 remaining) [2021-11-19 05:22:14,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (45 of 71 remaining) [2021-11-19 05:22:14,442 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (44 of 71 remaining) [2021-11-19 05:22:14,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (43 of 71 remaining) [2021-11-19 05:22:14,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (42 of 71 remaining) [2021-11-19 05:22:14,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (41 of 71 remaining) [2021-11-19 05:22:14,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (40 of 71 remaining) [2021-11-19 05:22:14,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (39 of 71 remaining) [2021-11-19 05:22:14,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (38 of 71 remaining) [2021-11-19 05:22:14,444 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (37 of 71 remaining) [2021-11-19 05:22:14,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (36 of 71 remaining) [2021-11-19 05:22:14,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (35 of 71 remaining) [2021-11-19 05:22:14,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (34 of 71 remaining) [2021-11-19 05:22:14,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (33 of 71 remaining) [2021-11-19 05:22:14,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (32 of 71 remaining) [2021-11-19 05:22:14,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (31 of 71 remaining) [2021-11-19 05:22:14,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (30 of 71 remaining) [2021-11-19 05:22:14,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (29 of 71 remaining) [2021-11-19 05:22:14,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (28 of 71 remaining) [2021-11-19 05:22:14,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (27 of 71 remaining) [2021-11-19 05:22:14,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (26 of 71 remaining) [2021-11-19 05:22:14,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (25 of 71 remaining) [2021-11-19 05:22:14,447 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (24 of 71 remaining) [2021-11-19 05:22:14,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (23 of 71 remaining) [2021-11-19 05:22:14,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (22 of 71 remaining) [2021-11-19 05:22:14,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (21 of 71 remaining) [2021-11-19 05:22:14,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (20 of 71 remaining) [2021-11-19 05:22:14,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (19 of 71 remaining) [2021-11-19 05:22:14,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (18 of 71 remaining) [2021-11-19 05:22:14,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (17 of 71 remaining) [2021-11-19 05:22:14,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (16 of 71 remaining) [2021-11-19 05:22:14,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (15 of 71 remaining) [2021-11-19 05:22:14,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (14 of 71 remaining) [2021-11-19 05:22:14,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (13 of 71 remaining) [2021-11-19 05:22:14,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (12 of 71 remaining) [2021-11-19 05:22:14,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (11 of 71 remaining) [2021-11-19 05:22:14,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (10 of 71 remaining) [2021-11-19 05:22:14,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (9 of 71 remaining) [2021-11-19 05:22:14,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (8 of 71 remaining) [2021-11-19 05:22:14,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (7 of 71 remaining) [2021-11-19 05:22:14,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (6 of 71 remaining) [2021-11-19 05:22:14,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (5 of 71 remaining) [2021-11-19 05:22:14,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (4 of 71 remaining) [2021-11-19 05:22:14,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (3 of 71 remaining) [2021-11-19 05:22:14,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (2 of 71 remaining) [2021-11-19 05:22:14,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (1 of 71 remaining) [2021-11-19 05:22:14,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (0 of 71 remaining) [2021-11-19 05:22:14,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:22:14,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:22:14,693 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:22:14,698 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:22:14,724 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-19 05:22:14,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:22:14 BoogieIcfgContainer [2021-11-19 05:22:14,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:22:14,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:22:14,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:22:14,764 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:22:14,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:12" (3/4) ... [2021-11-19 05:22:14,768 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:22:14,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:22:14,770 INFO L158 Benchmark]: Toolchain (without parser) took 5513.88ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 35.7MB in the end (delta: 4.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-19 05:22:14,771 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:14,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.38ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 28.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:22:14,772 INFO L158 Benchmark]: Boogie Preprocessor took 193.65ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.0MB in the beginning and 59.8MB in the end (delta: -31.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-19 05:22:14,772 INFO L158 Benchmark]: RCFGBuilder took 2343.37ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 34.4MB in the end (delta: 25.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-19 05:22:14,775 INFO L158 Benchmark]: TraceAbstraction took 1939.14ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 36.2MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:14,776 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 81.8MB. Free memory was 36.2MB in the beginning and 35.7MB in the end (delta: 496.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:14,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.38ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 28.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.65ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.0MB in the beginning and 59.8MB in the end (delta: -31.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2343.37ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 34.4MB in the end (delta: 25.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1939.14ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 36.2MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 81.8MB. Free memory was 36.2MB in the beginning and 35.7MB in the end (delta: 496.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible 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={-2147483648:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 24 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 05:22:14,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca0c9fce-bdca-4a44-a763-ccf033a49f6c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample