./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61683ce69ab6e0be34131bf5e9c8287c381247ab .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61683ce69ab6e0be34131bf5e9c8287c381247ab ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:06:50,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:06:50,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:06:50,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:06:50,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:06:50,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:06:50,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:06:50,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:06:50,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:06:50,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:06:50,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:06:50,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:06:50,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:06:50,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:06:50,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:06:50,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:06:50,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:06:50,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:06:50,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:06:50,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:06:50,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:06:50,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:06:50,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:06:50,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:06:50,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:06:50,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:06:50,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:06:50,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:06:50,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:06:50,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:06:50,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:06:50,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:06:50,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:06:50,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:06:50,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:06:50,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:06:50,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:06:50,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:06:50,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:06:50,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:06:50,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:06:50,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:06:50,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:06:50,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:06:50,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:06:50,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:06:50,570 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:06:50,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:06:50,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:06:50,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:06:50,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:06:50,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:06:50,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:06:50,572 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:06:50,572 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:06:50,573 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:06:50,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:06:50,573 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:06:50,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:06:50,573 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:06:50,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:06:50,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:06:50,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:06:50,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:06:50,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:50,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:06:50,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:06:50,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:06:50,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:06:50,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:06:50,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2020-11-30 00:06:50,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:06:50,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:06:50,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:06:50,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:06:50,932 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:06:50,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-11-30 00:06:51,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/fc8ff2253/3fc2fdda494540c9981544b2593fb22c/FLAG1f0048822 [2020-11-30 00:06:51,689 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:06:51,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-11-30 00:06:51,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/fc8ff2253/3fc2fdda494540c9981544b2593fb22c/FLAG1f0048822 [2020-11-30 00:06:52,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/fc8ff2253/3fc2fdda494540c9981544b2593fb22c [2020-11-30 00:06:52,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:06:52,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:06:52,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:52,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:06:52,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:06:52,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:52" (1/1) ... [2020-11-30 00:06:52,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28321e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:52, skipping insertion in model container [2020-11-30 00:06:52,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:52" (1/1) ... [2020-11-30 00:06:52,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:06:52,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:06:52,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:52,737 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-30 00:06:52,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f58c8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:52, skipping insertion in model container [2020-11-30 00:06:52,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:52,738 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:06:52,742 INFO L168 Benchmark]: Toolchain (without parser) took 715.58 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 68.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:52,744 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:06:52,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 68.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:52,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 68.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:06:55,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:06:55,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:06:55,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:06:55,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:06:55,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:06:55,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:06:55,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:06:55,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:06:55,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:06:55,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:06:55,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:06:55,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:06:55,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:06:55,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:06:55,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:06:55,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:06:55,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:06:55,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:06:55,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:06:55,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:06:55,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:06:55,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:06:55,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:06:55,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:06:55,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:06:55,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:06:55,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:06:55,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:06:55,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:06:55,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:06:55,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:06:55,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:06:55,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:06:55,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:06:55,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:06:55,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:06:55,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:06:55,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:06:55,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:06:55,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:06:55,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:06:55,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:06:55,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:06:55,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:06:55,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:06:55,323 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:06:55,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:06:55,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:06:55,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:06:55,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:06:55,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:06:55,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:06:55,326 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:06:55,326 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:06:55,326 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:06:55,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:06:55,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:06:55,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:06:55,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:06:55,327 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:06:55,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:06:55,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:06:55,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:06:55,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:06:55,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:06:55,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:55,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:06:55,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:06:55,329 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:06:55,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:06:55,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:06:55,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:06:55,330 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2020-11-30 00:06:55,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:06:55,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:06:55,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:06:55,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:06:55,767 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:06:55,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-11-30 00:06:55,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/7f81577d9/3994542755bd44c28e84d4f8af20fb67/FLAG52d56500d [2020-11-30 00:06:56,573 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:06:56,574 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-11-30 00:06:56,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/7f81577d9/3994542755bd44c28e84d4f8af20fb67/FLAG52d56500d [2020-11-30 00:06:56,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/data/7f81577d9/3994542755bd44c28e84d4f8af20fb67 [2020-11-30 00:06:56,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:06:56,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:06:56,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:56,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:06:56,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:06:56,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:56" (1/1) ... [2020-11-30 00:06:56,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfa3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:56, skipping insertion in model container [2020-11-30 00:06:56,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:56" (1/1) ... [2020-11-30 00:06:56,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:06:56,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:06:57,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:57,430 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:06:57,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:06:57,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:57,557 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:06:57,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:57,781 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:06:57,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57 WrapperNode [2020-11-30 00:06:57,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:57,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:06:57,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:06:57,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:06:57,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... [2020-11-30 00:06:57,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:06:57,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:06:57,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:06:57,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:06:57,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:58,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 00:06:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:06:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:06:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:06:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 00:06:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 00:06:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 00:06:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 00:06:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 00:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 00:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 00:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 00:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 00:06:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 00:06:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 00:06:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 00:06:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 00:06:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 00:06:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 00:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 00:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 00:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 00:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 00:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 00:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 00:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 00:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 00:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 00:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 00:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 00:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 00:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 00:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 00:06:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 00:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 00:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 00:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 00:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 00:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 00:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 00:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 00:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 00:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 00:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 00:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 00:06:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 00:06:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:06:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 00:06:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 00:06:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 00:06:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 00:06:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 00:06:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 00:06:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 00:06:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:06:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:06:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:06:58,867 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:06:59,340 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:06:59,792 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:06:59,793 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 00:06:59,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:59 BoogieIcfgContainer [2020-11-30 00:06:59,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:06:59,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:06:59,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:06:59,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:06:59,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:56" (1/3) ... [2020-11-30 00:06:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1186777d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:59, skipping insertion in model container [2020-11-30 00:06:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:57" (2/3) ... [2020-11-30 00:06:59,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1186777d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:59, skipping insertion in model container [2020-11-30 00:06:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:59" (3/3) ... [2020-11-30 00:06:59,805 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2020-11-30 00:06:59,818 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:06:59,823 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-30 00:06:59,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-30 00:06:59,857 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:06:59,858 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 00:06:59,858 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:06:59,858 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:06:59,858 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:06:59,858 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:06:59,858 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:06:59,858 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:06:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-11-30 00:06:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:06:59,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:59,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:59,884 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:06:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:59,890 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2020-11-30 00:06:59,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:06:59,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848727824] [2020-11-30 00:06:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:07:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:00,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:07:00,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:00,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:07:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:00,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848727824] [2020-11-30 00:07:00,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:00,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:07:00,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868247310] [2020-11-30 00:07:00,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:07:00,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:07:00,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:07:00,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:07:00,437 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 9 states. [2020-11-30 00:07:00,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:00,545 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-11-30 00:07:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:07:00,548 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-11-30 00:07:00,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:00,560 INFO L225 Difference]: With dead ends: 35 [2020-11-30 00:07:00,561 INFO L226 Difference]: Without dead ends: 32 [2020-11-30 00:07:00,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:07:00,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-11-30 00:07:00,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-11-30 00:07:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-30 00:07:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-11-30 00:07:00,606 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2020-11-30 00:07:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:00,607 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-11-30 00:07:00,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:07:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-11-30 00:07:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:07:00,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:00,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:00,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:07:00,833 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:07:00,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:00,834 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2020-11-30 00:07:00,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:07:00,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092692131] [2020-11-30 00:07:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:07:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:01,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:07:01,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:01,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:07:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:01,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092692131] [2020-11-30 00:07:01,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:01,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-11-30 00:07:01,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571261027] [2020-11-30 00:07:01,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-30 00:07:01,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:07:01,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-30 00:07:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-11-30 00:07:01,886 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2020-11-30 00:07:02,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:02,514 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-11-30 00:07:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-30 00:07:02,515 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2020-11-30 00:07:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:02,518 INFO L225 Difference]: With dead ends: 48 [2020-11-30 00:07:02,519 INFO L226 Difference]: Without dead ends: 48 [2020-11-30 00:07:02,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-11-30 00:07:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-11-30 00:07:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2020-11-30 00:07:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 00:07:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-11-30 00:07:02,532 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2020-11-30 00:07:02,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:02,533 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-11-30 00:07:02,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-30 00:07:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-11-30 00:07:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:07:02,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:02,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:02,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:07:02,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:07:02,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:02,753 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2020-11-30 00:07:02,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:07:02,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384871661] [2020-11-30 00:07:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:07:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:02,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:07:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:03,026 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-30 00:07:03,027 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:07:03,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:07:03,031 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:07:03,031 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 00:07:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:03,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:07:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:03,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384871661] [2020-11-30 00:07:03,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:03,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:07:03,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887907852] [2020-11-30 00:07:03,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:07:03,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:07:03,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:07:03,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:07:03,277 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2020-11-30 00:07:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:03,458 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-11-30 00:07:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:07:03,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-11-30 00:07:03,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:03,461 INFO L225 Difference]: With dead ends: 47 [2020-11-30 00:07:03,461 INFO L226 Difference]: Without dead ends: 47 [2020-11-30 00:07:03,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:07:03,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-30 00:07:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-11-30 00:07:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-30 00:07:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2020-11-30 00:07:03,482 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2020-11-30 00:07:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:03,483 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2020-11-30 00:07:03,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:07:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2020-11-30 00:07:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:07:03,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:03,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:03,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:07:03,689 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:07:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:03,690 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2020-11-30 00:07:03,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:07:03,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614068215] [2020-11-30 00:07:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:07:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:03,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 00:07:03,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:03,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:07:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:04,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614068215] [2020-11-30 00:07:04,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:04,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:07:04,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425897919] [2020-11-30 00:07:04,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:07:04,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:07:04,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:07:04,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:07:04,052 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 9 states. [2020-11-30 00:07:04,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:04,129 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-11-30 00:07:04,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:07:04,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-11-30 00:07:04,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:04,131 INFO L225 Difference]: With dead ends: 48 [2020-11-30 00:07:04,131 INFO L226 Difference]: Without dead ends: 48 [2020-11-30 00:07:04,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:07:04,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-11-30 00:07:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2020-11-30 00:07:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-30 00:07:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-11-30 00:07:04,136 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2020-11-30 00:07:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:04,136 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-11-30 00:07:04,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:07:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-11-30 00:07:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:07:04,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:04,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:04,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:07:04,351 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:07:04,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:04,352 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2020-11-30 00:07:04,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:07:04,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471782317] [2020-11-30 00:07:04,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9cd83f96-0cf6-411b-8af3-66cf4d291985/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 00:07:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:07:04,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:07:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:07:04,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:07:04,611 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:07:04,611 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:07:04,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 00:07:04,822 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-30 00:07:04,827 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-30 00:07:04,827 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-30 00:07:04,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:07:04 BoogieIcfgContainer [2020-11-30 00:07:04,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:07:04,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:07:04,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:07:04,837 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:07:04,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:59" (3/4) ... [2020-11-30 00:07:04,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:07:04,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:07:04,843 INFO L168 Benchmark]: Toolchain (without parser) took 8033.59 ms. Allocated memory was 56.6 MB in the beginning and 132.1 MB in the end (delta: 75.5 MB). Free memory was 33.2 MB in the beginning and 85.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:04,843 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:04,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 969.76 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 33.0 MB in the beginning and 44.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:04,845 INFO L168 Benchmark]: Boogie Preprocessor took 176.24 ms. Allocated memory is still 73.4 MB. Free memory was 44.0 MB in the beginning and 39.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:04,846 INFO L168 Benchmark]: RCFGBuilder took 1833.49 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 39.1 MB in the beginning and 54.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:04,846 INFO L168 Benchmark]: TraceAbstraction took 5038.32 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 53.4 MB in the beginning and 85.6 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:04,847 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 132.1 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:04,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 969.76 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 33.0 MB in the beginning and 44.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.24 ms. Allocated memory is still 73.4 MB. Free memory was 44.0 MB in the beginning and 39.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1833.49 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 39.1 MB in the beginning and 54.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5038.32 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 53.4 MB in the beginning and 85.6 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.91 ms. Allocated memory is still 132.1 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. 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={3:0}] [L775] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}] [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={3:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 91 SDslu, 750 SDs, 0 SdLazy, 408 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 144 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 11104 SizeOfPredicates, 13 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...