./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:16:33,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:16:33,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:16:33,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:16:33,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:16:33,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:16:33,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:16:33,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:16:33,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:16:33,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:16:33,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:16:33,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:16:33,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:16:33,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:16:33,420 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:16:33,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:16:33,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:16:33,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:16:33,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:16:33,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:16:33,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:16:33,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:16:33,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:16:33,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:16:33,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:16:33,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:16:33,426 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:16:33,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:16:33,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:16:33,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:16:33,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:16:33,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:16:33,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:16:33,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:16:33,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:16:33,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:16:33,429 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 12:16:33,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:16:33,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:16:33,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:16:33,437 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:16:33,437 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:16:33,437 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:16:33,437 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:16:33,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:16:33,438 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:16:33,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:16:33,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:16:33,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 -> d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 [2018-12-08 12:16:33,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:16:33,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:16:33,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:16:33,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:16:33,466 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:16:33,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:33,502 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/32fb03901/9b932db7c52348d8886dbc138d205d9e/FLAG0f7038267 [2018-12-08 12:16:33,986 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:16:33,987 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:33,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/32fb03901/9b932db7c52348d8886dbc138d205d9e/FLAG0f7038267 [2018-12-08 12:16:34,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/32fb03901/9b932db7c52348d8886dbc138d205d9e [2018-12-08 12:16:34,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:16:34,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 12:16:34,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:16:34,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:16:34,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:16:34,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461c4b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34, skipping insertion in model container [2018-12-08 12:16:34,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:16:34,038 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:16:34,256 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:16:34,267 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:16:34,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:16:34,338 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:16:34,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34 WrapperNode [2018-12-08 12:16:34,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:16:34,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:16:34,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:16:34,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:16:34,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... [2018-12-08 12:16:34,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:16:34,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:16:34,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:16:34,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:16:34,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 12:16:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 12:16:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 12:16:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:16:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 12:16:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 12:16:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 12:16:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 12:16:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 12:16:34,419 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 12:16:34,420 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 12:16:34,421 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 12:16:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 12:16:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 12:16:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 12:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 12:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 12:16:34,646 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:16:34,786 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:16:34,909 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:16:34,909 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 12:16:34,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:34 BoogieIcfgContainer [2018-12-08 12:16:34,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:16:34,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:16:34,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:16:34,912 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:16:34,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:16:34" (1/3) ... [2018-12-08 12:16:34,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d3a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:16:34, skipping insertion in model container [2018-12-08 12:16:34,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:34" (2/3) ... [2018-12-08 12:16:34,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d3a330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:16:34, skipping insertion in model container [2018-12-08 12:16:34,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:34" (3/3) ... [2018-12-08 12:16:34,914 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:34,920 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:16:34,925 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-12-08 12:16:34,935 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-12-08 12:16:34,950 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:16:34,951 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:16:34,951 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 12:16:34,951 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:16:34,951 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:16:34,951 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:16:34,951 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:16:34,951 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:16:34,951 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:16:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-12-08 12:16:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:16:34,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:34,968 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:34,970 INFO L423 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:34,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:34,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1222878672, now seen corresponding path program 1 times [2018-12-08 12:16:34,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:34,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:16:35,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:35,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:16:35,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:35,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:35,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,111 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-12-08 12:16:35,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:35,140 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-12-08 12:16:35,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:35,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-12-08 12:16:35,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:35,147 INFO L225 Difference]: With dead ends: 38 [2018-12-08 12:16:35,147 INFO L226 Difference]: Without dead ends: 35 [2018-12-08 12:16:35,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-08 12:16:35,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2018-12-08 12:16:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-08 12:16:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-12-08 12:16:35,173 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 16 [2018-12-08 12:16:35,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:35,173 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-12-08 12:16:35,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-12-08 12:16:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:16:35,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:35,175 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:35,175 INFO L423 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:35,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1329278289, now seen corresponding path program 1 times [2018-12-08 12:16:35,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:35,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:16:35,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:35,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:16:35,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:16:35,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:16:35,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:16:35,212 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-12-08 12:16:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:35,236 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-12-08 12:16:35,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:16:35,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-12-08 12:16:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:35,236 INFO L225 Difference]: With dead ends: 36 [2018-12-08 12:16:35,236 INFO L226 Difference]: Without dead ends: 33 [2018-12-08 12:16:35,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:16:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-08 12:16:35,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2018-12-08 12:16:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-08 12:16:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-12-08 12:16:35,240 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2018-12-08 12:16:35,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:35,240 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-12-08 12:16:35,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:16:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-08 12:16:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:16:35,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:35,240 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:35,241 INFO L423 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:35,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:35,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1284434853, now seen corresponding path program 1 times [2018-12-08 12:16:35,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:35,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:35,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:35,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:35,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:35,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:35,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,284 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2018-12-08 12:16:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:35,290 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-12-08 12:16:35,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:35,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-08 12:16:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:35,291 INFO L225 Difference]: With dead ends: 22 [2018-12-08 12:16:35,291 INFO L226 Difference]: Without dead ends: 22 [2018-12-08 12:16:35,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-08 12:16:35,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-08 12:16:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-08 12:16:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-12-08 12:16:35,293 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2018-12-08 12:16:35,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:35,294 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-12-08 12:16:35,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-12-08 12:16:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:16:35,294 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:35,294 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:35,295 INFO L423 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:35,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:35,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1162774420, now seen corresponding path program 1 times [2018-12-08 12:16:35,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:35,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:35,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:35,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:35,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:35,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:35,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,332 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2018-12-08 12:16:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:35,355 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-12-08 12:16:35,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:35,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 12:16:35,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:35,356 INFO L225 Difference]: With dead ends: 27 [2018-12-08 12:16:35,356 INFO L226 Difference]: Without dead ends: 27 [2018-12-08 12:16:35,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-08 12:16:35,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-08 12:16:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-08 12:16:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-12-08 12:16:35,360 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2018-12-08 12:16:35,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:35,360 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-12-08 12:16:35,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-12-08 12:16:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:16:35,361 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:35,361 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:35,361 INFO L423 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:35,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:35,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1134145269, now seen corresponding path program 1 times [2018-12-08 12:16:35,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:35,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:35,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:35,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:35,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:35,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:35,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,403 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 5 states. [2018-12-08 12:16:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:35,411 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-12-08 12:16:35,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:35,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 12:16:35,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:35,412 INFO L225 Difference]: With dead ends: 28 [2018-12-08 12:16:35,413 INFO L226 Difference]: Without dead ends: 28 [2018-12-08 12:16:35,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:35,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-08 12:16:35,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2018-12-08 12:16:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-08 12:16:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-12-08 12:16:35,415 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 21 [2018-12-08 12:16:35,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:35,416 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-12-08 12:16:35,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-08 12:16:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:16:35,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:35,416 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:35,417 INFO L423 AbstractCegarLoop]: === Iteration 6 === [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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:35,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:35,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1301142269, now seen corresponding path program 1 times [2018-12-08 12:16:35,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:16:35,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:16:35,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:35,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:16:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:16:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:16:35,447 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 12:16:35,453 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 12:16:35,456 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:16:35,456 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:16:35,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:16:35 BoogieIcfgContainer [2018-12-08 12:16:35,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:16:35,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:16:35,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:16:35,462 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:16:35,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:34" (3/4) ... [2018-12-08 12:16:35,465 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:16:35,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:16:35,465 INFO L168 Benchmark]: Toolchain (without parser) took 1459.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 951.7 MB in the beginning and 909.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 153.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:35,467 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:35,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:35,467 INFO L168 Benchmark]: Boogie Preprocessor took 42.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:35,468 INFO L168 Benchmark]: RCFGBuilder took 527.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:35,468 INFO L168 Benchmark]: TraceAbstraction took 551.68 ms. Allocated memory is still 1.1 GB. Free memory was 979.7 MB in the beginning and 909.8 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:35,468 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 909.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:35,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 527.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 551.68 ms. Allocated memory is still 1.1 GB. Free memory was 979.7 MB in the beginning and 909.8 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 909.8 MB. There was no memory consumed. Max. memory is 11.5 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: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 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: 1443]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1443. Possible FailurePath: [L1135] 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={13:0}] [L1444] CALL entry_point() VAL [ldv_global_msg_list={13:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={13:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={15:0}, ldv_global_msg_list={13:0}, malloc(size)={15:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={13:0}, ldv_malloc(sizeof(int))={15:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] COND TRUE \read(*p) VAL [ldv_global_msg_list={13:0}, p={15:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={13:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, ldv_global_msg_list={13:0}, malloc(size)={12:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={13:0}, ldv_malloc(sizeof(int))={12:0}, p={15:0}] [L1437] int *q = (int *)ldv_malloc(sizeof(int)); [L1438] free(q) VAL [ldv_global_msg_list={13:0}, p={15:0}, q={12:0}] [L1438] free(q) [L1444] RET entry_point() VAL [ldv_global_msg_list={13:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 314 locations, 69 error locations. UNSAFE Result, 0.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 18 SDslu, 268 SDs, 0 SdLazy, 68 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 2873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:16:36,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:16:36,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:16:36,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:16:36,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:16:36,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:16:36,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:16:36,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:16:36,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:16:36,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:16:36,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:16:36,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:16:36,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:16:36,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:16:36,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:16:36,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:16:36,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:16:36,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:16:36,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:16:36,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:16:36,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:16:36,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:16:36,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:16:36,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:16:36,855 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:16:36,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:16:36,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:16:36,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:16:36,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:16:36,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:16:36,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:16:36,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:16:36,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:16:36,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:16:36,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:16:36,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:16:36,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-08 12:16:36,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:16:36,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:16:36,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:16:36,868 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:16:36,868 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:16:36,868 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:16:36,868 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:16:36,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 12:16:36,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:16:36,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:16:36,870 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:16:36,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 12:16:36,871 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 -> d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 [2018-12-08 12:16:36,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:16:36,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:16:36,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:16:36,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:16:36,899 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:16:36,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:36,934 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/cd9a4c30b/dbc2316137d34576a696d2c47d95be62/FLAGa8090eb92 [2018-12-08 12:16:37,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:16:37,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/sv-benchmarks/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:37,362 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/cd9a4c30b/dbc2316137d34576a696d2c47d95be62/FLAGa8090eb92 [2018-12-08 12:16:37,370 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/data/cd9a4c30b/dbc2316137d34576a696d2c47d95be62 [2018-12-08 12:16:37,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:16:37,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 12:16:37,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:16:37,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:16:37,375 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:16:37,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37, skipping insertion in model container [2018-12-08 12:16:37,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:16:37,405 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:16:37,594 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:16:37,640 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:16:37,685 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:16:37,725 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:16:37,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37 WrapperNode [2018-12-08 12:16:37,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:16:37,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:16:37,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:16:37,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:16:37,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... [2018-12-08 12:16:37,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:16:37,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:16:37,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:16:37,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:16:37,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/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 [2018-12-08 12:16:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:16:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 12:16:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 12:16:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 12:16:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 12:16:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 12:16:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:16:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 12:16:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 12:16:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 12:16:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 12:16:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 12:16:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 12:16:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 12:16:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 12:16:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 12:16:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 12:16:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 12:16:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 12:16:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 12:16:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 12:16:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 12:16:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 12:16:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 12:16:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:16:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 12:16:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 12:16:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 12:16:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 12:16:38,108 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:16:38,333 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:16:38,528 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:16:38,528 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 12:16:38,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:38 BoogieIcfgContainer [2018-12-08 12:16:38,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:16:38,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:16:38,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:16:38,531 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:16:38,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:16:37" (1/3) ... [2018-12-08 12:16:38,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3262687b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:16:38, skipping insertion in model container [2018-12-08 12:16:38,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:16:37" (2/3) ... [2018-12-08 12:16:38,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3262687b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:16:38, skipping insertion in model container [2018-12-08 12:16:38,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:38" (3/3) ... [2018-12-08 12:16:38,533 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_false-valid-memtrack_true-termination.i [2018-12-08 12:16:38,539 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:16:38,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-12-08 12:16:38,554 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-12-08 12:16:38,568 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:16:38,569 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:16:38,569 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 12:16:38,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:16:38,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:16:38,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:16:38,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:16:38,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:16:38,569 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:16:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-12-08 12:16:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:16:38,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:38,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:38,585 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:38,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:38,589 INFO L82 PathProgramCache]: Analyzing trace with hash -433352750, now seen corresponding path program 1 times [2018-12-08 12:16:38,591 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:38,591 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:38,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:38,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:16:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:16:38,680 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:16:38,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:38,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:16:38,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:38,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:38,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:38,694 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-12-08 12:16:38,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:38,719 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-12-08 12:16:38,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:38,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-12-08 12:16:38,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:38,726 INFO L225 Difference]: With dead ends: 38 [2018-12-08 12:16:38,726 INFO L226 Difference]: Without dead ends: 35 [2018-12-08 12:16:38,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:38,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-08 12:16:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2018-12-08 12:16:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-08 12:16:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-12-08 12:16:38,752 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 16 [2018-12-08 12:16:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:38,752 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-12-08 12:16:38,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-12-08 12:16:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:16:38,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:38,753 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:38,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:38,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:38,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1309457585, now seen corresponding path program 1 times [2018-12-08 12:16:38,754 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:38,754 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:38,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:38,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:16:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:16:38,789 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:16:38,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:38,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:16:38,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:16:38,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:16:38,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:16:38,792 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-12-08 12:16:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:38,822 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-12-08 12:16:38,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:16:38,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-12-08 12:16:38,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:38,823 INFO L225 Difference]: With dead ends: 36 [2018-12-08 12:16:38,824 INFO L226 Difference]: Without dead ends: 33 [2018-12-08 12:16:38,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:16:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-08 12:16:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2018-12-08 12:16:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-08 12:16:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-12-08 12:16:38,827 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2018-12-08 12:16:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:38,827 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-12-08 12:16:38,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:16:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-08 12:16:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:16:38,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:38,828 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:38,828 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:38,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:38,828 INFO L82 PathProgramCache]: Analyzing trace with hash 948240923, now seen corresponding path program 1 times [2018-12-08 12:16:38,828 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:38,829 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:38,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:38,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:16:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:38,899 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:16:38,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:38,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:38,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:38,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:38,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:38,901 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2018-12-08 12:16:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:38,910 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-12-08 12:16:38,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:38,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-08 12:16:38,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:38,911 INFO L225 Difference]: With dead ends: 22 [2018-12-08 12:16:38,911 INFO L226 Difference]: Without dead ends: 22 [2018-12-08 12:16:38,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-08 12:16:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-08 12:16:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-08 12:16:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-12-08 12:16:38,914 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2018-12-08 12:16:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:38,915 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-12-08 12:16:38,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-12-08 12:16:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:16:38,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:38,915 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:38,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:38,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:38,916 INFO L82 PathProgramCache]: Analyzing trace with hash -669302101, now seen corresponding path program 1 times [2018-12-08 12:16:38,916 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:38,916 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:38,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:38,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:16:38,990 INFO L478 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 [2018-12-08 12:16:38,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:16:38,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:16:38,994 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 12:16:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:39,015 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:16:39,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:39,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:39,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:39,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:39,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:39,017 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2018-12-08 12:16:39,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:39,053 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-12-08 12:16:39,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:39,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 12:16:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:39,054 INFO L225 Difference]: With dead ends: 27 [2018-12-08 12:16:39,054 INFO L226 Difference]: Without dead ends: 27 [2018-12-08 12:16:39,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-08 12:16:39,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-08 12:16:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-08 12:16:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-12-08 12:16:39,057 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2018-12-08 12:16:39,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:39,057 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-12-08 12:16:39,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-12-08 12:16:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 12:16:39,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:39,058 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:39,058 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:39,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:39,058 INFO L82 PathProgramCache]: Analyzing trace with hash -640672950, now seen corresponding path program 1 times [2018-12-08 12:16:39,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:39,059 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:39,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:16:39,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:16:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:16:39,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:16:39,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:16:39,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:16:39,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:16:39,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:16:39,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:39,107 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 5 states. [2018-12-08 12:16:39,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:16:39,118 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-12-08 12:16:39,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:16:39,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-08 12:16:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:16:39,119 INFO L225 Difference]: With dead ends: 28 [2018-12-08 12:16:39,119 INFO L226 Difference]: Without dead ends: 28 [2018-12-08 12:16:39,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:16:39,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-08 12:16:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2018-12-08 12:16:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-08 12:16:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-12-08 12:16:39,121 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 21 [2018-12-08 12:16:39,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:16:39,122 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-12-08 12:16:39,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:16:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-08 12:16:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:16:39,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:16:39,122 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:16:39,123 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 12:16:39,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:16:39,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1940342140, now seen corresponding path program 1 times [2018-12-08 12:16:39,123 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:16:39,123 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_829767f0-b80a-4f69-95ae-b9783d150c96/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:16:39,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:16:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:16:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:16:39,248 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 12:16:39,255 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 12:16:39,259 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:16:39,259 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:16:39,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:16:39 BoogieIcfgContainer [2018-12-08 12:16:39,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:16:39,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:16:39,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:16:39,265 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:16:39,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:16:38" (3/4) ... [2018-12-08 12:16:39,267 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:16:39,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:16:39,268 INFO L168 Benchmark]: Toolchain (without parser) took 1895.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 894.1 MB in the end (delta: 45.3 MB). Peak memory consumption was 197.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:39,269 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:39,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:39,270 INFO L168 Benchmark]: Boogie Preprocessor took 47.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:39,270 INFO L168 Benchmark]: RCFGBuilder took 755.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:39,270 INFO L168 Benchmark]: TraceAbstraction took 734.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 894.1 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:16:39,270 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 894.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:16:39,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 755.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 734.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 894.1 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 894.1 MB. There was no memory consumed. Max. memory is 11.5 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 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1443]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1443. Possible FailurePath: [L1135] 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={-1073738617:0}] [L1444] CALL entry_point() VAL [ldv_global_msg_list={-1073738617:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1073738617:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1073745030:0}, ldv_global_msg_list={-1073738617:0}, malloc(size)={1073745030:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1073738617:0}, ldv_malloc(sizeof(int))={1073745030:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] COND TRUE \read(*p) VAL [ldv_global_msg_list={-1073738617:0}, p={1073745030:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1073738617:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-1073739332:0}, ldv_global_msg_list={-1073738617:0}, malloc(size)={-1073739332:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1073738617:0}, ldv_malloc(sizeof(int))={-1073739332:0}, p={1073745030:0}] [L1437] int *q = (int *)ldv_malloc(sizeof(int)); [L1438] free(q) VAL [ldv_global_msg_list={-1073738617:0}, p={1073745030:0}, q={-1073739332:0}] [L1438] free(q) [L1444] RET entry_point() VAL [ldv_global_msg_list={-1073738617:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 313 locations, 69 error locations. UNSAFE Result, 0.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 18 SDslu, 268 SDs, 0 SdLazy, 68 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 3073 SizeOfPredicates, 3 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...