./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ed29e343041979fe95e5835578848b9a30317117 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:37:42,563 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:37:42,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:37:42,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:37:42,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:37:42,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:37:42,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:37:42,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:37:42,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:37:42,583 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:37:42,584 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:37:42,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:37:42,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:37:42,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:37:42,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:37:42,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:37:42,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:37:42,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:37:42,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:37:42,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:37:42,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:37:42,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:37:42,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:37:42,601 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:37:42,601 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:37:42,602 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:37:42,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:37:42,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:37:42,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:37:42,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:37:42,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:37:42,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:37:42,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:37:42,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:37:42,609 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:37:42,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:37:42,610 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:37:42,625 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:37:42,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:37:42,627 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:37:42,627 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:37:42,627 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:37:42,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:37:42,628 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:37:42,628 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:37:42,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:37:42,628 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:37:42,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:37:42,629 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:37:42,629 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:37:42,629 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:37:42,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:37:42,630 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:37:42,630 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:37:42,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:37:42,630 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:37:42,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:37:42,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:37:42,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:37:42,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:37:42,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:37:42,631 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:37:42,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:37:42,632 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ed29e343041979fe95e5835578848b9a30317117 [2019-01-01 18:37:42,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:37:42,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:37:42,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:37:42,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:37:42,689 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:37:42,690 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-01 18:37:42,756 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3222f7a11/e48ce59654c94549b8b95938f9d6824a/FLAGf35c05734 [2019-01-01 18:37:43,362 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:37:43,365 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-01 18:37:43,391 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3222f7a11/e48ce59654c94549b8b95938f9d6824a/FLAGf35c05734 [2019-01-01 18:37:43,575 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3222f7a11/e48ce59654c94549b8b95938f9d6824a [2019-01-01 18:37:43,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:37:43,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:37:43,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:37:43,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:37:43,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:37:43,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:37:43" (1/1) ... [2019-01-01 18:37:43,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccd2864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:43, skipping insertion in model container [2019-01-01 18:37:43,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:37:43" (1/1) ... [2019-01-01 18:37:43,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:37:43,669 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:37:44,183 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:37:44,209 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:37:44,383 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:37:44,487 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:37:44,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44 WrapperNode [2019-01-01 18:37:44,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:37:44,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:37:44,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:37:44,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:37:44,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... [2019-01-01 18:37:44,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:37:44,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:37:44,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:37:44,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:37:44,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 18:37:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:37:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:37:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:37:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:37:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:37:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:37:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:37:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:37:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:37:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:37:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:37:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:37:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:37:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:37:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:37:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:37:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:37:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:37:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:37:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:37:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:37:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:37:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:37:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:37:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:37:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:37:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:37:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:37:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:37:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:37:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:37:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:37:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:37:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:37:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:37:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:37:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:37:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:37:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:37:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:37:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:37:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:37:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:37:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:37:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:37:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:37:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:37:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:37:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:37:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:37:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:37:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:37:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:37:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:37:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:37:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:37:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:37:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:37:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:37:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:37:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:37:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:37:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:37:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:37:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:37:45,423 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:37:46,151 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:37:46,697 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:37:46,698 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:37:46,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:37:46 BoogieIcfgContainer [2019-01-01 18:37:46,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:37:46,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:37:46,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:37:46,702 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:37:46,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:37:43" (1/3) ... [2019-01-01 18:37:46,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f2dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:37:46, skipping insertion in model container [2019-01-01 18:37:46,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:37:44" (2/3) ... [2019-01-01 18:37:46,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f2dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:37:46, skipping insertion in model container [2019-01-01 18:37:46,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:37:46" (3/3) ... [2019-01-01 18:37:46,706 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_true-valid-memsafety_true-termination.i [2019-01-01 18:37:46,714 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:37:46,722 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-01-01 18:37:46,740 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-01-01 18:37:46,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:37:46,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:37:46,768 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:37:46,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:37:46,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:37:46,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:37:46,769 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:37:46,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:37:46,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:37:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-01-01 18:37:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:37:46,801 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:37:46,802 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:37:46,805 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:37:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:37:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1945389484, now seen corresponding path program 1 times [2019-01-01 18:37:46,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:37:46,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:37:46,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:46,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:37:46,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:37:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:37:47,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:37:47,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:37:47,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:37:47,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:37:47,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:37:47,243 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-01-01 18:37:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:37:47,620 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2019-01-01 18:37:47,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:37:47,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-01 18:37:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:37:47,633 INFO L225 Difference]: With dead ends: 53 [2019-01-01 18:37:47,633 INFO L226 Difference]: Without dead ends: 50 [2019-01-01 18:37:47,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:37:47,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-01 18:37:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 35. [2019-01-01 18:37:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-01 18:37:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-01-01 18:37:47,680 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 16 [2019-01-01 18:37:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:37:47,681 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-01-01 18:37:47,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:37:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-01-01 18:37:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-01 18:37:47,683 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:37:47,683 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:37:47,684 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:37:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:37:47,685 INFO L82 PathProgramCache]: Analyzing trace with hash -606767477, now seen corresponding path program 1 times [2019-01-01 18:37:47,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:37:47,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:37:47,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:47,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:37:47,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:37:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:37:47,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:37:47,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:37:47,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:37:47,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:37:47,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:37:47,744 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 3 states. [2019-01-01 18:37:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:37:47,848 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2019-01-01 18:37:47,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:37:47,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-01-01 18:37:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:37:47,850 INFO L225 Difference]: With dead ends: 46 [2019-01-01 18:37:47,851 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:37:47,851 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 [2019-01-01 18:37:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:37:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 31. [2019-01-01 18:37:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-01 18:37:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-01-01 18:37:47,859 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 16 [2019-01-01 18:37:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:37:47,859 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-01-01 18:37:47,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:37:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-01 18:37:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:37:47,860 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:37:47,860 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:37:47,862 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:37:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:37:47,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2130356133, now seen corresponding path program 1 times [2019-01-01 18:37:47,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:37:47,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:37:47,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:47,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:37:47,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:37:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:37:47,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:37:47,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:37:47,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:37:47,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:37:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:37:47,949 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 5 states. [2019-01-01 18:37:47,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:37:47,968 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-01-01 18:37:47,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:37:47,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-01 18:37:47,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:37:47,970 INFO L225 Difference]: With dead ends: 30 [2019-01-01 18:37:47,970 INFO L226 Difference]: Without dead ends: 30 [2019-01-01 18:37:47,971 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 [2019-01-01 18:37:47,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-01 18:37:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-01 18:37:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-01 18:37:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-01-01 18:37:47,975 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-01-01 18:37:47,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:37:47,977 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-01-01 18:37:47,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:37:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-01-01 18:37:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:37:47,978 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:37:47,978 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:37:47,980 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:37:47,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:37:47,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1616530316, now seen corresponding path program 1 times [2019-01-01 18:37:47,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:37:47,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:37:47,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:47,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:37:47,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:37:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-01 18:37:48,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:37:48,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:37:48,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:37:48,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:37:48,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:37:48,090 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 5 states. [2019-01-01 18:37:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:37:48,207 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-01-01 18:37:48,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:37:48,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-01 18:37:48,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:37:48,210 INFO L225 Difference]: With dead ends: 35 [2019-01-01 18:37:48,210 INFO L226 Difference]: Without dead ends: 35 [2019-01-01 18:37:48,210 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 [2019-01-01 18:37:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-01 18:37:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-01 18:37:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-01 18:37:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2019-01-01 18:37:48,216 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 21 [2019-01-01 18:37:48,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:37:48,216 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2019-01-01 18:37:48,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:37:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2019-01-01 18:37:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:37:48,219 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:37:48,219 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:37:48,219 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:37:48,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:37:48,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1587901165, now seen corresponding path program 1 times [2019-01-01 18:37:48,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:37:48,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:37:48,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:48,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:37:48,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:37:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:37:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:37:48,314 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:37:48,331 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# [2019-01-01 18:37:48,332 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# [2019-01-01 18:37:48,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:37:48 BoogieIcfgContainer [2019-01-01 18:37:48,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:37:48,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:37:48,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:37:48,343 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:37:48,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:37:46" (3/4) ... [2019-01-01 18:37:48,346 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 18:37:48,353 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# [2019-01-01 18:37:48,353 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# [2019-01-01 18:37:48,400 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 18:37:48,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:37:48,402 INFO L168 Benchmark]: Toolchain (without parser) took 4822.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.0 MB in the beginning and 926.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:37:48,404 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:37:48,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:37:48,405 INFO L168 Benchmark]: Boogie Preprocessor took 96.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:37:48,407 INFO L168 Benchmark]: RCFGBuilder took 2112.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.6 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:37:48,408 INFO L168 Benchmark]: TraceAbstraction took 1643.22 ms. Allocated memory is still 1.2 GB. Free memory was 988.6 MB in the beginning and 926.0 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:37:48,408 INFO L168 Benchmark]: Witness Printer took 58.06 ms. Allocated memory is still 1.2 GB. Free memory is still 926.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:37:48,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 906.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2112.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.6 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1643.22 ms. Allocated memory is still 1.2 GB. Free memory was 988.6 MB in the beginning and 926.0 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * Witness Printer took 58.06 ms. Allocated memory is still 1.2 GB. Free memory is still 926.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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# - 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# - 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1437]: free of unallocated memory possible free of unallocated memory possible We found a 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={-1:0}] [L1443] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={2:0}, ldv_global_msg_list={-1:0}, malloc(size)={2:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(int))={2:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] COND TRUE \read(*p) VAL [ldv_global_msg_list={-1:0}, p={2:0}] [L1436] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1:0}] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={-1:0}, size=4] [L1436] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(int))={0:0}, p={2:0}] [L1436] int *q = (int *)ldv_malloc(sizeof(int)); [L1437] free(q) VAL [ldv_global_msg_list={-1:0}, p={2:0}, q={0:0}] [L1437] free(q) VAL [ldv_global_msg_list={-1:0}, p={2:0}, q={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 330 locations, 77 error locations. UNSAFE Result, 1.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 44 SDslu, 234 SDs, 0 SdLazy, 86 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 2273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...