./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.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_test8_2_false-valid-free.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 92af3b6badb8feb06eec2591339d42260d19262b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:18:19,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:18:19,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:18:19,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:18:19,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:18:19,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:18:19,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:18:19,061 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:18:19,063 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:18:19,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:18:19,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:18:19,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:18:19,066 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:18:19,067 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:18:19,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:18:19,069 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:18:19,070 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:18:19,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:18:19,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:18:19,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:18:19,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:18:19,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:18:19,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:18:19,095 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:18:19,096 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:18:19,097 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:18:19,098 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:18:19,098 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:18:19,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:18:19,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:18:19,104 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:18:19,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:18:19,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:18:19,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:18:19,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:18:19,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:18:19,112 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:18:19,143 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:18:19,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:18:19,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:18:19,144 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:18:19,145 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:18:19,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:18:19,145 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:18:19,146 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:18:19,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:18:19,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:18:19,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:18:19,146 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:18:19,147 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:18:19,147 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:18:19,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:18:19,147 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:18:19,148 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:18:19,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:18:19,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:18:19,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:18:19,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:18:19,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:18:19,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:18:19,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:18:19,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:18:19,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:18:19,149 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 -> 92af3b6badb8feb06eec2591339d42260d19262b [2019-01-01 18:18:19,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:18:19,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:18:19,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:18:19,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:18:19,205 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:18:19,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.i [2019-01-01 18:18:19,265 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/579d5b217/16f17155f7474917abcbd81103f18239/FLAG028ac11e9 [2019-01-01 18:18:19,797 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:18:19,798 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.i [2019-01-01 18:18:19,820 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/579d5b217/16f17155f7474917abcbd81103f18239/FLAG028ac11e9 [2019-01-01 18:18:20,056 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/579d5b217/16f17155f7474917abcbd81103f18239 [2019-01-01 18:18:20,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:18:20,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:18:20,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:18:20,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:18:20,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:18:20,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:20,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb5a46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20, skipping insertion in model container [2019-01-01 18:18:20,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:20,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:18:20,140 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:18:20,646 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:18:20,680 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:18:20,872 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:18:20,970 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:18:20,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20 WrapperNode [2019-01-01 18:18:20,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:18:20,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:18:20,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:18:20,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:18:20,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:20,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (1/1) ... [2019-01-01 18:18:21,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:18:21,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:18:21,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:18:21,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:18:21,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (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 18:18:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:18:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:18:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:18:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:18:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:18:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:18:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:18:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:18:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:18:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:18:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:18:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:18:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:18:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:18:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:18:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:18:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:18:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:18:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:18:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:18:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:18:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:18:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:18:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:18:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:18:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:18:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:18:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-01-01 18:18:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-01-01 18:18:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:18:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:18:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:18:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:18:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:18:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:18:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:18:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:18:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:18:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:18:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:18:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:18:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:18:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:18:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:18:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:18:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:18:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:18:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:18:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:18:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:18:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:18:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:18:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:18:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:18:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:18:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:18:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:18:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:18:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:18:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:18:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:18:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:18:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:18:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:18:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:18:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:18:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:18:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:18:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:18:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:18:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:18:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:18:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:18:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:18:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:18:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:18:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:18:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:18:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:18:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:18:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:18:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:18:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-01-01 18:18:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:18:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:18:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:18:22,073 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:18:22,480 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:18:23,379 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:18:23,382 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:18:23,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:18:23 BoogieIcfgContainer [2019-01-01 18:18:23,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:18:23,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:18:23,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:18:23,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:18:23,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:18:20" (1/3) ... [2019-01-01 18:18:23,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2242eb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:18:23, skipping insertion in model container [2019-01-01 18:18:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:18:20" (2/3) ... [2019-01-01 18:18:23,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2242eb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:18:23, skipping insertion in model container [2019-01-01 18:18:23,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:18:23" (3/3) ... [2019-01-01 18:18:23,397 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2_false-valid-free.i [2019-01-01 18:18:23,409 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:18:23,425 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-01-01 18:18:23,450 INFO L257 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-01-01 18:18:23,486 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:18:23,487 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:18:23,487 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:18:23,487 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:18:23,487 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:18:23,488 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:18:23,488 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:18:23,489 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:18:23,489 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:18:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-01-01 18:18:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:18:23,551 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:18:23,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:18:23,558 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:18:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:18:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1367657109, now seen corresponding path program 1 times [2019-01-01 18:18:23,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:18:23,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:18:23,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:23,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:18:23,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:18:24,047 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 18:18:24,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:18:24,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:18:24,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:18:24,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:18:24,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:18:24,078 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-01-01 18:18:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:18:24,224 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2019-01-01 18:18:24,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:18:24,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-01 18:18:24,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:18:24,241 INFO L225 Difference]: With dead ends: 33 [2019-01-01 18:18:24,241 INFO L226 Difference]: Without dead ends: 30 [2019-01-01 18:18:24,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:18:24,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-01 18:18:24,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-01 18:18:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-01 18:18:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-01-01 18:18:24,289 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2019-01-01 18:18:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:18:24,289 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-01-01 18:18:24,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:18:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-01-01 18:18:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:18:24,292 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:18:24,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:18:24,293 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:18:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:18:24,293 INFO L82 PathProgramCache]: Analyzing trace with hash 552302862, now seen corresponding path program 1 times [2019-01-01 18:18:24,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:18:24,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:18:24,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:24,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:18:24,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:18:24,611 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 18:18:24,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:18:24,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:18:24,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:18:24,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:18:24,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:18:24,615 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 5 states. [2019-01-01 18:18:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:18:24,853 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2019-01-01 18:18:24,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:18:24,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-01 18:18:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:18:24,858 INFO L225 Difference]: With dead ends: 43 [2019-01-01 18:18:24,859 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:18:24,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 18:18:24,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:18:24,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2019-01-01 18:18:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:18:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-01 18:18:24,872 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 19 [2019-01-01 18:18:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:18:24,873 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-01 18:18:24,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:18:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-01 18:18:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:18:24,874 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:18:24,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:18:24,875 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:18:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:18:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 355789357, now seen corresponding path program 1 times [2019-01-01 18:18:24,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:18:24,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:18:24,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:24,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:18:24,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:18:25,179 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 18:18:25,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:18:25,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:18:25,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:18:25,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:18:25,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:18:25,182 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 5 states. [2019-01-01 18:18:25,379 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 18:18:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:18:25,446 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2019-01-01 18:18:25,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:18:25,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-01 18:18:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:18:25,448 INFO L225 Difference]: With dead ends: 44 [2019-01-01 18:18:25,448 INFO L226 Difference]: Without dead ends: 44 [2019-01-01 18:18:25,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:18:25,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-01 18:18:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2019-01-01 18:18:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:18:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-01-01 18:18:25,461 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 19 [2019-01-01 18:18:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:18:25,461 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-01-01 18:18:25,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:18:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2019-01-01 18:18:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:18:25,462 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:18:25,463 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:18:25,464 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:18:25,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:18:25,465 INFO L82 PathProgramCache]: Analyzing trace with hash -58480179, now seen corresponding path program 1 times [2019-01-01 18:18:25,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:18:25,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:18:25,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:25,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:18:25,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:18:25,593 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 18:18:25,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:18:25,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:18:25,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:18:25,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:18:25,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:18:25,596 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 5 states. [2019-01-01 18:18:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:18:25,732 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2019-01-01 18:18:25,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:18:25,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-01 18:18:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:18:25,736 INFO L225 Difference]: With dead ends: 50 [2019-01-01 18:18:25,736 INFO L226 Difference]: Without dead ends: 50 [2019-01-01 18:18:25,739 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 [2019-01-01 18:18:25,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-01 18:18:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2019-01-01 18:18:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-01 18:18:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-01-01 18:18:25,751 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 20 [2019-01-01 18:18:25,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:18:25,752 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2019-01-01 18:18:25,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:18:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2019-01-01 18:18:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 18:18:25,753 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:18:25,754 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, 1, 1, 1] [2019-01-01 18:18:25,754 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-01 18:18:25,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:18:25,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1188636521, now seen corresponding path program 1 times [2019-01-01 18:18:25,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:18:25,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:18:25,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:25,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:18:25,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:18:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:18:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:18:25,830 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:18:25,857 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 18:18:25,858 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 18:18:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:18:25 BoogieIcfgContainer [2019-01-01 18:18:25,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:18:25,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:18:25,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:18:25,873 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:18:25,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:18:23" (3/4) ... [2019-01-01 18:18:25,876 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 18:18:25,883 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 18:18:25,883 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 18:18:25,945 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 18:18:25,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:18:25,947 INFO L168 Benchmark]: Toolchain (without parser) took 5886.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 951.3 MB in the beginning and 860.2 MB in the end (delta: 91.2 MB). Peak memory consumption was 166.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:18:25,948 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:18:25,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -100.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:18:25,957 INFO L168 Benchmark]: Boogie Preprocessor took 106.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-01-01 18:18:25,958 INFO L168 Benchmark]: RCFGBuilder took 2305.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.5 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2019-01-01 18:18:25,958 INFO L168 Benchmark]: TraceAbstraction took 2486.25 ms. Allocated memory is still 1.1 GB. Free memory was 940.5 MB in the beginning and 860.2 MB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:18:25,959 INFO L168 Benchmark]: Witness Printer took 73.59 ms. Allocated memory is still 1.1 GB. Free memory is still 860.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:18:25,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 909.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -100.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2305.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.5 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2486.25 ms. Allocated memory is still 1.1 GB. Free memory was 940.5 MB in the beginning and 860.2 MB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. * Witness Printer took 73.59 ms. Allocated memory is still 1.1 GB. Free memory is still 860.2 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 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: - CounterExampleResult [Line: 1441]: 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) }; [L1434] int *a8; VAL [\old(a8)=12, \old(a8)=13, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-3:0}] [L1453] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}] [L1446] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, ldv_global_msg_list={-3:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={-1:0}, a8={0:0}, ldv_global_msg_list={-3:0}, malloc(size)={-1:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={-3:0}, ldv_malloc(sizeof(int))={-1:0}] [L1437] a8 = (int *)ldv_malloc(sizeof(int)) [L1446] RET alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1447] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) [L1447] RET free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1448] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={-1:0}, ldv_global_msg_list={-3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 330 locations, 74 error locations. UNSAFE Result, 2.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 61 SDslu, 255 SDs, 0 SdLazy, 120 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 3734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...