./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:39:35,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:39:35,164 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:39:35,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:39:35,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:39:35,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:39:35,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:39:35,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:39:35,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:39:35,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:39:35,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:39:35,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:39:35,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:39:35,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:39:35,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:39:35,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:39:35,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:39:35,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:39:35,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:39:35,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:39:35,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:39:35,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:39:35,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:39:35,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:39:35,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:39:35,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:39:35,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:39:35,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:39:35,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:39:35,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:39:35,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:39:35,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:39:35,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:39:35,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:39:35,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:39:35,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:39:35,193 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 11:39:35,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:39:35,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:39:35,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:39:35,204 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:39:35,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:39:35,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:39:35,204 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:39:35,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 11:39:35,205 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:39:35,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:39:35,206 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:39:35,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:39:35,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2018-11-28 11:39:35,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:39:35,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:39:35,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:39:35,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:39:35,241 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:39:35,241 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:35,278 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/ccd1eddbe/24e1ea039883435fbf93c79cee15f9c1/FLAG13501d16a [2018-11-28 11:39:35,741 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:39:35,741 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:35,751 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/ccd1eddbe/24e1ea039883435fbf93c79cee15f9c1/FLAG13501d16a [2018-11-28 11:39:36,259 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/ccd1eddbe/24e1ea039883435fbf93c79cee15f9c1 [2018-11-28 11:39:36,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:39:36,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 11:39:36,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:36,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:39:36,265 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:39:36,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd24d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36, skipping insertion in model container [2018-11-28 11:39:36,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:39:36,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:39:36,587 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:36,602 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:39:36,645 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:36,688 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:39:36,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36 WrapperNode [2018-11-28 11:39:36,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:36,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:39:36,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:39:36,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:39:36,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... [2018-11-28 11:39:36,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:39:36,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:39:36,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:39:36,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:39:36,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:39:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:39:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:39:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 11:39:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 11:39:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-11-28 11:39:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 11:39:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 11:39:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 11:39:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 11:39:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 11:39:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 11:39:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 11:39:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 11:39:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 11:39:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 11:39:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 11:39:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 11:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 11:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 11:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 11:39:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 11:39:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:39:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 11:39:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 11:39:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 11:39:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:39:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:39:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:39:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 11:39:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 11:39:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 11:39:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 11:39:37,123 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:39:37,334 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:39:37,530 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:39:37,530 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:39:37,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:37 BoogieIcfgContainer [2018-11-28 11:39:37,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:39:37,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:39:37,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:39:37,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:39:37,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:39:36" (1/3) ... [2018-11-28 11:39:37,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7d377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:37, skipping insertion in model container [2018-11-28 11:39:37,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:36" (2/3) ... [2018-11-28 11:39:37,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7d377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:37, skipping insertion in model container [2018-11-28 11:39:37,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:37" (3/3) ... [2018-11-28 11:39:37,537 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:37,544 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:39:37,551 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-11-28 11:39:37,561 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-11-28 11:39:37,578 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:39:37,579 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:39:37,579 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 11:39:37,579 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:39:37,579 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:39:37,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:39:37,579 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:39:37,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:39:37,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:39:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-11-28 11:39:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:39:37,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:37,601 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, 1, 1, 1] [2018-11-28 11:39:37,603 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:37,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:37,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1762736243, now seen corresponding path program 1 times [2018-11-28 11:39:37,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:37,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:37,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:37,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:37,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:37,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:37,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:39:37,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:37,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:37,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:37,812 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2018-11-28 11:39:37,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:37,853 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-28 11:39:37,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:37,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 11:39:37,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:37,861 INFO L225 Difference]: With dead ends: 51 [2018-11-28 11:39:37,861 INFO L226 Difference]: Without dead ends: 48 [2018-11-28 11:39:37,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-28 11:39:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-28 11:39:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 11:39:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-11-28 11:39:37,894 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 23 [2018-11-28 11:39:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:37,894 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-11-28 11:39:37,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-11-28 11:39:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:37,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:37,895 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, 1, 1, 1, 1] [2018-11-28 11:39:37,896 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:37,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1189751734, now seen corresponding path program 1 times [2018-11-28 11:39:37,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:37,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:37,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:37,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:37,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:37,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:37,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:39:37,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:37,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:37,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:37,985 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 5 states. [2018-11-28 11:39:38,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,049 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-11-28 11:39:38,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:38,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-28 11:39:38,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,053 INFO L225 Difference]: With dead ends: 66 [2018-11-28 11:39:38,054 INFO L226 Difference]: Without dead ends: 66 [2018-11-28 11:39:38,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-28 11:39:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2018-11-28 11:39:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 11:39:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2018-11-28 11:39:38,066 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2018-11-28 11:39:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,067 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2018-11-28 11:39:38,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-28 11:39:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:38,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,069 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, 1, 1, 1, 1] [2018-11-28 11:39:38,069 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,070 INFO L82 PathProgramCache]: Analyzing trace with hash 896348727, now seen corresponding path program 1 times [2018-11-28 11:39:38,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:38,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:38,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:39:38,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:38,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:38,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:38,144 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 5 states. [2018-11-28 11:39:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,160 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-11-28 11:39:38,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:38,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-28 11:39:38,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,161 INFO L225 Difference]: With dead ends: 53 [2018-11-28 11:39:38,161 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 11:39:38,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 11:39:38,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-11-28 11:39:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 11:39:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-28 11:39:38,165 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 24 [2018-11-28 11:39:38,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,166 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-28 11:39:38,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-28 11:39:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:38,167 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,167 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, 1, 1, 1, 1] [2018-11-28 11:39:38,167 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1007368456, now seen corresponding path program 1 times [2018-11-28 11:39:38,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:38,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:38,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:39:38,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:38,202 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 5 states. [2018-11-28 11:39:38,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,220 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2018-11-28 11:39:38,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:38,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-28 11:39:38,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,221 INFO L225 Difference]: With dead ends: 53 [2018-11-28 11:39:38,221 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 11:39:38,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 11:39:38,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-11-28 11:39:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 11:39:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-11-28 11:39:38,225 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 24 [2018-11-28 11:39:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,225 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-11-28 11:39:38,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-11-28 11:39:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:38,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,226 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, 1, 1, 1, 1] [2018-11-28 11:39:38,226 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,227 INFO L82 PathProgramCache]: Analyzing trace with hash 713965449, now seen corresponding path program 1 times [2018-11-28 11:39:38,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:38,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:38,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:39:38,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:39:38,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:39:38,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:39:38,283 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 4 states. [2018-11-28 11:39:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,347 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-28 11:39:38,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:39:38,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-28 11:39:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,348 INFO L225 Difference]: With dead ends: 60 [2018-11-28 11:39:38,348 INFO L226 Difference]: Without dead ends: 47 [2018-11-28 11:39:38,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:39:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-28 11:39:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-11-28 11:39:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-28 11:39:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-11-28 11:39:38,350 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 24 [2018-11-28 11:39:38,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,351 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-11-28 11:39:38,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:39:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-11-28 11:39:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:39:38,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:39:38,352 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1431155684, now seen corresponding path program 1 times [2018-11-28 11:39:38,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:38,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:38,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:39:38,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:39:38,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:39:38,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:39:38,461 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 8 states. [2018-11-28 11:39:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,576 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-11-28 11:39:38,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:39:38,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-11-28 11:39:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,577 INFO L225 Difference]: With dead ends: 46 [2018-11-28 11:39:38,577 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 11:39:38,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:39:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 11:39:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-28 11:39:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-28 11:39:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-11-28 11:39:38,580 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2018-11-28 11:39:38,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,580 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-11-28 11:39:38,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:39:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-11-28 11:39:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:39:38,581 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:39:38,581 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1431155683, now seen corresponding path program 1 times [2018-11-28 11:39:38,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:38,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:38,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:39:38,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:39:38,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:39:38,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:39:38,660 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 7 states. [2018-11-28 11:39:38,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:38,824 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-28 11:39:38,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:39:38,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-28 11:39:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:38,825 INFO L225 Difference]: With dead ends: 51 [2018-11-28 11:39:38,825 INFO L226 Difference]: Without dead ends: 51 [2018-11-28 11:39:38,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:39:38,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-28 11:39:38,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2018-11-28 11:39:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-28 11:39:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-11-28 11:39:38,828 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 29 [2018-11-28 11:39:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:38,828 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-11-28 11:39:38,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:39:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-11-28 11:39:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 11:39:38,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:38,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:39:38,830 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:38,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:38,830 INFO L82 PathProgramCache]: Analyzing trace with hash -762021586, now seen corresponding path program 1 times [2018-11-28 11:39:38,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:38,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:38,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:38,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:39,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:39,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:39:39,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:39:39,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:39:39,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:39:39,003 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-11-28 11:39:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:39,135 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-11-28 11:39:39,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:39:39,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-28 11:39:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:39,137 INFO L225 Difference]: With dead ends: 54 [2018-11-28 11:39:39,137 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:39:39,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:39:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:39:39,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 11:39:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 11:39:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-11-28 11:39:39,140 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 32 [2018-11-28 11:39:39,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:39,140 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-11-28 11:39:39,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:39:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-11-28 11:39:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 11:39:39,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:39,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:39:39,141 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:39,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:39,141 INFO L82 PathProgramCache]: Analyzing trace with hash -381259946, now seen corresponding path program 1 times [2018-11-28 11:39:39,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:39,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:39,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:39,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:39,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:39,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:39,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:39:39,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:39,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:39,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:39,172 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2018-11-28 11:39:39,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:39,176 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-28 11:39:39,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:39,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-28 11:39:39,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:39,178 INFO L225 Difference]: With dead ends: 43 [2018-11-28 11:39:39,178 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:39:39,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:39,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:39:39,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 11:39:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 11:39:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-28 11:39:39,180 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2018-11-28 11:39:39,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:39,180 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-28 11:39:39,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:39,180 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-28 11:39:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-28 11:39:39,181 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:39,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:39:39,182 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:39:39,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1582005395, now seen corresponding path program 1 times [2018-11-28 11:39:39,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:39:39,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:39:39,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:39,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:39,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:39:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:39,222 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:39:39,232 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 11:39:39,237 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:39:39,237 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:39:39,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:39:39 BoogieIcfgContainer [2018-11-28 11:39:39,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:39:39,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:39:39,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:39:39,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:39:39,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:37" (3/4) ... [2018-11-28 11:39:39,252 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:39:39,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:39:39,252 INFO L168 Benchmark]: Toolchain (without parser) took 2990.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -203.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:39,254 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:39,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:39,255 INFO L168 Benchmark]: Boogie Preprocessor took 56.86 ms. Allocated memory is still 1.1 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. [2018-11-28 11:39:39,256 INFO L168 Benchmark]: RCFGBuilder took 783.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.4 MB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:39,256 INFO L168 Benchmark]: TraceAbstraction took 1714.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 978.4 MB in the beginning and 1.2 GB in the end (delta: -174.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:39,256 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:39,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.86 ms. Allocated memory is still 1.1 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 783.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.4 MB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1714.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 978.4 MB in the beginning and 1.2 GB in the end (delta: -174.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 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: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={15:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={15:0}] [L1466] struct A a7; VAL [a7={13:0}, ldv_global_msg_list={15:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={13:0}, ldv_global_msg_list={15:0}] [L1443] int ret = - -3; VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, ldv_global_msg_list={15:0}, malloc(size)={12:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={15:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={13:0}, a={13:0}, f6()=0, ldv_global_msg_list={15:0}, p={12:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={15:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={13:0}, a={13:0}, g6()=0, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1453] a->p = p VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1454] return 0; VAL [\result=0, a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={13:0}, ldv_global_msg_list={15:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={13:0}, ldv_global_msg_list={15:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={13:0}, ldv_global_msg_list={15:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 340 locations, 71 error locations. UNSAFE Result, 1.6s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 413 SDtfs, 142 SDslu, 950 SDs, 0 SdLazy, 515 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 25041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:39:40,752 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:39:40,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:39:40,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:39:40,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:39:40,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:39:40,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:39:40,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:39:40,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:39:40,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:39:40,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:39:40,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:39:40,766 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:39:40,766 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:39:40,767 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:39:40,768 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:39:40,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:39:40,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:39:40,771 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:39:40,772 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:39:40,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:39:40,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:39:40,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:39:40,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:39:40,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:39:40,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:39:40,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:39:40,778 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:39:40,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:39:40,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:39:40,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:39:40,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:39:40,781 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:39:40,781 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:39:40,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:39:40,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:39:40,783 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 11:39:40,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:39:40,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:39:40,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:39:40,795 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:39:40,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:39:40,796 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:39:40,796 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:39:40,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:39:40,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 11:39:40,797 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 11:39:40,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:39:40,798 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:39:40,800 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:39:40,800 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:39:40,800 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:39:40,800 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:39:40,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:39:40,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:39:40,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:39:40,801 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:39:40,802 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2018-11-28 11:39:40,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:39:40,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:39:40,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:39:40,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:39:40,844 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:39:40,844 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:40,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/a2e4db9a8/ea57f8af564144dea892a1c0ece8be45/FLAGc293139b9 [2018-11-28 11:39:41,290 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:39:41,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:41,301 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/a2e4db9a8/ea57f8af564144dea892a1c0ece8be45/FLAGc293139b9 [2018-11-28 11:39:41,310 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/data/a2e4db9a8/ea57f8af564144dea892a1c0ece8be45 [2018-11-28 11:39:41,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:39:41,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 11:39:41,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:41,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:39:41,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:39:41,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61356d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41, skipping insertion in model container [2018-11-28 11:39:41,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:39:41,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:39:41,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:41,673 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:39:41,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:39:41,760 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:39:41,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41 WrapperNode [2018-11-28 11:39:41,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:39:41,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:39:41,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:39:41,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:39:41,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... [2018-11-28 11:39:41,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:39:41,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:39:41,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:39:41,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:39:41,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 11:39:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 11:39:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 11:39:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 11:39:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-11-28 11:39:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 11:39:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 11:39:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 11:39:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 11:39:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 11:39:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 11:39:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 11:39:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 11:39:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 11:39:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 11:39:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 11:39:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 11:39:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 11:39:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 11:39:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 11:39:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 11:39:42,223 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:39:42,500 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:39:42,892 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:39:42,892 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:39:42,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:42 BoogieIcfgContainer [2018-11-28 11:39:42,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:39:42,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:39:42,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:39:42,897 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:39:42,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:39:41" (1/3) ... [2018-11-28 11:39:42,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf0cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:42, skipping insertion in model container [2018-11-28 11:39:42,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:41" (2/3) ... [2018-11-28 11:39:42,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf0cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:42, skipping insertion in model container [2018-11-28 11:39:42,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:42" (3/3) ... [2018-11-28 11:39:42,900 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2018-11-28 11:39:42,908 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:39:42,915 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-11-28 11:39:42,929 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-11-28 11:39:42,951 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:39:42,951 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:39:42,952 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 11:39:42,952 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:39:42,952 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:39:42,952 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:39:42,952 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:39:42,952 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:39:42,952 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:39:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-11-28 11:39:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:39:42,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:42,974 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, 1, 1, 1] [2018-11-28 11:39:42,976 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:39:42,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:42,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1066689485, now seen corresponding path program 1 times [2018-11-28 11:39:42,982 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:39:42,983 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:39:43,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:43,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:39:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:43,116 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 11:39:43,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:43,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:39:43,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:43,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:43,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:43,138 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2018-11-28 11:39:43,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:43,200 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-28 11:39:43,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:43,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 11:39:43,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:43,208 INFO L225 Difference]: With dead ends: 51 [2018-11-28 11:39:43,208 INFO L226 Difference]: Without dead ends: 48 [2018-11-28 11:39:43,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-28 11:39:43,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-28 11:39:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 11:39:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-11-28 11:39:43,239 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 23 [2018-11-28 11:39:43,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:43,239 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-11-28 11:39:43,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-11-28 11:39:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:43,240 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:43,240 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, 1, 1, 1, 1] [2018-11-28 11:39:43,241 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:39:43,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:43,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1292363915, now seen corresponding path program 1 times [2018-11-28 11:39:43,242 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:39:43,242 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:39:43,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:43,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:39:43,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:39:43,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:39:43,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:39:43,331 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 11:39:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:43,385 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:39:43,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:43,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:39:43,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:39:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:39:43,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:39:43,392 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 6 states. [2018-11-28 11:39:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:43,569 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2018-11-28 11:39:43,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:39:43,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-28 11:39:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:43,573 INFO L225 Difference]: With dead ends: 75 [2018-11-28 11:39:43,573 INFO L226 Difference]: Without dead ends: 75 [2018-11-28 11:39:43,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:39:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-28 11:39:43,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2018-11-28 11:39:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 11:39:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2018-11-28 11:39:43,583 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2018-11-28 11:39:43,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:43,584 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2018-11-28 11:39:43,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:39:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-28 11:39:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:43,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:43,587 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, 1, 1, 1, 1] [2018-11-28 11:39:43,587 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:39:43,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:43,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1585766922, now seen corresponding path program 1 times [2018-11-28 11:39:43,588 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:39:43,588 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:39:43,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:43,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:39:43,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:43,702 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:39:43,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:43,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:39:43,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:39:43,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:39:43,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:39:43,705 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 6 states. [2018-11-28 11:39:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:43,763 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-28 11:39:43,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:39:43,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-28 11:39:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:43,766 INFO L225 Difference]: With dead ends: 66 [2018-11-28 11:39:43,766 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 11:39:43,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:39:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 11:39:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2018-11-28 11:39:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 11:39:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-11-28 11:39:43,773 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 24 [2018-11-28 11:39:43,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:43,773 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-11-28 11:39:43,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:39:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-11-28 11:39:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:43,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:43,774 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, 1, 1, 1, 1] [2018-11-28 11:39:43,775 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:39:43,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:43,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1904087272, now seen corresponding path program 1 times [2018-11-28 11:39:43,775 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:39:43,775 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:39:43,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:43,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:39:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:43,847 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:39:43,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:43,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:39:43,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:39:43,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:39:43,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:43,852 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 5 states. [2018-11-28 11:39:43,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:39:43,889 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2018-11-28 11:39:43,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:39:43,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-28 11:39:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:39:43,891 INFO L225 Difference]: With dead ends: 63 [2018-11-28 11:39:43,891 INFO L226 Difference]: Without dead ends: 63 [2018-11-28 11:39:43,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:39:43,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-28 11:39:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-11-28 11:39:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 11:39:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-11-28 11:39:43,897 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 24 [2018-11-28 11:39:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:39:43,897 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-11-28 11:39:43,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:39:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-11-28 11:39:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 11:39:43,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:39:43,898 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, 1, 1, 1, 1] [2018-11-28 11:39:43,899 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:39:43,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:39:43,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1610684265, now seen corresponding path program 1 times [2018-11-28 11:39:43,899 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:39:43,900 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:39:43,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:39:43,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:39:43,989 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2018-11-28 11:39:43,992 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:39:43,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-11-28 11:39:43,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:39:43,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:39:43,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-11-28 11:39:44,002 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:39:44,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 15 [2018-11-28 11:39:44,008 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:39:44,016 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:39:44,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-28 11:39:44,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2018-11-28 11:39:46,066 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_8|)) (= |c_#valid| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_8| (_ bv0 1))))) is different from true [2018-11-28 11:39:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:39:46,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:39:46,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:39:46,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:39:46,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:39:46,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:39:46,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2018-11-28 11:39:46,099 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 8 states. [2018-11-28 11:40:09,415 WARN L180 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-11-28 11:40:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:19,598 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2018-11-28 11:40:19,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:40:19,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-11-28 11:40:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:19,600 INFO L225 Difference]: With dead ends: 79 [2018-11-28 11:40:19,600 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 11:40:19,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2018-11-28 11:40:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 11:40:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2018-11-28 11:40:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 11:40:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-11-28 11:40:19,605 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 24 [2018-11-28 11:40:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:19,605 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-11-28 11:40:19,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:40:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-11-28 11:40:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:40:19,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:19,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:19,609 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:40:19,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:19,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1306937405, now seen corresponding path program 1 times [2018-11-28 11:40:19,609 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:40:19,609 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:40:19,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:19,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:40:19,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:40:19,701 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:19,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:40:19,703 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 11:40:20,112 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-11-28 11:40:20,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-28 11:40:20,119 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:20,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:40:20,123 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-11-28 11:40:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:20,181 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:40:20,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:20,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:40:20,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:40:20,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:40:20,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-11-28 11:40:20,184 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 8 states. [2018-11-28 11:40:23,782 WARN L180 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-11-28 11:40:24,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:24,364 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2018-11-28 11:40:24,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:40:24,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-11-28 11:40:24,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:24,365 INFO L225 Difference]: With dead ends: 67 [2018-11-28 11:40:24,365 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 11:40:24,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=43, Invalid=84, Unknown=9, NotChecked=20, Total=156 [2018-11-28 11:40:24,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 11:40:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2018-11-28 11:40:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 11:40:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-11-28 11:40:24,369 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 29 [2018-11-28 11:40:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:24,369 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2018-11-28 11:40:24,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:40:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2018-11-28 11:40:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:40:24,370 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:24,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:24,370 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:40:24,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:24,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1306937404, now seen corresponding path program 1 times [2018-11-28 11:40:24,371 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:40:24,371 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:40:24,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:24,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:40:24,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:40:24,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:24,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:40:24,470 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:24,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:40:24,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-28 11:40:25,322 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-11-28 11:40:25,328 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:40:25,329 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:40:25,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-28 11:40:25,330 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-11-28 11:40:25,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,351 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2018-11-28 11:40:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:25,402 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:40:25,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:25,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:40:25,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:40:25,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:40:25,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-11-28 11:40:25,405 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand 9 states. [2018-11-28 11:40:25,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:40:25,622 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-11-28 11:40:25,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:40:25,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-11-28 11:40:25,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:40:25,623 INFO L225 Difference]: With dead ends: 58 [2018-11-28 11:40:25,623 INFO L226 Difference]: Without dead ends: 47 [2018-11-28 11:40:25,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2018-11-28 11:40:25,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-28 11:40:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-11-28 11:40:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-28 11:40:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-11-28 11:40:25,626 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 29 [2018-11-28 11:40:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:40:25,626 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-11-28 11:40:25,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:40:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-11-28 11:40:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 11:40:25,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:40:25,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:40:25,627 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:40:25,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:40:25,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1274321554, now seen corresponding path program 1 times [2018-11-28 11:40:25,627 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:40:25,627 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:40:25,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:40:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:40:25,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:40:25,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2018-11-28 11:40:25,725 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:40:25,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-11-28 11:40:25,726 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,734 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-11-28 11:40:25,738 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:40:25,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 15 [2018-11-28 11:40:25,744 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:40:25,756 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:40:25,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-28 11:40:25,766 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2018-11-28 11:40:25,849 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:40:25,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-11-28 11:40:25,850 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:40:25,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:40:25,859 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-11-28 11:40:26,939 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2018-11-28 11:40:30,966 WARN L180 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 11:40:31,808 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_9| (_ BitVec 32)) (probe1_6_~p~0.base (_ BitVec 32))) (let ((.cse0 (store |c_old(#valid)| |v_entry_point_~#a7~0.base_9| (_ bv1 1)))) (and (= (select .cse0 probe1_6_~p~0.base) (_ bv0 1)) (= (store (store .cse0 probe1_6_~p~0.base (_ bv0 1)) |v_entry_point_~#a7~0.base_9| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_9|))))) is different from true [2018-11-28 11:40:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:40:31,841 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:40:31,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:40:31,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 11:40:31,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:40:31,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:40:31,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=81, Unknown=3, NotChecked=38, Total=156 [2018-11-28 11:40:31,844 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 13 states. [2018-11-28 11:40:50,899 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-11-28 11:40:58,976 WARN L180 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-11-28 11:41:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:41:02,322 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-11-28 11:41:02,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:41:02,322 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2018-11-28 11:41:02,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:41:02,323 INFO L225 Difference]: With dead ends: 54 [2018-11-28 11:41:02,323 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:41:02,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=43, Invalid=117, Unknown=4, NotChecked=46, Total=210 [2018-11-28 11:41:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:41:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 11:41:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 11:41:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-11-28 11:41:02,326 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 32 [2018-11-28 11:41:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:41:02,326 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-11-28 11:41:02,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:41:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-11-28 11:41:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 11:41:02,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:41:02,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:41:02,327 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:41:02,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:41:02,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1681815562, now seen corresponding path program 1 times [2018-11-28 11:41:02,327 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:41:02,328 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:41:02,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:41:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:41:02,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:41:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:41:02,394 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:41:02,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:41:02,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:41:02,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:41:02,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:41:02,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:41:02,397 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2018-11-28 11:41:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:41:02,401 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-28 11:41:02,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:41:02,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-28 11:41:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:41:02,403 INFO L225 Difference]: With dead ends: 43 [2018-11-28 11:41:02,403 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:41:02,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:41:02,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:41:02,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 11:41:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 11:41:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-28 11:41:02,405 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2018-11-28 11:41:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:41:02,406 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-28 11:41:02,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:41:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-28 11:41:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-28 11:41:02,406 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:41:02,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:41:02,407 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_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_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-11-28 11:41:02,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:41:02,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1237666445, now seen corresponding path program 1 times [2018-11-28 11:41:02,407 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:41:02,407 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7e64c34-cf1b-4d54-a475-eb63673e45e3/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:41:02,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:41:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:41:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:41:02,610 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:41:02,623 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 11:41:02,628 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:41:02,628 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:41:02,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:41:02 BoogieIcfgContainer [2018-11-28 11:41:02,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:41:02,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:41:02,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:41:02,639 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:41:02,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:42" (3/4) ... [2018-11-28 11:41:02,644 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:41:02,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:41:02,645 INFO L168 Benchmark]: Toolchain (without parser) took 81332.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 938.0 MB in the beginning and 999.9 MB in the end (delta: -61.9 MB). Peak memory consumption was 166.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:41:02,645 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:41:02,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:41:02,646 INFO L168 Benchmark]: Boogie Preprocessor took 54.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:41:02,646 INFO L168 Benchmark]: RCFGBuilder took 1077.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:41:02,647 INFO L168 Benchmark]: TraceAbstraction took 79745.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.0 GB in the beginning and 999.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:41:02,647 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 1.3 GB. Free memory is still 999.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:41:02,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 447.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1077.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 79745.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.0 GB in the beginning and 999.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 ms. Allocated memory is still 1.3 GB. Free memory is still 999.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2078209982:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={-2078209982:0}] [L1466] struct A a7; VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}] [L1443] int ret = - -3; VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2078209982:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-450278830:0}, ldv_global_msg_list={-2078209982:0}, malloc(size)={-450278830:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ldv_malloc(sizeof(int))={-450278830:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={-2078209982:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={-1524020654:0}, a={-1524020654:0}, f6()=0, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={-2078209982:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={-1524020654:0}, a={-1524020654:0}, g6()=0, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1453] a->p = p VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1454] return 0; VAL [\result=0, a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={-2078209982:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 339 locations, 71 error locations. UNSAFE Result, 79.6s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 68.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 455 SDtfs, 324 SDslu, 1132 SDs, 0 SdLazy, 707 SolverSat, 111 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 54.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 182 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 23.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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, 9 MinimizatonAttempts, 52 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 238 ConstructedInterpolants, 41 QuantifiedInterpolants, 32202 SizeOfPredicates, 17 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...