./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_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_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 ba5476636e8902440a35b69190524704fd5af5c4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 ba5476636e8902440a35b69190524704fd5af5c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:03:14,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:03:14,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:03:14,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:03:14,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:03:14,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:03:14,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:03:14,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:03:14,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:03:14,239 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:03:14,240 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:03:14,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:03:14,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:03:14,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:03:14,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:03:14,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:03:14,243 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:03:14,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:03:14,246 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:03:14,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:03:14,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:03:14,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:03:14,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:03:14,250 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:03:14,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:03:14,251 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:03:14,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:03:14,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:03:14,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:03:14,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:03:14,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:03:14,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:03:14,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:03:14,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:03:14,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:03:14,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:03:14,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 13:03:14,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:03:14,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:03:14,264 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:03:14,264 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:03:14,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:03:14,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:03:14,264 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:03:14,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:03:14,265 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:03:14,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:03:14,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:03:14,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:03:14,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:03:14,268 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_a87b6776-217e-421d-9dc6-4535be2e38fd/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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-11-28 13:03:14,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:03:14,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:03:14,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:03:14,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:03:14,303 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:03:14,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:14,343 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/b614cc2eb/705401d071e0446a8428fae10a5b8c1b/FLAG34e0a1d07 [2018-11-28 13:03:14,775 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:03:14,776 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:14,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/b614cc2eb/705401d071e0446a8428fae10a5b8c1b/FLAG34e0a1d07 [2018-11-28 13:03:14,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/b614cc2eb/705401d071e0446a8428fae10a5b8c1b [2018-11-28 13:03:14,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:03:14,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 13:03:14,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:14,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:03:14,803 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:03:14,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:14" (1/1) ... [2018-11-28 13:03:14,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c4bfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:14, skipping insertion in model container [2018-11-28 13:03:14,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:14" (1/1) ... [2018-11-28 13:03:14,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:03:14,841 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:03:15,100 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:15,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:03:15,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:15,190 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:03:15,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15 WrapperNode [2018-11-28 13:03:15,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:15,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:03:15,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:03:15,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:03:15,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... [2018-11-28 13:03:15,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:03:15,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:03:15,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:03:15,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:03:15,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:03:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:03:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 13:03:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 13:03:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 13:03:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 13:03:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:03:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 13:03:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 13:03:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 13:03:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 13:03:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 13:03:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 13:03:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 13:03:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 13:03:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 13:03:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 13:03:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 13:03:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 13:03:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 13:03:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 13:03:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 13:03:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 13:03:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 13:03:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 13:03:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 13:03:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 13:03:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:03:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:03:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 13:03:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 13:03:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 13:03:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 13:03:15,653 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:03:15,819 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:03:16,012 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:03:16,012 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:03:16,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:16 BoogieIcfgContainer [2018-11-28 13:03:16,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:03:16,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:03:16,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:03:16,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:03:16,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:03:14" (1/3) ... [2018-11-28 13:03:16,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faa396a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:03:16, skipping insertion in model container [2018-11-28 13:03:16,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15" (2/3) ... [2018-11-28 13:03:16,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faa396a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:03:16, skipping insertion in model container [2018-11-28 13:03:16,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:16" (3/3) ... [2018-11-28 13:03:16,018 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:16,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:03:16,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-11-28 13:03:16,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-11-28 13:03:16,055 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:03:16,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:03:16,056 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 13:03:16,056 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:03:16,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:03:16,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:03:16,056 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:03:16,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:03:16,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:03:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-28 13:03:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 13:03:16,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:16,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:16,078 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:16,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:16,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790596, now seen corresponding path program 1 times [2018-11-28 13:03:16,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:16,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:16,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:16,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:16,315 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 13:03:16,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:16,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:03:16,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:03:16,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:03:16,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:03:16,331 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2018-11-28 13:03:16,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:16,552 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-11-28 13:03:16,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:03:16,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-11-28 13:03:16,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:16,561 INFO L225 Difference]: With dead ends: 67 [2018-11-28 13:03:16,561 INFO L226 Difference]: Without dead ends: 61 [2018-11-28 13:03:16,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:03:16,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-28 13:03:16,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-28 13:03:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 13:03:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-11-28 13:03:16,594 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-11-28 13:03:16,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:16,594 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-11-28 13:03:16,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:03:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-11-28 13:03:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 13:03:16,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:16,595 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:16,596 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:16,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790595, now seen corresponding path program 1 times [2018-11-28 13:03:16,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:16,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:16,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:16,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:16,751 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 13:03:16,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:16,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:03:16,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:03:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:03:16,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:03:16,754 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 8 states. [2018-11-28 13:03:16,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:16,950 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-11-28 13:03:16,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:03:16,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-11-28 13:03:16,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:16,951 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:03:16,951 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 13:03:16,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:03:16,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 13:03:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 13:03:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:03:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-11-28 13:03:16,958 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-11-28 13:03:16,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:16,959 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-11-28 13:03:16,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:03:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-11-28 13:03:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:03:16,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:16,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:16,960 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:16,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1232706982, now seen corresponding path program 1 times [2018-11-28 13:03:16,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:16,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:16,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:16,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:17,008 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 13:03:17,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:17,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:03:17,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:03:17,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:03:17,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:03:17,010 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-11-28 13:03:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:17,026 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-28 13:03:17,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:03:17,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 13:03:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:17,027 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:03:17,028 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 13:03:17,028 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 13:03:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 13:03:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 13:03:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:03:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-11-28 13:03:17,034 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-11-28 13:03:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:17,034 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-11-28 13:03:17,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:03:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-11-28 13:03:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 13:03:17,035 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:17,035 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] [2018-11-28 13:03:17,035 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:17,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:17,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519223, now seen corresponding path program 1 times [2018-11-28 13:03:17,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:17,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:17,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:17,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:17,142 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 13:03:17,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:17,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:03:17,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:03:17,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:03:17,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:03:17,143 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2018-11-28 13:03:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:17,266 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-11-28 13:03:17,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:03:17,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-11-28 13:03:17,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:17,268 INFO L225 Difference]: With dead ends: 71 [2018-11-28 13:03:17,268 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 13:03:17,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:03:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 13:03:17,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-11-28 13:03:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 13:03:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-11-28 13:03:17,273 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-11-28 13:03:17,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:17,273 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-11-28 13:03:17,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:03:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-11-28 13:03:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 13:03:17,274 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:17,274 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] [2018-11-28 13:03:17,275 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:17,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:17,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519224, now seen corresponding path program 1 times [2018-11-28 13:03:17,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:17,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:17,448 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 13:03:17,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:17,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:03:17,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:03:17,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:03:17,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:03:17,449 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-11-28 13:03:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:17,851 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-11-28 13:03:17,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 13:03:17,852 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-11-28 13:03:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:17,852 INFO L225 Difference]: With dead ends: 68 [2018-11-28 13:03:17,853 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 13:03:17,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-28 13:03:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 13:03:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-11-28 13:03:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-28 13:03:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-11-28 13:03:17,857 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-11-28 13:03:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:17,859 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-11-28 13:03:17,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:03:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-11-28 13:03:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:03:17,860 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:17,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:17,862 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:17,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:17,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193477, now seen corresponding path program 1 times [2018-11-28 13:03:17,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:17,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:17,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:17,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:17,903 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 13:03:17,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:17,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:03:17,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:03:17,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:03:17,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:03:17,904 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 6 states. [2018-11-28 13:03:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:17,987 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-11-28 13:03:17,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:03:17,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-28 13:03:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:17,988 INFO L225 Difference]: With dead ends: 62 [2018-11-28 13:03:17,989 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 13:03:17,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:03:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 13:03:17,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-28 13:03:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 13:03:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-11-28 13:03:17,993 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-11-28 13:03:17,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:17,993 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-11-28 13:03:17,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:03:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-11-28 13:03:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:03:17,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:17,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:17,994 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:17,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:17,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193478, now seen corresponding path program 1 times [2018-11-28 13:03:17,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:17,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:17,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,062 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 13:03:18,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:03:18,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:03:18,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:03:18,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:03:18,063 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2018-11-28 13:03:18,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:18,187 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-11-28 13:03:18,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:03:18,188 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-28 13:03:18,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:18,188 INFO L225 Difference]: With dead ends: 86 [2018-11-28 13:03:18,188 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 13:03:18,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:03:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 13:03:18,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-11-28 13:03:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 13:03:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-11-28 13:03:18,192 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-11-28 13:03:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:18,192 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-11-28 13:03:18,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:03:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-11-28 13:03:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:03:18,193 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:18,193 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] [2018-11-28 13:03:18,194 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:18,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:18,194 INFO L82 PathProgramCache]: Analyzing trace with hash -49478890, now seen corresponding path program 1 times [2018-11-28 13:03:18,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:18,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:18,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:18,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,264 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 13:03:18,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:03:18,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:03:18,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:03:18,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:03:18,265 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-11-28 13:03:18,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:18,374 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-11-28 13:03:18,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:03:18,374 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-28 13:03:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:18,374 INFO L225 Difference]: With dead ends: 64 [2018-11-28 13:03:18,374 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 13:03:18,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:03:18,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 13:03:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-11-28 13:03:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:03:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-11-28 13:03:18,378 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-11-28 13:03:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:18,378 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-11-28 13:03:18,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:03:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-11-28 13:03:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:03:18,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:18,379 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] [2018-11-28 13:03:18,379 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:18,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:18,380 INFO L82 PathProgramCache]: Analyzing trace with hash -49478889, now seen corresponding path program 1 times [2018-11-28 13:03:18,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:18,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:18,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:18,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,502 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 13:03:18,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:03:18,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:03:18,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:03:18,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:03:18,503 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-11-28 13:03:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:18,679 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-11-28 13:03:18,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:03:18,680 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-11-28 13:03:18,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:18,680 INFO L225 Difference]: With dead ends: 62 [2018-11-28 13:03:18,681 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 13:03:18,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:03:18,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 13:03:18,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-11-28 13:03:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:03:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-11-28 13:03:18,684 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-11-28 13:03:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:18,684 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-11-28 13:03:18,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:03:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-11-28 13:03:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:03:18,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:18,685 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] [2018-11-28 13:03:18,689 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:18,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash 79603829, now seen corresponding path program 1 times [2018-11-28 13:03:18,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:18,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:18,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:18,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,731 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 13:03:18,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:03:18,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:03:18,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:03:18,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:03:18,732 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-11-28 13:03:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:18,740 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-11-28 13:03:18,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:03:18,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 13:03:18,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:18,743 INFO L225 Difference]: With dead ends: 48 [2018-11-28 13:03:18,743 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 13:03:18,743 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 13:03:18,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 13:03:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 13:03:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 13:03:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-11-28 13:03:18,745 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-11-28 13:03:18,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:18,748 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-11-28 13:03:18,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:03:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-11-28 13:03:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:03:18,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:18,749 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 13:03:18,749 INFO L423 AbstractCegarLoop]: === Iteration 11 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:18,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:18,749 INFO L82 PathProgramCache]: Analyzing trace with hash -304571495, now seen corresponding path program 1 times [2018-11-28 13:03:18,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:18,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:18,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:18,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,793 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 13:03:18,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:03:18,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:03:18,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:03:18,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:03:18,794 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2018-11-28 13:03:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:18,836 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-28 13:03:18,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:03:18,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 13:03:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:18,837 INFO L225 Difference]: With dead ends: 43 [2018-11-28 13:03:18,838 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 13:03:18,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:03:18,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 13:03:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 13:03:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 13:03:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-28 13:03:18,840 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-11-28 13:03:18,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:18,840 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-28 13:03:18,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:03:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-28 13:03:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:03:18,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:18,841 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 13:03:18,841 INFO L423 AbstractCegarLoop]: === Iteration 12 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:18,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:18,842 INFO L82 PathProgramCache]: Analyzing trace with hash -304571494, now seen corresponding path program 1 times [2018-11-28 13:03:18,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:18,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:18,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:18,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:18,963 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 13:03:18,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:18,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:03:18,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:03:18,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:03:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:03:18,964 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 10 states. [2018-11-28 13:03:19,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:19,088 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-28 13:03:19,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:03:19,089 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-28 13:03:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:19,089 INFO L225 Difference]: With dead ends: 42 [2018-11-28 13:03:19,089 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:03:19,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:03:19,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:03:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 13:03:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 13:03:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-28 13:03:19,091 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-11-28 13:03:19,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:19,091 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-28 13:03:19,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:03:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-28 13:03:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 13:03:19,091 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:19,091 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] [2018-11-28 13:03:19,092 INFO L423 AbstractCegarLoop]: === Iteration 13 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:19,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:19,092 INFO L82 PathProgramCache]: Analyzing trace with hash 148650245, now seen corresponding path program 1 times [2018-11-28 13:03:19,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:19,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:19,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:19,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:19,205 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 13:03:19,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:19,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-28 13:03:19,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:03:19,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:03:19,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:03:19,206 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-11-28 13:03:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:19,408 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-11-28 13:03:19,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:03:19,409 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-11-28 13:03:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:19,409 INFO L225 Difference]: With dead ends: 41 [2018-11-28 13:03:19,409 INFO L226 Difference]: Without dead ends: 41 [2018-11-28 13:03:19,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2018-11-28 13:03:19,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-28 13:03:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-28 13:03:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-28 13:03:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2018-11-28 13:03:19,412 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2018-11-28 13:03:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:19,412 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2018-11-28 13:03:19,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:03:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2018-11-28 13:03:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 13:03:19,413 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:19,413 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] [2018-11-28 13:03:19,413 INFO L423 AbstractCegarLoop]: === Iteration 14 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:19,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash 313190306, now seen corresponding path program 1 times [2018-11-28 13:03:19,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:19,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:19,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:19,555 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 13:03:19,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:19,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-28 13:03:19,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 13:03:19,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 13:03:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:03:19,557 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 15 states. [2018-11-28 13:03:19,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:19,846 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-11-28 13:03:19,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:03:19,846 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2018-11-28 13:03:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:19,847 INFO L225 Difference]: With dead ends: 40 [2018-11-28 13:03:19,847 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:03:19,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-11-28 13:03:19,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:03:19,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-28 13:03:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:03:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-11-28 13:03:19,850 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2018-11-28 13:03:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:19,850 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-11-28 13:03:19,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 13:03:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-11-28 13:03:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 13:03:19,850 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:19,851 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] [2018-11-28 13:03:19,851 INFO L423 AbstractCegarLoop]: === Iteration 15 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:03:19,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:19,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1286428165, now seen corresponding path program 1 times [2018-11-28 13:03:19,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:03:19,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:03:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:03:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:03:19,900 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:03:19,913 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 13:03:19,918 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 13:03:19,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 13:03:19,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 19 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 13:03:19,919 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 13:03:19,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:03:19 BoogieIcfgContainer [2018-11-28 13:03:19,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:03:19,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:03:19,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:03:19,932 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:03:19,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:16" (3/4) ... [2018-11-28 13:03:19,938 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:03:19,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:03:19,939 INFO L168 Benchmark]: Toolchain (without parser) took 5139.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:03:19,940 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 13:03:19,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:19,941 INFO L168 Benchmark]: Boogie Preprocessor took 66.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:19,941 INFO L168 Benchmark]: RCFGBuilder took 755.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:03:19,941 INFO L168 Benchmark]: TraceAbstraction took 3916.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 992.2 MB in the beginning and 1.2 GB in the end (delta: -162.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:03:19,942 INFO L168 Benchmark]: Witness Printer took 6.55 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 13:03:19,944 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 390.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 755.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3916.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 992.2 MB in the beginning and 1.2 GB in the end (delta: -162.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.55 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 14 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 13 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 19 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 17 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] CALL entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1449] CALL alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={25:0}, global_list_13={18:0}, ldv_global_msg_list={22:0}, malloc(size)={25:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, ldv_malloc(sizeof(struct A13))={25:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, head={18:0}, ldv_global_msg_list={22:0}, new={25:4}] [L1121] EXPR head->next VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, next={18:0}, prev={18:0}] [L1107] next->prev = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1108] new->next = next VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1109] new->prev = prev VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1110] prev->next = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1449] RET alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}] [L1099] list->next = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1100] list->prev = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] RET entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 313 locations, 67 error locations. UNSAFE Result, 3.8s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 492 SDtfs, 603 SDslu, 1494 SDs, 0 SdLazy, 1855 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 14 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 47915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 13:03:21,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:03:21,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:03:21,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:03:21,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:03:21,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:03:21,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:03:21,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:03:21,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:03:21,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:03:21,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:03:21,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:03:21,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:03:21,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:03:21,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:03:21,481 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:03:21,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:03:21,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:03:21,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:03:21,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:03:21,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:03:21,487 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:03:21,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:03:21,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:03:21,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:03:21,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:03:21,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:03:21,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:03:21,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:03:21,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:03:21,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:03:21,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:03:21,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:03:21,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:03:21,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:03:21,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:03:21,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 13:03:21,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:03:21,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:03:21,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:03:21,507 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:03:21,508 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:03:21,508 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:03:21,508 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:03:21,508 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:03:21,508 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:03:21,508 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:03:21,508 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 13:03:21,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:03:21,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:03:21,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:03:21,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:03:21,512 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:03:21,513 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_a87b6776-217e-421d-9dc6-4535be2e38fd/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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-11-28 13:03:21,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:03:21,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:03:21,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:03:21,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:03:21,552 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:03:21,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:21,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/8970291f4/0928d2a735f341e9af92fb89608cdcc2/FLAG698f1efd2 [2018-11-28 13:03:21,951 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:03:21,952 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:21,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/8970291f4/0928d2a735f341e9af92fb89608cdcc2/FLAG698f1efd2 [2018-11-28 13:03:21,974 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/data/8970291f4/0928d2a735f341e9af92fb89608cdcc2 [2018-11-28 13:03:21,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:03:21,977 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 13:03:21,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:21,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:03:21,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:03:21,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:21" (1/1) ... [2018-11-28 13:03:21,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e2e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:21, skipping insertion in model container [2018-11-28 13:03:21,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:21" (1/1) ... [2018-11-28 13:03:21,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:03:22,022 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:03:22,270 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:22,284 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:03:22,340 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:03:22,419 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:03:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22 WrapperNode [2018-11-28 13:03:22,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:03:22,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:03:22,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:03:22,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:03:22,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... [2018-11-28 13:03:22,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:03:22,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:03:22,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:03:22,479 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:03:22,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 13:03:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 13:03:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 13:03:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 13:03:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-11-28 13:03:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 13:03:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:03:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 13:03:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 13:03:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 13:03:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 13:03:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 13:03:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 13:03:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 13:03:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 13:03:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 13:03:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 13:03:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 13:03:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 13:03:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 13:03:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 13:03:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 13:03:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 13:03:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 13:03:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 13:03:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 13:03:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 13:03:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 13:03:22,862 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:03:23,182 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:03:23,466 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:03:23,466 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:03:23,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:23 BoogieIcfgContainer [2018-11-28 13:03:23,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:03:23,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:03:23,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:03:23,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:03:23,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:03:21" (1/3) ... [2018-11-28 13:03:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f45ba62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:03:23, skipping insertion in model container [2018-11-28 13:03:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:22" (2/3) ... [2018-11-28 13:03:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f45ba62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:03:23, skipping insertion in model container [2018-11-28 13:03:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:23" (3/3) ... [2018-11-28 13:03:23,472 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-11-28 13:03:23,478 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:03:23,484 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-11-28 13:03:23,494 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-11-28 13:03:23,512 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:03:23,512 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:03:23,512 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 13:03:23,512 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:03:23,512 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:03:23,512 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:03:23,513 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:03:23,513 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:03:23,513 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:03:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-11-28 13:03:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 13:03:23,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:23,531 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:23,533 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:03:23,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash -804386628, now seen corresponding path program 1 times [2018-11-28 13:03:23,540 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:03:23,540 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:03:23,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:23,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:23,707 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 12 treesize of output 15 [2018-11-28 13:03:23,715 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:23,730 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-11-28 13:03:23,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:23,756 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:23,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-11-28 13:03:23,765 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-28 13:03:23,804 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 15 treesize of output 14 [2018-11-28 13:03:23,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,835 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:03:23,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:03:23,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-11-28 13:03:23,891 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-11-28 13:03:23,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 7 [2018-11-28 13:03:23,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:03:23,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,939 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-11-28 13:03:23,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:03:23,966 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:23,968 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-11-28 13:03:24,414 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 13:03:24,427 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 14 treesize of output 11 [2018-11-28 13:03:24,427 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:24,432 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 13:03:24,433 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-28 13:03:24,475 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 13:03:24,476 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:03:24,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:24,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:03:24,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:03:24,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:03:24,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2018-11-28 13:03:24,498 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2018-11-28 13:03:26,505 WARN L180 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 13:03:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:03:32,336 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2018-11-28 13:03:32,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:03:32,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-11-28 13:03:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:03:32,344 INFO L225 Difference]: With dead ends: 92 [2018-11-28 13:03:32,344 INFO L226 Difference]: Without dead ends: 80 [2018-11-28 13:03:32,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=54, Invalid=101, Unknown=5, NotChecked=22, Total=182 [2018-11-28 13:03:32,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-28 13:03:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2018-11-28 13:03:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 13:03:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-11-28 13:03:32,371 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-11-28 13:03:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:03:32,371 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-11-28 13:03:32,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:03:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-11-28 13:03:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 13:03:32,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:03:32,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:03:32,372 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:03:32,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:03:32,372 INFO L82 PathProgramCache]: Analyzing trace with hash -804386627, now seen corresponding path program 1 times [2018-11-28 13:03:32,372 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:03:32,372 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:03:32,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:03:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:03:32,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:03:32,457 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 12 treesize of output 15 [2018-11-28 13:03:32,465 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:32,473 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-11-28 13:03:32,478 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:32,483 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:32,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-11-28 13:03:32,491 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-28 13:03:32,529 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 15 treesize of output 14 [2018-11-28 13:03:32,530 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,559 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:03:32,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:03:32,627 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 9 treesize of output 12 [2018-11-28 13:03:32,631 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 13:03:32,632 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,637 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-28 13:03:32,664 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:34, output treesize:110 [2018-11-28 13:03:32,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 28 [2018-11-28 13:03:32,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:03:32,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 28 [2018-11-28 13:03:32,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:03:32,779 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:03:32,802 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:43 [2018-11-28 13:03:32,848 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:32,849 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:32,849 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 27 treesize of output 19 [2018-11-28 13:03:32,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 14 [2018-11-28 13:03:32,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 15 [2018-11-28 13:03:32,894 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 15 treesize of output 10 [2018-11-28 13:03:32,910 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:03:32,924 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:10 [2018-11-28 13:03:37,777 WARN L180 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 13:03:37,787 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:37,788 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:37,791 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:37,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-11-28 13:03:37,792 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:37,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-11-28 13:03:37,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:37,878 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:37,879 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:03:37,880 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 32 treesize of output 24 [2018-11-28 13:03:37,880 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:03:37,936 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 24 treesize of output 27 [2018-11-28 13:03:37,937 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 13:03:37,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:03:37,978 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:65, output treesize:28 [2018-11-28 13:03:39,307 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 13:03:39,307 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:03:39,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:03:39,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:03:39,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:03:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:03:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=50, Unknown=4, NotChecked=0, Total=72 [2018-11-28 13:03:39,313 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 9 states. [2018-11-28 13:03:56,537 WARN L180 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-11-28 13:04:58,948 WARN L180 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-11-28 13:05:01,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:01,047 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-11-28 13:05:01,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:05:01,048 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-11-28 13:05:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:01,049 INFO L225 Difference]: With dead ends: 79 [2018-11-28 13:05:01,049 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 13:05:01,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 31.3s TimeCoverageRelationStatistics Valid=71, Invalid=152, Unknown=17, NotChecked=0, Total=240 [2018-11-28 13:05:01,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 13:05:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2018-11-28 13:05:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:05:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-11-28 13:05:01,057 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-11-28 13:05:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:01,057 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-11-28 13:05:01,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:05:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-11-28 13:05:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:05:01,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:01,058 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:05:01,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:05:01,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash 7199047, now seen corresponding path program 1 times [2018-11-28 13:05:01,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:05:01,059 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:05:01,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:01,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:05:01,111 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 13:05:01,111 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:05:01,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:01,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:05:01,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:05:01,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:05:01,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:05:01,115 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-11-28 13:05:01,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:01,126 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-28 13:05:01,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:05:01,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 13:05:01,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:01,127 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:05:01,127 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 13:05:01,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 13:05:01,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 13:05:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 13:05:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:05:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-11-28 13:05:01,133 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-11-28 13:05:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:01,133 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-11-28 13:05:01,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:05:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-11-28 13:05:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 13:05:01,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:01,134 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] [2018-11-28 13:05:01,134 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:05:01,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165194, now seen corresponding path program 1 times [2018-11-28 13:05:01,135 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:05:01,135 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:05:01,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:01,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:05:01,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 5 [2018-11-28 13:05:01,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-11-28 13:05:01,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2018-11-28 13:05:01,305 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 16 [2018-11-28 13:05:01,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-28 13:05:01,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:01,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:5 [2018-11-28 13:05:01,346 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 13:05:01,346 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:05:01,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:01,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:05:01,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:05:01,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:05:01,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:05:01,348 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2018-11-28 13:05:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:01,832 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-11-28 13:05:01,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:05:01,832 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-11-28 13:05:01,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:01,832 INFO L225 Difference]: With dead ends: 71 [2018-11-28 13:05:01,832 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 13:05:01,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:05:01,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 13:05:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-11-28 13:05:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 13:05:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-11-28 13:05:01,837 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-11-28 13:05:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:01,838 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-11-28 13:05:01,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:05:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-11-28 13:05:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 13:05:01,838 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:01,838 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] [2018-11-28 13:05:01,839 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:05:01,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:01,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165193, now seen corresponding path program 1 times [2018-11-28 13:05:01,839 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:05:01,839 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:05:01,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:01,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:05:01,945 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 12 treesize of output 15 [2018-11-28 13:05:01,952 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:01,958 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-11-28 13:05:01,963 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:01,969 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:01,975 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-11-28 13:05:01,975 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-28 13:05:02,015 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 15 treesize of output 14 [2018-11-28 13:05:02,015 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,046 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:05:02,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:05:02,120 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 9 treesize of output 12 [2018-11-28 13:05:02,125 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 13:05:02,125 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,130 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-28 13:05:02,162 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:48, output treesize:152 [2018-11-28 13:05:02,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-11-28 13:05:02,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 33 [2018-11-28 13:05:02,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:02,394 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:33 [2018-11-28 13:05:06,463 WARN L180 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 13:05:06,477 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,481 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 55 treesize of output 58 [2018-11-28 13:05:06,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:06,563 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,564 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,567 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-11-28 13:05:06,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:06,645 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,646 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:05:06,647 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 55 treesize of output 47 [2018-11-28 13:05:06,647 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:06,733 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 47 treesize of output 50 [2018-11-28 13:05:06,734 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 13:05:06,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:05:06,807 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:111, output treesize:74 [2018-11-28 13:05:08,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 [2018-11-28 13:05:08,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 3 [2018-11-28 13:05:08,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:08,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:08,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 16 [2018-11-28 13:05:08,945 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-28 13:05:08,946 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:05:08,948 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:08,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:05:08,953 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:9 [2018-11-28 13:05:09,014 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 13:05:09,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:05:09,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:09,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:05:09,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:05:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:05:09,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=87, Unknown=3, NotChecked=0, Total=110 [2018-11-28 13:05:09,017 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-11-28 13:05:24,018 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-11-28 13:05:36,901 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-11-28 13:05:45,690 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-11-28 13:05:48,938 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2018-11-28 13:06:06,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:06,349 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-11-28 13:06:06,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 13:06:06,350 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-11-28 13:06:06,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:06,350 INFO L225 Difference]: With dead ends: 68 [2018-11-28 13:06:06,350 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 13:06:06,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=78, Invalid=249, Unknown=15, NotChecked=0, Total=342 [2018-11-28 13:06:06,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 13:06:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-11-28 13:06:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-28 13:06:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-11-28 13:06:06,356 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-11-28 13:06:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:06,356 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-11-28 13:06:06,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:06:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-11-28 13:06:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:06:06,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:06,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:06:06,357 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:06,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:06,357 INFO L82 PathProgramCache]: Analyzing trace with hash -189314458, now seen corresponding path program 1 times [2018-11-28 13:06:06,357 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:06,357 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:06:06,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:06,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:06,416 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 12 treesize of output 15 [2018-11-28 13:06:06,421 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:06:06,428 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-11-28 13:06:06,432 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 15 treesize of output 14 [2018-11-28 13:06:06,432 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,452 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:06:06,456 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:06:06,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-11-28 13:06:06,464 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 13:06:06,487 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:06:06,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:06:06,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-11-28 13:06:06,530 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-11-28 13:06:06,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 7 [2018-11-28 13:06:06,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:06:06,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-11-28 13:06:06,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:06:06,598 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:06,599 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-11-28 13:06:06,621 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 13:06:06,621 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:06,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:06,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:06:06,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:06:06,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:06:06,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:06:06,624 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 7 states. [2018-11-28 13:06:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:11,052 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-11-28 13:06:11,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 13:06:11,052 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 13:06:11,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:11,053 INFO L225 Difference]: With dead ends: 64 [2018-11-28 13:06:11,053 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 13:06:11,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:06:11,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 13:06:11,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-11-28 13:06:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 13:06:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-11-28 13:06:11,057 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-11-28 13:06:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:11,058 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-11-28 13:06:11,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:06:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-11-28 13:06:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:06:11,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:11,058 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:06:11,059 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:11,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:11,059 INFO L82 PathProgramCache]: Analyzing trace with hash -189314457, now seen corresponding path program 1 times [2018-11-28 13:06:11,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:11,059 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:06:11,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:11,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:11,117 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 9 treesize of output 12 [2018-11-28 13:06:11,120 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 13:06:11,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,133 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 13:06:11,133 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-28 13:06:11,148 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 7 [2018-11-28 13:06:11,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:06:11,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,154 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2018-11-28 13:06:11,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-11-28 13:06:11,166 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,170 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-11-28 13:06:11,194 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 13:06:11,195 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:11,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:11,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:06:11,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:06:11,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:06:11,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:06:11,197 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 7 states. [2018-11-28 13:06:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:11,752 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-11-28 13:06:11,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:06:11,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 13:06:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:11,753 INFO L225 Difference]: With dead ends: 86 [2018-11-28 13:06:11,753 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 13:06:11,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:06:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 13:06:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-11-28 13:06:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 13:06:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-11-28 13:06:11,757 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-11-28 13:06:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:11,757 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-11-28 13:06:11,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:06:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-11-28 13:06:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:06:11,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:11,758 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] [2018-11-28 13:06:11,758 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:11,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546121, now seen corresponding path program 1 times [2018-11-28 13:06:11,759 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:11,759 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:06:11,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:11,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:11,836 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 13:06:11,836 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:11,839 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 13:06:11,893 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 13:06:11,893 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:11,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:11,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:06:11,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:06:11,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:06:11,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:06:11,899 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-11-28 13:06:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:12,279 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-11-28 13:06:12,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:06:12,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-28 13:06:12,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:12,280 INFO L225 Difference]: With dead ends: 64 [2018-11-28 13:06:12,280 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 13:06:12,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:06:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 13:06:12,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-11-28 13:06:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:06:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-11-28 13:06:12,284 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-11-28 13:06:12,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:12,284 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-11-28 13:06:12,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:06:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-11-28 13:06:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:06:12,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:12,284 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] [2018-11-28 13:06:12,285 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:12,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:12,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546120, now seen corresponding path program 1 times [2018-11-28 13:06:12,285 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:12,285 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:06:12,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:12,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:12,381 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 13:06:12,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:12,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:12,385 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-28 13:06:12,457 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 13:06:12,458 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:12,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:12,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:06:12,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:06:12,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:06:12,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:06:12,460 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-11-28 13:06:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:12,894 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-11-28 13:06:12,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:06:12,895 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-11-28 13:06:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:12,895 INFO L225 Difference]: With dead ends: 62 [2018-11-28 13:06:12,895 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 13:06:12,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:06:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 13:06:12,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-11-28 13:06:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 13:06:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-11-28 13:06:12,898 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-11-28 13:06:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:12,898 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-11-28 13:06:12,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:06:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-11-28 13:06:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:06:12,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:12,899 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] [2018-11-28 13:06:12,899 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:12,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1670463402, now seen corresponding path program 1 times [2018-11-28 13:06:12,900 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:12,900 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/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 13:06:12,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:12,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:13,000 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 13:06:13,000 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:13,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:13,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:06:13,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:06:13,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:06:13,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:06:13,002 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-11-28 13:06:13,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:13,008 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-11-28 13:06:13,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:06:13,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 13:06:13,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:13,009 INFO L225 Difference]: With dead ends: 48 [2018-11-28 13:06:13,009 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 13:06:13,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:06:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 13:06:13,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 13:06:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 13:06:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-11-28 13:06:13,012 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-11-28 13:06:13,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:13,012 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-11-28 13:06:13,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:06:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-11-28 13:06:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:06:13,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:13,013 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 13:06:13,013 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:13,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:13,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999546, now seen corresponding path program 1 times [2018-11-28 13:06:13,014 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:13,015 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 13:06:13,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:13,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:13,113 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 7 [2018-11-28 13:06:13,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 1 [2018-11-28 13:06:13,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:13,115 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:13,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:13,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:1 [2018-11-28 13:06:13,137 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 13:06:13,137 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:13,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:13,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:06:13,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:06:13,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:06:13,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:06:13,140 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2018-11-28 13:06:15,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:15,397 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-28 13:06:15,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:06:15,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-11-28 13:06:15,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:15,398 INFO L225 Difference]: With dead ends: 43 [2018-11-28 13:06:15,398 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 13:06:15,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:06:15,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 13:06:15,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 13:06:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 13:06:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-28 13:06:15,400 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-11-28 13:06:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:15,400 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-28 13:06:15,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:06:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-28 13:06:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:06:15,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:15,400 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 13:06:15,401 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:15,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:15,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999547, now seen corresponding path program 1 times [2018-11-28 13:06:15,401 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:15,401 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 13:06:15,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:15,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:15,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 [2018-11-28 13:06:15,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-11-28 13:06:15,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:15,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:15,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 16 [2018-11-28 13:06:15,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-28 13:06:15,579 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:15,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:15,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:15,588 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:10 [2018-11-28 13:06:15,650 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 13:06:15,650 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:15,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:15,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:06:15,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:06:15,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:06:15,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:06:15,653 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2018-11-28 13:06:16,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:16,134 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-28 13:06:16,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:06:16,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 13:06:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:16,134 INFO L225 Difference]: With dead ends: 42 [2018-11-28 13:06:16,135 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:06:16,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:06:16,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:06:16,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 13:06:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 13:06:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-28 13:06:16,137 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-11-28 13:06:16,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:16,137 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-28 13:06:16,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:06:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-28 13:06:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 13:06:16,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:16,138 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] [2018-11-28 13:06:16,138 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:16,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1766901670, now seen corresponding path program 1 times [2018-11-28 13:06:16,139 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:16,139 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 13:06:16,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:06:16,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:06:16,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 5 [2018-11-28 13:06:16,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-11-28 13:06:16,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,284 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 13 [2018-11-28 13:06:16,286 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:06:16,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-28 13:06:16,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,289 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,293 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2018-11-28 13:06:16,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 32 treesize of output 26 [2018-11-28 13:06:16,499 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:06:16,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-11-28 13:06:16,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 15 [2018-11-28 13:06:16,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 15 treesize of output 7 [2018-11-28 13:06:16,520 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,521 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:06:16,527 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2018-11-28 13:06:16,606 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 13:06:16,606 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:06:16,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:06:16,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-28 13:06:16,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:06:16,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:06:16,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:06:16,609 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-11-28 13:06:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:17,860 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-11-28 13:06:17,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:06:17,861 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-11-28 13:06:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:17,861 INFO L225 Difference]: With dead ends: 40 [2018-11-28 13:06:17,862 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:06:17,862 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2018-11-28 13:06:17,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:06:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-28 13:06:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:06:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-11-28 13:06:17,863 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2018-11-28 13:06:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:17,863 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-11-28 13:06:17,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:06:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-11-28 13:06:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 13:06:17,864 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:06:17,864 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] [2018-11-28 13:06:17,864 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_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]=== [2018-11-28 13:06:17,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:06:17,865 INFO L82 PathProgramCache]: Analyzing trace with hash 2143956903, now seen corresponding path program 1 times [2018-11-28 13:06:17,865 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 13:06:17,865 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a87b6776-217e-421d-9dc6-4535be2e38fd/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 13:06:17,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:06:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:06:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:06:18,277 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:06:18,291 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 13:06:18,295 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 13:06:18,296 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 13:06:18,296 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 13:06:18,296 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 13:06:18,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:06:18 BoogieIcfgContainer [2018-11-28 13:06:18,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:06:18,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:06:18,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:06:18,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:06:18,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:03:23" (3/4) ... [2018-11-28 13:06:18,313 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:06:18,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:06:18,314 INFO L168 Benchmark]: Toolchain (without parser) took 176337.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 939.3 MB in the beginning and 1.3 GB in the end (delta: -339.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:06:18,314 INFO L168 Benchmark]: CDTParser took 0.17 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 13:06:18,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -226.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:06:18,314 INFO L168 Benchmark]: Boogie Preprocessor took 59.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:06:18,315 INFO L168 Benchmark]: RCFGBuilder took 987.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:06:18,315 INFO L168 Benchmark]: TraceAbstraction took 174839.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:06:18,315 INFO L168 Benchmark]: Witness Printer took 6.35 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:06:18,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 441.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -226.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 987.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174839.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.35 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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: 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# - 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] CALL entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1449] CALL alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={-3:0}, global_list_13={1:0}, ldv_global_msg_list={2:0}, malloc(size)={-3:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(struct A13))={-3:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, head={1:0}, ldv_global_msg_list={2:0}, new={-3:4}] [L1121] EXPR head->next VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, next={1:0}, prev={1:0}] [L1107] next->prev = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1108] new->next = next VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1109] new->prev = prev VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1110] prev->next = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1449] RET alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}] [L1099] list->next = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1100] list->prev = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] RET entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 312 locations, 67 error locations. UNSAFE Result, 174.7s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 157.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 648 SDslu, 1527 SDs, 0 SdLazy, 1786 SolverSat, 280 SolverUnsat, 67 SolverUnknown, 0 SolverNotchecked, 109.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 161 SyntacticMatches, 16 SemanticMatches, 150 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 61.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 13 MinimizatonAttempts, 60 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 260 ConstructedInterpolants, 12 QuantifiedInterpolants, 72204 SizeOfPredicates, 133 NumberOfNonLiveVariables, 1673 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...