./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_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_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:26:16,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:26:17,000 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:26:17,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:26:17,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:26:17,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:26:17,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:26:17,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:26:17,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:26:17,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:26:17,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:26:17,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:26:17,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:26:17,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:26:17,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:26:17,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:26:17,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:26:17,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:26:17,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:26:17,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:26:17,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:26:17,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:26:17,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:26:17,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:26:17,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:26:17,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:26:17,026 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:26:17,027 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:26:17,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:26:17,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:26:17,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:26:17,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:26:17,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:26:17,029 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:26:17,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:26:17,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:26:17,030 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 11:26:17,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:26:17,042 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:26:17,043 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:26:17,043 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:26:17,043 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:26:17,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:26:17,044 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:26:17,045 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:26:17,045 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:26:17,046 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:26:17,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:26:17,046 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:26:17,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:26:17,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:26:17,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:26:17,047 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:26:17,047 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:26:17,047 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_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-11-28 11:26:17,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:26:17,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:26:17,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:26:17,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:26:17,084 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:26:17,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:17,127 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/71dfbacef/bd3124a46e5847288e7dd2333ad5d8e5/FLAGb4477622a [2018-11-28 11:26:17,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:26:17,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:17,612 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/71dfbacef/bd3124a46e5847288e7dd2333ad5d8e5/FLAGb4477622a [2018-11-28 11:26:18,104 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/71dfbacef/bd3124a46e5847288e7dd2333ad5d8e5 [2018-11-28 11:26:18,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:26:18,108 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 11:26:18,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:26:18,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:26:18,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:26:18,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1197b7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18, skipping insertion in model container [2018-11-28 11:26:18,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:26:18,152 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:26:18,443 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:26:18,457 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:26:18,498 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:26:18,536 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:26:18,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18 WrapperNode [2018-11-28 11:26:18,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:26:18,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:26:18,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:26:18,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:26:18,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... [2018-11-28 11:26:18,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:26:18,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:26:18,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:26:18,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:26:18,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:26:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:26:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:26:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:26:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 11:26:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 11:26:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 11:26:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 11:26:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-11-28 11:26:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 11:26:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:26:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 11:26:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 11:26:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 11:26:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 11:26:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 11:26:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 11:26:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 11:26:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 11:26:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 11:26:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 11:26:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 11:26:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 11:26:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 11:26:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 11:26:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 11:26:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 11:26:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 11:26:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-11-28 11:26:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 11:26:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 11:26:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 11:26:18,952 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:26:19,150 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:26:19,415 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:26:19,415 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:26:19,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:19 BoogieIcfgContainer [2018-11-28 11:26:19,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:26:19,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:26:19,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:26:19,420 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:26:19,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:26:18" (1/3) ... [2018-11-28 11:26:19,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313197e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:26:19, skipping insertion in model container [2018-11-28 11:26:19,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:18" (2/3) ... [2018-11-28 11:26:19,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313197e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:26:19, skipping insertion in model container [2018-11-28 11:26:19,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:19" (3/3) ... [2018-11-28 11:26:19,423 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:19,431 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:26:19,439 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-11-28 11:26:19,449 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-11-28 11:26:19,464 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:26:19,465 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:26:19,465 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 11:26:19,465 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:26:19,465 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:26:19,465 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:26:19,465 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:26:19,465 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:26:19,465 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:26:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 11:26:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:19,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:19,485 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 11:26:19,487 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:19,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash -798772138, now seen corresponding path program 1 times [2018-11-28 11:26:19,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:19,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:19,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:19,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:19,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:19,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:19,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:26:19,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:19,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:19,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:19,674 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-11-28 11:26:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:19,733 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-11-28 11:26:19,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:19,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 11:26:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:19,743 INFO L225 Difference]: With dead ends: 72 [2018-11-28 11:26:19,743 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 11:26:19,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 11:26:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-11-28 11:26:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 11:26:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-11-28 11:26:19,777 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-11-28 11:26:19,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:19,777 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-11-28 11:26:19,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-11-28 11:26:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:19,778 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:19,778 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 11:26:19,778 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:19,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:19,779 INFO L82 PathProgramCache]: Analyzing trace with hash -995285643, now seen corresponding path program 1 times [2018-11-28 11:26:19,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:19,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:19,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:19,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:19,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:19,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:19,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:26:19,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:26:19,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:26:19,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:26:19,872 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-11-28 11:26:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:19,986 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2018-11-28 11:26:19,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:19,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 11:26:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:19,988 INFO L225 Difference]: With dead ends: 88 [2018-11-28 11:26:19,988 INFO L226 Difference]: Without dead ends: 88 [2018-11-28 11:26:19,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-28 11:26:19,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2018-11-28 11:26:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-28 11:26:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2018-11-28 11:26:19,997 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 20 [2018-11-28 11:26:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:19,997 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2018-11-28 11:26:19,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:26:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2018-11-28 11:26:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:19,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:19,998 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 11:26:19,998 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:19,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:19,999 INFO L82 PathProgramCache]: Analyzing trace with hash -995285644, now seen corresponding path program 1 times [2018-11-28 11:26:19,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:19,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:26:20,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:26:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:26:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:26:20,048 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 4 states. [2018-11-28 11:26:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,125 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2018-11-28 11:26:20,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:20,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 11:26:20,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,126 INFO L225 Difference]: With dead ends: 105 [2018-11-28 11:26:20,126 INFO L226 Difference]: Without dead ends: 92 [2018-11-28 11:26:20,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-28 11:26:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 87. [2018-11-28 11:26:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-28 11:26:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-28 11:26:20,133 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-11-28 11:26:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,133 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-28 11:26:20,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:26:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-28 11:26:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 11:26:20,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,134 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, 1, 1] [2018-11-28 11:26:20,134 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1018822169, now seen corresponding path program 1 times [2018-11-28 11:26:20,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:26:20,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:20,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,175 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-11-28 11:26:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,186 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-11-28 11:26:20,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:20,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 11:26:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,187 INFO L225 Difference]: With dead ends: 86 [2018-11-28 11:26:20,187 INFO L226 Difference]: Without dead ends: 86 [2018-11-28 11:26:20,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-28 11:26:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-28 11:26:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 11:26:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-11-28 11:26:20,192 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-11-28 11:26:20,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,192 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-11-28 11:26:20,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-11-28 11:26:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:26:20,193 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,193 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, 1, 1] [2018-11-28 11:26:20,193 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1518716587, now seen corresponding path program 1 times [2018-11-28 11:26:20,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:26:20,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:20,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:20,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,249 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 5 states. [2018-11-28 11:26:20,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,295 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2018-11-28 11:26:20,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:20,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 11:26:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,297 INFO L225 Difference]: With dead ends: 88 [2018-11-28 11:26:20,297 INFO L226 Difference]: Without dead ends: 88 [2018-11-28 11:26:20,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-28 11:26:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2018-11-28 11:26:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 11:26:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-11-28 11:26:20,301 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-11-28 11:26:20,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,302 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-11-28 11:26:20,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-11-28 11:26:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:26:20,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:20,303 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1225313580, now seen corresponding path program 1 times [2018-11-28 11:26:20,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:26:20,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:20,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:20,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,352 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 5 states. [2018-11-28 11:26:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,370 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-11-28 11:26:20,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:20,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 11:26:20,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,371 INFO L225 Difference]: With dead ends: 61 [2018-11-28 11:26:20,371 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 11:26:20,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 11:26:20,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 11:26:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 11:26:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-11-28 11:26:20,377 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 23 [2018-11-28 11:26:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,377 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-11-28 11:26:20,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-11-28 11:26:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:20,378 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,378 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] [2018-11-28 11:26:20,378 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012497, now seen corresponding path program 1 times [2018-11-28 11:26:20,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,475 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 11:26:20,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:26:20,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:26:20,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:26:20,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:26:20,476 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 7 states. [2018-11-28 11:26:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,622 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-28 11:26:20,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:26:20,625 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-28 11:26:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,626 INFO L225 Difference]: With dead ends: 61 [2018-11-28 11:26:20,626 INFO L226 Difference]: Without dead ends: 61 [2018-11-28 11:26:20,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:26:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-28 11:26:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-11-28 11:26:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-28 11:26:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-11-28 11:26:20,630 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 28 [2018-11-28 11:26:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,630 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-11-28 11:26:20,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:26:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-11-28 11:26:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:20,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,631 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] [2018-11-28 11:26:20,632 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012496, now seen corresponding path program 1 times [2018-11-28 11:26:20,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:26:20,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:26:20,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:26:20,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:26:20,715 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-11-28 11:26:20,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,856 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-11-28 11:26:20,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:26:20,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-28 11:26:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,857 INFO L225 Difference]: With dead ends: 54 [2018-11-28 11:26:20,857 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 11:26:20,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:26:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 11:26:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-28 11:26:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 11:26:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-11-28 11:26:20,860 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 28 [2018-11-28 11:26:20,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,860 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-11-28 11:26:20,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:26:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-11-28 11:26:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:20,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,861 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] [2018-11-28 11:26:20,862 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:20,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1946615217, now seen corresponding path program 1 times [2018-11-28 11:26:20,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:20,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:20,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:20,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:20,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:20,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:26:20,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:26:20,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:26:20,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:26:20,972 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 7 states. [2018-11-28 11:26:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:21,161 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-11-28 11:26:21,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:26:21,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-28 11:26:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:21,162 INFO L225 Difference]: With dead ends: 56 [2018-11-28 11:26:21,162 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 11:26:21,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:26:21,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 11:26:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 11:26:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:26:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-11-28 11:26:21,164 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-11-28 11:26:21,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:21,164 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-11-28 11:26:21,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:26:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-11-28 11:26:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:26:21,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:21,165 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] [2018-11-28 11:26:21,166 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:21,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782604, now seen corresponding path program 1 times [2018-11-28 11:26:21,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:21,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:21,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:21,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:21,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:21,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:21,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:26:21,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:21,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:21,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:21,194 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-11-28 11:26:21,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:21,201 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-28 11:26:21,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:21,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-11-28 11:26:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:21,202 INFO L225 Difference]: With dead ends: 42 [2018-11-28 11:26:21,202 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 11:26:21,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:21,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 11:26:21,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 11:26:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:26:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-28 11:26:21,205 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-11-28 11:26:21,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:21,205 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-28 11:26:21,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-28 11:26:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 11:26:21,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:21,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:21,206 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 11:26:21,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:21,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1053361321, now seen corresponding path program 1 times [2018-11-28 11:26:21,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:26:21,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:26:21,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:21,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:21,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:26:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:26:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:26:21,249 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:26:21,260 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 11:26:21,264 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 11:26:21,265 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:26:21,265 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:26:21,266 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 11:26:21,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:26:21 BoogieIcfgContainer [2018-11-28 11:26:21,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:26:21,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:26:21,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:26:21,275 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:26:21,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:19" (3/4) ... [2018-11-28 11:26:21,280 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:26:21,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:26:21,281 INFO L168 Benchmark]: Toolchain (without parser) took 3174.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:26:21,282 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:26:21,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:26:21,283 INFO L168 Benchmark]: Boogie Preprocessor took 54.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:26:21,283 INFO L168 Benchmark]: RCFGBuilder took 823.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.8 MB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:26:21,284 INFO L168 Benchmark]: TraceAbstraction took 1858.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 989.8 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:26:21,284 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:26:21,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 823.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.8 MB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1858.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 989.8 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 18 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={13:0}, ldv_global_msg_list={16:0}] [L1477] CALL entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}] [L1443] int ret = - -3; VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={13:0}, ldv_global_msg_list={16:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, a6={13:0}, ldv_global_msg_list={16:0}, malloc(size)={12:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={13:0}, a={13:0}, a6={13:0}, f6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={13:0}, a={13:0}, a6={13:0}, g6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1453] a->p = p VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1454] return 0; VAL [\result=0, a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1473] a6.p = 0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1477] RET entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 73 error locations. UNSAFE Result, 1.8s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 364 SDslu, 941 SDs, 0 SdLazy, 518 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 26229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:26:22,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:26:22,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:26:22,750 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:26:22,750 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:26:22,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:26:22,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:26:22,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:26:22,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:26:22,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:26:22,755 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:26:22,755 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:26:22,756 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:26:22,757 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:26:22,757 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:26:22,758 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:26:22,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:26:22,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:26:22,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:26:22,763 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:26:22,764 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:26:22,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:26:22,766 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:26:22,766 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:26:22,766 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:26:22,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:26:22,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:26:22,769 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:26:22,769 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:26:22,770 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:26:22,770 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:26:22,771 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:26:22,772 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:26:22,772 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:26:22,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:26:22,773 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:26:22,773 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 11:26:22,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:26:22,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:26:22,784 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:26:22,784 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:26:22,785 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:26:22,785 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:26:22,785 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:26:22,785 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:26:22,785 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:26:22,786 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:26:22,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:26:22,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:26:22,788 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:26:22,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:26:22,789 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:26:22,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:26:22,789 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:26:22,789 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_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-11-28 11:26:22,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:26:22,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:26:22,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:26:22,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:26:22,823 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:26:22,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:22,858 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/e31c09624/0120a94ea082402e8b7151cd69d87e78/FLAG35ca87884 [2018-11-28 11:26:23,302 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:26:23,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:23,313 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/e31c09624/0120a94ea082402e8b7151cd69d87e78/FLAG35ca87884 [2018-11-28 11:26:23,322 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/data/e31c09624/0120a94ea082402e8b7151cd69d87e78 [2018-11-28 11:26:23,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:26:23,325 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 11:26:23,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:26:23,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:26:23,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:26:23,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,332 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 11:26:23, skipping insertion in model container [2018-11-28 11:26:23,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:26:23,372 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:26:23,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:26:23,690 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:26:23,734 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:26:23,782 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:26:23,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23 WrapperNode [2018-11-28 11:26:23,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:26:23,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:26:23,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:26:23,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:26:23,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... [2018-11-28 11:26:23,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:26:23,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:26:23,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:26:23,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:26:23,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 11:26:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 11:26:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 11:26:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 11:26:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 11:26:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 11:26:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 11:26:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 11:26:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 11:26:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 11:26:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 11:26:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 11:26:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 11:26:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 11:26:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:26:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 11:26:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 11:26:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:26:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 11:26:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 11:26:24,245 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:26:24,574 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 11:26:24,899 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:26:24,899 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:26:24,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:24 BoogieIcfgContainer [2018-11-28 11:26:24,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:26:24,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:26:24,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:26:24,903 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:26:24,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:26:23" (1/3) ... [2018-11-28 11:26:24,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276335f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:26:24, skipping insertion in model container [2018-11-28 11:26:24,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:26:23" (2/3) ... [2018-11-28 11:26:24,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276335f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:26:24, skipping insertion in model container [2018-11-28 11:26:24,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:24" (3/3) ... [2018-11-28 11:26:24,905 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-11-28 11:26:24,912 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:26:24,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-11-28 11:26:24,927 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-11-28 11:26:24,943 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:26:24,943 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:26:24,944 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 11:26:24,944 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:26:24,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:26:24,944 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:26:24,944 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:26:24,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:26:24,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:26:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 11:26:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:24,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:24,961 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 11:26:24,962 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:24,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:24,966 INFO L82 PathProgramCache]: Analyzing trace with hash -435326506, now seen corresponding path program 1 times [2018-11-28 11:26:24,969 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:24,969 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:24,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:25,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:25,095 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:25,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:25,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:26:25,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:25,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:25,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:25,111 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-11-28 11:26:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:25,176 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-11-28 11:26:25,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:25,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 11:26:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:25,188 INFO L225 Difference]: With dead ends: 72 [2018-11-28 11:26:25,188 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 11:26:25,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 11:26:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-11-28 11:26:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 11:26:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-11-28 11:26:25,226 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-11-28 11:26:25,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:25,227 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-11-28 11:26:25,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-11-28 11:26:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:25,228 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:25,228 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 11:26:25,228 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:25,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:25,229 INFO L82 PathProgramCache]: Analyzing trace with hash -631840011, now seen corresponding path program 1 times [2018-11-28 11:26:25,229 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:25,229 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:25,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:25,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:25,329 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 11:26:25,343 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:25,354 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 11:26:25,363 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:25,367 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:25,376 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 11:26:25,377 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:25,414 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 11:26:25,415 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:25,440 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:25,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:25,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-28 11:26:25,504 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-11-28 11:26:25,540 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 11:26:25,540 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:25,543 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:25,543 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-11-28 11:26:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:25,558 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:25,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:25,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:26:25,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:26:25,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:26:25,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:26:25,561 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-11-28 11:26:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:25,734 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2018-11-28 11:26:25,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:25,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 11:26:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:25,736 INFO L225 Difference]: With dead ends: 88 [2018-11-28 11:26:25,736 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 11:26:25,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 11:26:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2018-11-28 11:26:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-28 11:26:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2018-11-28 11:26:25,742 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 20 [2018-11-28 11:26:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:25,742 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2018-11-28 11:26:25,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:26:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-11-28 11:26:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 11:26:25,744 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:25,744 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 11:26:25,744 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:25,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:25,745 INFO L82 PathProgramCache]: Analyzing trace with hash -631840010, now seen corresponding path program 1 times [2018-11-28 11:26:25,745 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:25,745 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:25,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:25,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:25,809 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 11:26:25,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:25,831 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-28 11:26:25,832 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:25,841 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:26:25,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-28 11:26:25,854 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2018-11-28 11:26:25,876 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 11:26:25,876 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:25,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:25,881 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-11-28 11:26:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:25,891 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:25,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:25,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:26:25,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:26:25,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:26:25,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:26:25,894 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand 4 states. [2018-11-28 11:26:26,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:26,009 INFO L93 Difference]: Finished difference Result 106 states and 114 transitions. [2018-11-28 11:26:26,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:26:26,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 11:26:26,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:26,010 INFO L225 Difference]: With dead ends: 106 [2018-11-28 11:26:26,010 INFO L226 Difference]: Without dead ends: 96 [2018-11-28 11:26:26,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-28 11:26:26,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 87. [2018-11-28 11:26:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-28 11:26:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-28 11:26:26,015 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-11-28 11:26:26,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:26,016 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-28 11:26:26,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:26:26,016 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-28 11:26:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 11:26:26,016 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:26,016 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] [2018-11-28 11:26:26,017 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:26,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1867690150, now seen corresponding path program 1 times [2018-11-28 11:26:26,017 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:26,017 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:26,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:26,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:26,092 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:26,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:26,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:26:26,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:26:26,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:26:26,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:26,095 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-11-28 11:26:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:26,124 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-11-28 11:26:26,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:26:26,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 11:26:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:26,126 INFO L225 Difference]: With dead ends: 86 [2018-11-28 11:26:26,126 INFO L226 Difference]: Without dead ends: 86 [2018-11-28 11:26:26,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:26:26,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-28 11:26:26,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-28 11:26:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 11:26:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-11-28 11:26:26,131 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-11-28 11:26:26,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:26,131 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-11-28 11:26:26,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:26:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-11-28 11:26:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:26:26,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:26,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:26,132 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:26,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:26,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2063819383, now seen corresponding path program 1 times [2018-11-28 11:26:26,133 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:26,133 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:26,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:26,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:26,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:26:26,207 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:26,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:26,210 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 11:26:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:26,248 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:26,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:26,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:26:26,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:26:26,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:26:26,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:26:26,256 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2018-11-28 11:26:26,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:26,393 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-11-28 11:26:26,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:26:26,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-11-28 11:26:26,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:26,394 INFO L225 Difference]: With dead ends: 89 [2018-11-28 11:26:26,394 INFO L226 Difference]: Without dead ends: 89 [2018-11-28 11:26:26,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:26:26,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-11-28 11:26:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-11-28 11:26:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 11:26:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-11-28 11:26:26,402 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-11-28 11:26:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:26,402 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-11-28 11:26:26,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:26:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-11-28 11:26:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:26:26,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:26,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:26,403 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:26,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:26,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1937744906, now seen corresponding path program 1 times [2018-11-28 11:26:26,416 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:26,416 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:26,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:26,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:26,472 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:26,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:26,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:26:26,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:26:26,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:26:26,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:26:26,474 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 6 states. [2018-11-28 11:26:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:26,505 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-11-28 11:26:26,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:26:26,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-11-28 11:26:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:26,507 INFO L225 Difference]: With dead ends: 77 [2018-11-28 11:26:26,507 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 11:26:26,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:26:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 11:26:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-11-28 11:26:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-28 11:26:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-11-28 11:26:26,512 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 23 [2018-11-28 11:26:26,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:26,512 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-11-28 11:26:26,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:26:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-11-28 11:26:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:26,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:26,513 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] [2018-11-28 11:26:26,513 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:26,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:26,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719761, now seen corresponding path program 1 times [2018-11-28 11:26:26,514 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:26,514 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:26,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:26,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:26,595 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 11:26:26,600 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:26,610 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-28 11:26:26,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:26,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:26:26,640 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 11:26:26,644 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:26,651 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 11:26:26,654 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:26,657 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:26,663 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 11:26:26,664 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:26,687 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 11:26:26,687 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:26,704 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:26,719 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:26,748 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 6 xjuncts. [2018-11-28 11:26:26,748 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-11-28 11:26:27,675 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-11-28 11:26:27,685 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,686 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,688 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,689 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 11:26:27,689 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:27,761 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,762 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 49 [2018-11-28 11:26:27,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:27,907 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:27,909 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 28 treesize of output 31 [2018-11-28 11:26:27,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:27,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 11:26:27,998 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:28,065 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,067 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,068 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 29 treesize of output 21 [2018-11-28 11:26:28,068 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:28,084 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,085 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,086 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 31 treesize of output 23 [2018-11-28 11:26:28,086 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:28,150 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,151 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:28,152 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 21 [2018-11-28 11:26:28,152 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:28,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:28,209 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2018-11-28 11:26:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:28,284 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:28,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:28,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:26:28,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:26:28,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:26:28,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-11-28 11:26:28,286 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 9 states. [2018-11-28 11:26:32,178 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 11:26:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:33,717 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-11-28 11:26:33,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:26:33,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-11-28 11:26:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:33,718 INFO L225 Difference]: With dead ends: 77 [2018-11-28 11:26:33,718 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 11:26:33,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=59, Invalid=125, Unknown=2, NotChecked=24, Total=210 [2018-11-28 11:26:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 11:26:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2018-11-28 11:26:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-28 11:26:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-11-28 11:26:33,722 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 28 [2018-11-28 11:26:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:33,722 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-11-28 11:26:33,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:26:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-11-28 11:26:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:33,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:33,724 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] [2018-11-28 11:26:33,724 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:33,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:33,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719760, now seen corresponding path program 1 times [2018-11-28 11:26:33,724 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:33,724 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:33,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:33,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:33,792 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 11:26:33,796 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:33,802 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 11:26:33,805 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 11:26:33,805 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:33,817 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:33,820 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:33,826 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 11:26:33,826 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:33,841 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:33,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:33,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-28 11:26:33,869 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-11-28 11:26:34,278 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-11-28 11:26:34,282 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 11:26:34,283 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:34,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:26:34,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-28 11:26:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:34,318 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:34,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:34,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:26:34,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:26:34,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:26:34,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-11-28 11:26:34,321 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 8 states. [2018-11-28 11:26:36,466 WARN L180 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 11:26:37,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:37,148 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-11-28 11:26:37,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:26:37,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-28 11:26:37,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:37,149 INFO L225 Difference]: With dead ends: 55 [2018-11-28 11:26:37,149 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 11:26:37,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=82, Unknown=6, NotChecked=20, Total=156 [2018-11-28 11:26:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 11:26:37,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-28 11:26:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 11:26:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-11-28 11:26:37,153 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 28 [2018-11-28 11:26:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:37,153 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-11-28 11:26:37,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:26:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-28 11:26:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:37,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:37,154 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] [2018-11-28 11:26:37,154 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:37,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:37,154 INFO L82 PathProgramCache]: Analyzing trace with hash 589117040, now seen corresponding path program 1 times [2018-11-28 11:26:37,154 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:37,158 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:37,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:37,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:37,223 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 11:26:37,239 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:37,246 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 11:26:37,252 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 11:26:37,252 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:37,268 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:37,270 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:37,276 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 11:26:37,277 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:37,293 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:37,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:37,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-28 11:26:37,323 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-11-28 11:26:37,344 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 11:26:37,345 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:37,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:37,346 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-11-28 11:26:37,401 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:37,402 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 16 treesize of output 10 [2018-11-28 11:26:37,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:37,418 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:37,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-11-28 11:26:37,419 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:37,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-28 11:26:37,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2018-11-28 11:26:38,170 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (not (= probe1_6_~p~0.base (_ bv0 32))) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2018-11-28 11:26:38,175 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:38,176 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:38,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-28 11:26:38,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:38,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:26:38,183 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2018-11-28 11:26:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:38,412 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (10)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 11:26:38,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:38,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 11:26:38,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 11:26:38,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 11:26:38,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2018-11-28 11:26:38,424 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 12 states. [2018-11-28 11:26:47,914 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-11-28 11:26:52,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:52,308 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-11-28 11:26:52,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:26:52,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-11-28 11:26:52,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:52,309 INFO L225 Difference]: With dead ends: 57 [2018-11-28 11:26:52,309 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 11:26:52,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=54, Invalid=159, Unknown=1, NotChecked=26, Total=240 [2018-11-28 11:26:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 11:26:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-28 11:26:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 11:26:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-11-28 11:26:52,312 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 28 [2018-11-28 11:26:52,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:52,312 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-11-28 11:26:52,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 11:26:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-11-28 11:26:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:26:52,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:52,313 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] [2018-11-28 11:26:52,313 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:26:52,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash 589117041, now seen corresponding path program 1 times [2018-11-28 11:26:52,313 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:26:52,313 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:26:52,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:52,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:52,389 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 11:26:52,396 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,404 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-28 11:26:52,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:52,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:26:52,437 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 11:26:52,440 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,446 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 11:26:52,449 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 11:26:52,449 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,467 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,470 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,476 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 11:26:52,477 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:52,499 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:52,519 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:52,547 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 6 xjuncts. [2018-11-28 11:26:52,547 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-11-28 11:26:52,613 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 25 treesize of output 20 [2018-11-28 11:26:52,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,640 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,641 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,641 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 25 treesize of output 19 [2018-11-28 11:26:52,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,665 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,666 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:52,666 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 20 treesize of output 14 [2018-11-28 11:26:52,667 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,697 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 11:26:52,697 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:52,705 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2018-11-28 11:26:54,576 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 11:26:54,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:26:54,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:54,592 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 11:26:54,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:54,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:26:54,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2018-11-28 11:26:55,594 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,596 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,599 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2018-11-28 11:26:55,615 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-11-28 11:26:55,728 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,729 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,730 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 21 [2018-11-28 11:26:55,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:55,733 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,734 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,734 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 29 treesize of output 23 [2018-11-28 11:26:55,734 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:55,822 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,823 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 30 treesize of output 33 [2018-11-28 11:26:55,824 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:55,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,907 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 30 treesize of output 33 [2018-11-28 11:26:55,907 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:55,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,968 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:55,969 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 29 treesize of output 21 [2018-11-28 11:26:55,969 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:56,024 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:56,025 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:56,027 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:26:56,027 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 29 treesize of output 22 [2018-11-28 11:26:56,028 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 11:26:56,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 11:26:56,083 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2018-11-28 11:26:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:58,103 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:58,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:58,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:26:58,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:26:58,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:26:58,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2018-11-28 11:26:58,105 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-11-28 11:27:04,927 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-11-28 11:27:13,414 WARN L180 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 11:27:21,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:27:21,762 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-11-28 11:27:21,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:27:21,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-28 11:27:21,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:27:21,763 INFO L225 Difference]: With dead ends: 53 [2018-11-28 11:27:21,763 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 11:27:21,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2018-11-28 11:27:21,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 11:27:21,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 11:27:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:27:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-11-28 11:27:21,764 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-11-28 11:27:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:27:21,765 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-11-28 11:27:21,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:27:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-11-28 11:27:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:27:21,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:27:21,765 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] [2018-11-28 11:27:21,765 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:27:21,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:27:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -900221173, now seen corresponding path program 1 times [2018-11-28 11:27:21,766 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:27:21,766 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 11:27:21,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:27:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:27:21,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:27:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:27:21,820 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:27:21,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:27:21,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:27:21,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:27:21,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:27:21,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:27:21,825 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-11-28 11:27:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:27:21,832 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-11-28 11:27:21,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:27:21,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-11-28 11:27:21,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:27:21,833 INFO L225 Difference]: With dead ends: 42 [2018-11-28 11:27:21,833 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 11:27:21,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:27:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 11:27:21,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 11:27:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:27:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-11-28 11:27:21,837 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-11-28 11:27:21,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:27:21,837 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-11-28 11:27:21,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:27:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-11-28 11:27:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 11:27:21,838 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:27:21,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:27:21,838 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_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2018-11-28 11:27:21,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:27:21,839 INFO L82 PathProgramCache]: Analyzing trace with hash -629260568, now seen corresponding path program 1 times [2018-11-28 11:27:21,839 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:27:21,839 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bcb4165-fffa-477e-ad80-532b4cadcfa1/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 11:27:21,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:27:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:27:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:27:22,048 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:27:22,060 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 11:27:22,063 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 11:27:22,064 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:27:22,064 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 11:27:22,064 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 11:27:22,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:27:22 BoogieIcfgContainer [2018-11-28 11:27:22,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:27:22,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:27:22,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:27:22,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:27:22,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:26:24" (3/4) ... [2018-11-28 11:27:22,075 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:27:22,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:27:22,076 INFO L168 Benchmark]: Toolchain (without parser) took 58751.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 197.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:27:22,077 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:27:22,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:27:22,077 INFO L168 Benchmark]: Boogie Preprocessor took 64.50 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:27:22,077 INFO L168 Benchmark]: RCFGBuilder took 1052.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:27:22,078 INFO L168 Benchmark]: TraceAbstraction took 57171.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -15.2 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:27:22,078 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:27:22,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 456.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.50 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1052.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57171.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -15.2 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 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~~A?p~*VOID# - 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~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1477] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={4093:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={4093:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={4093:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1473] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1477] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 340 locations, 73 error locations. UNSAFE Result, 57.1s OverallTime, 12 OverallIterations, 1 TraceHistogramMax, 46.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 524 SDslu, 1105 SDs, 0 SdLazy, 686 SolverSat, 190 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 202 SyntacticMatches, 15 SemanticMatches, 71 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 30.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 11 MinimizatonAttempts, 41 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 266 ConstructedInterpolants, 38 QuantifiedInterpolants, 53149 SizeOfPredicates, 43 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...