./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 e53864a130ec49c3d57a4174d0d837947e0a75e0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:45:50,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:45:50,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:45:50,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:45:50,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:45:50,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:45:50,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:45:50,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:45:50,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:45:50,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:45:50,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:45:50,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:45:50,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:45:50,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:45:50,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:45:50,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:45:50,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:45:50,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:45:50,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:45:50,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:45:50,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:45:50,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:45:50,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:45:50,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:45:50,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:45:50,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:45:50,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:45:50,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:45:50,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:45:50,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:45:50,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:45:50,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:45:50,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:45:50,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:45:50,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:45:50,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:45:50,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:45:50,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:45:50,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:45:50,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:45:50,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:45:50,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 06:45:50,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:45:50,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:45:50,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:45:50,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:45:50,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:45:50,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:45:50,553 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 06:45:50,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 06:45:50,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 06:45:50,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:45:50,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:45:50,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:45:50,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:45:50,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:45:50,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:45:50,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:45:50,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:45:50,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:45:50,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:45:50,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:45:50,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:45:50,556 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:45:50,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:45:50,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:45:50,557 INFO L138 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/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 -> e53864a130ec49c3d57a4174d0d837947e0a75e0 [2019-11-20 06:45:50,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:45:50,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:45:50,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:45:50,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:45:50,723 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:45:50,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2019-11-20 06:45:50,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/data/2fad568d7/cdedd763e2674edf9fbb642ea2391da0/FLAG6929ffff1 [2019-11-20 06:45:51,257 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:45:51,258 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2019-11-20 06:45:51,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/data/2fad568d7/cdedd763e2674edf9fbb642ea2391da0/FLAG6929ffff1 [2019-11-20 06:45:51,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/uautomizer/data/2fad568d7/cdedd763e2674edf9fbb642ea2391da0 [2019-11-20 06:45:51,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:45:51,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 06:45:51,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:51,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:45:51,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:45:51,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:51,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef8b1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51, skipping insertion in model container [2019-11-20 06:45:51,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:51,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:45:51,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:45:51,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:51,833 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:45:51,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:51,978 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:45:51,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51 WrapperNode [2019-11-20 06:45:51,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:51,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:45:51,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:45:51,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:45:51,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:51,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... [2019-11-20 06:45:52,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:45:52,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:45:52,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:45:52,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:45:52,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:45:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 06:45:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:45:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 06:45:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 06:45:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 06:45:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 06:45:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 06:45:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 06:45:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 06:45:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 06:45:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 06:45:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 06:45:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 06:45:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 06:45:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 06:45:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 06:45:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 06:45:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 06:45:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 06:45:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 06:45:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 06:45:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 06:45:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 06:45:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 06:45:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 06:45:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 06:45:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 06:45:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2019-11-20 06:45:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2019-11-20 06:45:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2019-11-20 06:45:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 06:45:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 06:45:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 06:45:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 06:45:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 06:45:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 06:45:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 06:45:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 06:45:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 06:45:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 06:45:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 06:45:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 06:45:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 06:45:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 06:45:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 06:45:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 06:45:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 06:45:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 06:45:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 06:45:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 06:45:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 06:45:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 06:45:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 06:45:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 06:45:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 06:45:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 06:45:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 06:45:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 06:45:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 06:45:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 06:45:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 06:45:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 06:45:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 06:45:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 06:45:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 06:45:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 06:45:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 06:45:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 06:45:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 06:45:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 06:45:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 06:45:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 06:45:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 06:45:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 06:45:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 06:45:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 06:45:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 06:45:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 06:45:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 06:45:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 06:45:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 06:45:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 06:45:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 06:45:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 06:45:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 06:45:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 06:45:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 06:45:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 06:45:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 06:45:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 06:45:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 06:45:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 06:45:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 06:45:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 06:45:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 06:45:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 06:45:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 06:45:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 06:45:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 06:45:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 06:45:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 06:45:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 06:45:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 06:45:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 06:45:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 06:45:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 06:45:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 06:45:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 06:45:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 06:45:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 06:45:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 06:45:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 06:45:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2019-11-20 06:45:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:45:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 06:45:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:45:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 06:45:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 06:45:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 06:45:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 06:45:52,882 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 06:45:53,384 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 06:45:53,854 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:45:53,862 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 06:45:53,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:53 BoogieIcfgContainer [2019-11-20 06:45:53,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:45:53,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:45:53,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:45:53,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:45:53,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:51" (1/3) ... [2019-11-20 06:45:53,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1398aa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:53, skipping insertion in model container [2019-11-20 06:45:53,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:51" (2/3) ... [2019-11-20 06:45:53,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1398aa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:53, skipping insertion in model container [2019-11-20 06:45:53,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:53" (3/3) ... [2019-11-20 06:45:53,874 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2019-11-20 06:45:53,883 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:45:53,893 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2019-11-20 06:45:53,904 INFO L249 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2019-11-20 06:45:53,928 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:45:53,928 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 06:45:53,929 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:45:53,929 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:45:53,929 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:45:53,929 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:45:53,929 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:45:53,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:45:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-20 06:45:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:45:53,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:53,971 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:53,972 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:53,976 INFO L82 PathProgramCache]: Analyzing trace with hash -790939563, now seen corresponding path program 1 times [2019-11-20 06:45:53,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:53,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [285055005] [2019-11-20 06:45:53,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:45:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:54,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:54,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:54,348 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:54,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [285055005] [2019-11-20 06:45:54,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:54,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 06:45:54,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830771213] [2019-11-20 06:45:54,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:54,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:54,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:54,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:54,467 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 5 states. [2019-11-20 06:45:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:54,611 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2019-11-20 06:45:54,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:54,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-20 06:45:54,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:54,629 INFO L225 Difference]: With dead ends: 146 [2019-11-20 06:45:54,629 INFO L226 Difference]: Without dead ends: 143 [2019-11-20 06:45:54,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-20 06:45:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2019-11-20 06:45:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 06:45:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2019-11-20 06:45:54,719 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2019-11-20 06:45:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:54,720 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2019-11-20 06:45:54,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2019-11-20 06:45:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:45:54,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:54,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:54,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:54,937 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:54,937 INFO L82 PathProgramCache]: Analyzing trace with hash 951870772, now seen corresponding path program 1 times [2019-11-20 06:45:54,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:54,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1213362001] [2019-11-20 06:45:54,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:45:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:55,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 06:45:55,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:55,178 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:55,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1213362001] [2019-11-20 06:45:55,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:45:55,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 06:45:55,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249833151] [2019-11-20 06:45:55,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:45:55,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:55,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:45:55,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:55,242 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 3 states. [2019-11-20 06:45:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:55,481 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2019-11-20 06:45:55,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:45:55,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-20 06:45:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:55,484 INFO L225 Difference]: With dead ends: 158 [2019-11-20 06:45:55,484 INFO L226 Difference]: Without dead ends: 155 [2019-11-20 06:45:55,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:45:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-20 06:45:55,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2019-11-20 06:45:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-20 06:45:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2019-11-20 06:45:55,502 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2019-11-20 06:45:55,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:55,503 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2019-11-20 06:45:55,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:45:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2019-11-20 06:45:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:45:55,504 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:55,504 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:55,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:55,714 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024212, now seen corresponding path program 1 times [2019-11-20 06:45:55,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:55,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [129095172] [2019-11-20 06:45:55,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:45:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:55,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:45:55,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:56,019 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:45:56,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [129095172] [2019-11-20 06:45:56,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:56,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-20 06:45:56,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193090198] [2019-11-20 06:45:56,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:45:56,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:56,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:45:56,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:56,062 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 5 states. [2019-11-20 06:45:56,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:45:56,106 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2019-11-20 06:45:56,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:45:56,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 06:45:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:45:56,109 INFO L225 Difference]: With dead ends: 104 [2019-11-20 06:45:56,109 INFO L226 Difference]: Without dead ends: 104 [2019-11-20 06:45:56,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:45:56,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-20 06:45:56,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-20 06:45:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-20 06:45:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2019-11-20 06:45:56,118 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 21 [2019-11-20 06:45:56,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:45:56,118 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2019-11-20 06:45:56,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:45:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2019-11-20 06:45:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:45:56,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:45:56,119 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:45:56,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:45:56,322 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:45:56,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:56,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024245, now seen corresponding path program 1 times [2019-11-20 06:45:56,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:45:56,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [316220998] [2019-11-20 06:45:56,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:45:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:56,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:45:56,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:45:56,628 INFO L377 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 [2019-11-20 06:45:56,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:56,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:56,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:45:56,633 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 06:45:56,729 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:45:56,729 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-20 06:45:56,730 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:45:56,756 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-20 06:45:56,757 INFO L496 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. [2019-11-20 06:45:56,757 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-20 06:45:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:56,787 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:45:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:45:57,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [316220998] [2019-11-20 06:45:57,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:45:57,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-20 06:45:57,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706393303] [2019-11-20 06:45:57,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 06:45:57,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:45:57,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 06:45:57,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-20 06:45:57,104 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand 13 states. [2019-11-20 06:46:37,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:46:37,662 INFO L93 Difference]: Finished difference Result 235 states and 278 transitions. [2019-11-20 06:46:37,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 06:46:37,663 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2019-11-20 06:46:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:46:37,666 INFO L225 Difference]: With dead ends: 235 [2019-11-20 06:46:37,666 INFO L226 Difference]: Without dead ends: 235 [2019-11-20 06:46:37,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-11-20 06:46:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-20 06:46:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 115. [2019-11-20 06:46:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-20 06:46:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-11-20 06:46:37,683 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 21 [2019-11-20 06:46:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:46:37,684 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-11-20 06:46:37,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 06:46:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-11-20 06:46:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:46:37,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:46:37,685 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:46:37,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:46:37,893 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:46:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:46:37,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024246, now seen corresponding path program 1 times [2019-11-20 06:46:37,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:46:37,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [660826488] [2019-11-20 06:46:37,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:46:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:38,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 06:46:38,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:46:38,141 INFO L377 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 [2019-11-20 06:46:38,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:38,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:38,155 INFO L377 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 [2019-11-20 06:46:38,156 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:38,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:38,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:46:38,165 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-20 06:46:40,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 06:46:40,289 INFO L377 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 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-20 06:46:40,290 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:40,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:40,334 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:40,334 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-20 06:46:40,335 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:40,353 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:40,354 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:46:40,355 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-20 06:46:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:40,393 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:46:40,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:46:42,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:46:42,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:46:42,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:46:42,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:46:42,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:46:42,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:46:42,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 06:46:46,623 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-20 06:46:46,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:46:50,258 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-11-20 06:46:53,925 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-20 06:46:53,934 INFO L377 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-20 06:46:53,935 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:53,945 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:53,954 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 06:46:53,954 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:46:53,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:46:53,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:46:53,969 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-20 06:46:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:54,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [660826488] [2019-11-20 06:46:54,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:46:54,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-20 06:46:54,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066908716] [2019-11-20 06:46:54,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 06:46:54,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:46:54,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 06:46:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=198, Unknown=5, NotChecked=0, Total=240 [2019-11-20 06:46:54,057 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 16 states. [2019-11-20 06:47:00,264 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse0)) (bvsle .cse0 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|)))) is different from false [2019-11-20 06:47:14,494 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse0)) (bvsle .cse0 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-20 06:47:20,892 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-20 06:47:25,263 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-20 06:48:26,975 WARN L191 SmtUtils]: Spent 12.21 s on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-20 06:49:36,359 WARN L191 SmtUtils]: Spent 20.20 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-20 06:50:34,525 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-20 06:52:24,350 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (bvadd c_entry_point_~c11~0.offset (_ bv4 32)))) (let ((.cse1 (bvsle (_ bv0 32) c_entry_point_~c11~0.offset)) (.cse2 (forall ((|v_ldv_malloc_#t~malloc12.base_27| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_27|) (_ bv0 1))))) (.cse3 (bvsle c_entry_point_~c11~0.offset .cse4))) (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse0)) (bvsle .cse0 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) .cse1 (or .cse2 .cse3) (= |c_#valid| |c_old(#valid)|) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_27| (_ BitVec 32))) (or (bvsle (bvadd c_entry_point_~c11~0.offset (_ bv4 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_27| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_27|) (_ bv0 1))))) (or .cse1 .cse2) (bvsle .cse4 (select |c_#length| c_entry_point_~c11~0.base)) .cse3 (= |c_old(#length)| |c_#length|)))) is different from false [2019-11-20 06:56:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:56:04,569 INFO L93 Difference]: Finished difference Result 330 states and 395 transitions. [2019-11-20 06:56:04,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-20 06:56:04,569 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-11-20 06:56:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:56:04,572 INFO L225 Difference]: With dead ends: 330 [2019-11-20 06:56:04,572 INFO L226 Difference]: Without dead ends: 330 [2019-11-20 06:56:04,573 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 129.0s TimeCoverageRelationStatistics Valid=137, Invalid=647, Unknown=40, NotChecked=168, Total=992 [2019-11-20 06:56:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-11-20 06:56:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 115. [2019-11-20 06:56:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-20 06:56:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2019-11-20 06:56:04,592 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 21 [2019-11-20 06:56:04,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:56:04,592 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2019-11-20 06:56:04,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 06:56:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2019-11-20 06:56:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:56:04,593 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:56:04,593 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:56:04,796 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:56:04,796 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:56:04,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:56:04,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1108621238, now seen corresponding path program 1 times [2019-11-20 06:56:04,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:56:04,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [75925456] [2019-11-20 06:56:04,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:56:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:56:04,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 06:56:04,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:56:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:56:05,006 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:56:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:05,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [75925456] [2019-11-20 06:56:05,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 06:56:05,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-20 06:56:05,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733477530] [2019-11-20 06:56:05,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:56:05,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:56:05,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:56:05,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:56:05,035 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand 5 states. [2019-11-20 06:56:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:56:05,057 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2019-11-20 06:56:05,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:56:05,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 06:56:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:56:05,060 INFO L225 Difference]: With dead ends: 109 [2019-11-20 06:56:05,060 INFO L226 Difference]: Without dead ends: 107 [2019-11-20 06:56:05,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:56:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-20 06:56:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-20 06:56:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-20 06:56:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2019-11-20 06:56:05,067 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 21 [2019-11-20 06:56:05,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:56:05,068 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2019-11-20 06:56:05,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:56:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2019-11-20 06:56:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:56:05,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:56:05,069 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:56:05,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:56:05,272 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:56:05,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:56:05,272 INFO L82 PathProgramCache]: Analyzing trace with hash 513078068, now seen corresponding path program 1 times [2019-11-20 06:56:05,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:56:05,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [745996582] [2019-11-20 06:56:05,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:56:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:56:05,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 06:56:05,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:56:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:05,475 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:56:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:05,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [745996582] [2019-11-20 06:56:05,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:56:05,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 06:56:05,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2907747] [2019-11-20 06:56:05,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:56:05,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:56:05,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:56:05,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:56:05,510 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 5 states. [2019-11-20 06:56:05,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:56:05,579 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-11-20 06:56:05,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:56:05,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 06:56:05,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:56:05,582 INFO L225 Difference]: With dead ends: 137 [2019-11-20 06:56:05,582 INFO L226 Difference]: Without dead ends: 137 [2019-11-20 06:56:05,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:56:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-20 06:56:05,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2019-11-20 06:56:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 06:56:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2019-11-20 06:56:05,588 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 22 [2019-11-20 06:56:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:56:05,588 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2019-11-20 06:56:05,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:56:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2019-11-20 06:56:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:56:05,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:56:05,590 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:56:05,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:56:05,792 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:56:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:56:05,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1400581749, now seen corresponding path program 1 times [2019-11-20 06:56:05,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:56:05,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [313328904] [2019-11-20 06:56:05,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:56:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:56:06,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 06:56:06,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:56:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:06,074 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:56:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:06,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [313328904] [2019-11-20 06:56:06,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 06:56:06,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-20 06:56:06,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292191028] [2019-11-20 06:56:06,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 06:56:06,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:56:06,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 06:56:06,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 06:56:06,207 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 9 states. [2019-11-20 06:56:06,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:56:06,508 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2019-11-20 06:56:06,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:56:06,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-20 06:56:06,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:56:06,510 INFO L225 Difference]: With dead ends: 108 [2019-11-20 06:56:06,510 INFO L226 Difference]: Without dead ends: 108 [2019-11-20 06:56:06,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 06:56:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-20 06:56:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-20 06:56:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-20 06:56:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 118 transitions. [2019-11-20 06:56:06,517 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 118 transitions. Word has length 22 [2019-11-20 06:56:06,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:56:06,518 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 118 transitions. [2019-11-20 06:56:06,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 06:56:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2019-11-20 06:56:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:56:06,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:56:06,519 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:56:06,730 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:56:06,730 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_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_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-20 06:56:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:56:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1384375273, now seen corresponding path program 1 times [2019-11-20 06:56:06,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:56:06,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [685398651] [2019-11-20 06:56:06,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c3acac5-f0d1-4413-a180-cf51d0f26056/bin/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 [2019-11-20 06:56:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:56:06,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 06:56:06,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:56:06,954 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:56:06,954 INFO L377 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 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-20 06:56:06,955 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:56:06,968 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-20 06:56:06,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:56:06,969 INFO L496 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. [2019-11-20 06:56:06,969 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-20 06:56:06,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:56:06,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:56:06,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:56:06,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:56:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:56:13,136 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:56:17,469 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 06:56:17,470 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 06:56:17,473 INFO L168 Benchmark]: Toolchain (without parser) took 626180.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 257.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -211.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:56:17,473 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:56:17,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:56:17,474 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:56:17,475 INFO L168 Benchmark]: RCFGBuilder took 1793.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.1 MB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:56:17,475 INFO L168 Benchmark]: TraceAbstraction took 623607.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -205.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:56:17,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 685.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1793.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.1 MB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 623607.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -205.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...