./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.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_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 0f08696eae487cefdee6788cfcf3f0c58f08e903 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 01:12:38,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:12:38,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:12:38,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:12:38,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:12:38,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:12:38,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:12:38,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:12:38,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:12:38,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:12:38,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:12:38,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:12:38,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:12:38,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:12:38,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:12:38,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:12:38,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:12:38,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:12:38,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:12:38,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:12:38,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:12:39,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:12:39,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:12:39,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:12:39,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:12:39,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:12:39,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:12:39,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:12:39,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:12:39,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:12:39,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:12:39,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:12:39,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:12:39,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:12:39,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:12:39,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:12:39,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:12:39,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:12:39,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:12:39,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:12:39,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:12:39,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 01:12:39,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:12:39,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:12:39,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:12:39,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:12:39,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:12:39,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:12:39,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:12:39,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:12:39,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:12:39,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:12:39,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:12:39,051 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 01:12:39,051 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 01:12:39,051 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 01:12:39,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:12:39,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 01:12:39,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 01:12:39,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:12:39,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:12:39,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:12:39,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:12:39,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:12:39,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:12:39,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:12:39,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:12:39,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:12:39,055 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 01:12:39,055 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 01:12:39,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:12:39,055 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_d0d89e09-5596-48ee-a467-33322deaf8cc/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 -> 0f08696eae487cefdee6788cfcf3f0c58f08e903 [2019-11-20 01:12:39,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:12:39,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:12:39,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:12:39,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:12:39,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:12:39,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-20 01:12:39,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/data/c53a994ff/fe3196fdce2a49c284f75cf379d85a79/FLAGd8393bfbb [2019-11-20 01:12:39,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:12:39,718 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-20 01:12:39,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/data/c53a994ff/fe3196fdce2a49c284f75cf379d85a79/FLAGd8393bfbb [2019-11-20 01:12:40,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/data/c53a994ff/fe3196fdce2a49c284f75cf379d85a79 [2019-11-20 01:12:40,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:12:40,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 01:12:40,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:40,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:12:40,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:12:40,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:40,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f781795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40, skipping insertion in model container [2019-11-20 01:12:40,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:40,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:12:40,096 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:12:40,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:40,710 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:12:40,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:40,938 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:12:40,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40 WrapperNode [2019-11-20 01:12:40,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:40,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:12:40,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:12:40,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:12:40,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:40,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:40,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:40,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:41,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:41,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:41,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... [2019-11-20 01:12:41,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:12:41,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:12:41,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:12:41,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:12:41,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 01:12:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 01:12:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 01:12:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 01:12:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 01:12:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 01:12:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-11-20 01:12:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 01:12:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 01:12:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 01:12:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 01:12:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 01:12:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 01:12:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 01:12:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 01:12:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 01:12:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 01:12:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 01:12:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 01:12:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 01:12:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 01:12:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 01:12:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 01:12:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 01:12:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 01:12:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 01:12:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 01:12:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 01:12:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:12:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 01:12:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:12:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 01:12:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 01:12:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 01:12:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 01:12:41,868 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:12:42,379 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 01:12:42,995 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:12:42,995 INFO L285 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-20 01:12:42,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:42 BoogieIcfgContainer [2019-11-20 01:12:42,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:12:42,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:12:42,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:12:43,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:12:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:12:40" (1/3) ... [2019-11-20 01:12:43,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88e8652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:43, skipping insertion in model container [2019-11-20 01:12:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:40" (2/3) ... [2019-11-20 01:12:43,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88e8652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:43, skipping insertion in model container [2019-11-20 01:12:43,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:42" (3/3) ... [2019-11-20 01:12:43,003 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test23_1.i [2019-11-20 01:12:43,011 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:12:43,019 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-11-20 01:12:43,028 INFO L249 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-11-20 01:12:43,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:12:43,046 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 01:12:43,046 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:12:43,046 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:12:43,046 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:12:43,046 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:12:43,046 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:12:43,046 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:12:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2019-11-20 01:12:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:12:43,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:43,093 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:43,096 INFO L410 AbstractCegarLoop]: === Iteration 1 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:12:43,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:43,101 INFO L82 PathProgramCache]: Analyzing trace with hash 706805899, now seen corresponding path program 1 times [2019-11-20 01:12:43,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:43,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [83542034] [2019-11-20 01:12:43,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:43,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 01:12:43,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:43,524 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 01:12:43,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:43,533 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:43,533 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:12:43,534 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 01:12:43,594 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 01:12:43,596 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:43,654 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 01:12:43,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [83542034] [2019-11-20 01:12:43,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:43,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-20 01:12:43,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274056273] [2019-11-20 01:12:43,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 01:12:43,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:43,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 01:12:43,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:12:43,679 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 7 states. [2019-11-20 01:12:44,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:44,544 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2019-11-20 01:12:44,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 01:12:44,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-20 01:12:44,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:44,575 INFO L225 Difference]: With dead ends: 189 [2019-11-20 01:12:44,575 INFO L226 Difference]: Without dead ends: 186 [2019-11-20 01:12:44,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:12:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-20 01:12:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2019-11-20 01:12:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-20 01:12:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 188 transitions. [2019-11-20 01:12:44,633 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 188 transitions. Word has length 18 [2019-11-20 01:12:44,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:44,633 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 188 transitions. [2019-11-20 01:12:44,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 01:12:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 188 transitions. [2019-11-20 01:12:44,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:12:44,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:44,635 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:44,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:12:44,840 INFO L410 AbstractCegarLoop]: === Iteration 2 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:12:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:44,841 INFO L82 PathProgramCache]: Analyzing trace with hash 706805900, now seen corresponding path program 1 times [2019-11-20 01:12:44,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:44,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1740616636] [2019-11-20 01:12:44,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:45,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 01:12:45,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:45,173 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 01:12:45,173 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:45,183 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:45,184 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:12:45,184 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-20 01:12:45,263 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 01:12:45,264 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:45,798 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 01:12:45,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1740616636] [2019-11-20 01:12:45,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:45,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-20 01:12:45,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637748461] [2019-11-20 01:12:45,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 01:12:45,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:45,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 01:12:45,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-20 01:12:45,801 INFO L87 Difference]: Start difference. First operand 178 states and 188 transitions. Second operand 14 states. [2019-11-20 01:12:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:47,338 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2019-11-20 01:12:47,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 01:12:47,339 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-20 01:12:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:47,342 INFO L225 Difference]: With dead ends: 184 [2019-11-20 01:12:47,342 INFO L226 Difference]: Without dead ends: 184 [2019-11-20 01:12:47,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-11-20 01:12:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-20 01:12:47,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2019-11-20 01:12:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-20 01:12:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 186 transitions. [2019-11-20 01:12:47,359 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 186 transitions. Word has length 18 [2019-11-20 01:12:47,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:47,359 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 186 transitions. [2019-11-20 01:12:47,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 01:12:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 186 transitions. [2019-11-20 01:12:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:12:47,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:47,360 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:47,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:12:47,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:12:47,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:47,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1845351062, now seen corresponding path program 1 times [2019-11-20 01:12:47,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:47,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1798791393] [2019-11-20 01:12:47,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:47,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 01:12:47,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:47,881 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 01:12:47,881 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:47,920 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 01:12:47,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1798791393] [2019-11-20 01:12:47,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:47,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 01:12:47,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998079902] [2019-11-20 01:12:47,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:12:47,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:47,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:12:47,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:12:47,922 INFO L87 Difference]: Start difference. First operand 178 states and 186 transitions. Second operand 5 states. [2019-11-20 01:12:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:47,952 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-11-20 01:12:47,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:12:47,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-20 01:12:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:47,954 INFO L225 Difference]: With dead ends: 171 [2019-11-20 01:12:47,954 INFO L226 Difference]: Without dead ends: 171 [2019-11-20 01:12:47,954 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 01:12:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-20 01:12:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-11-20 01:12:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-20 01:12:47,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-11-20 01:12:47,966 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-11-20 01:12:47,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:47,966 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-11-20 01:12:47,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:12:47,966 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-11-20 01:12:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:12:47,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:47,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:48,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:12:48,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:12:48,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:48,172 INFO L82 PathProgramCache]: Analyzing trace with hash 962715653, now seen corresponding path program 1 times [2019-11-20 01:12:48,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:48,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [970135536] [2019-11-20 01:12:48,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:48,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 01:12:48,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:48,544 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-20 01:12:48,544 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-20 01:12:48,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:48,579 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-20 01:12:48,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:48,581 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 01:12:48,582 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-20 01:12:48,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:48,659 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:48,660 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-20 01:12:48,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:48,673 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-20 01:12:48,673 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:12:48,673 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-11-20 01:12:48,776 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 01:12:48,776 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:48,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:49,021 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 01:12:49,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [970135536] [2019-11-20 01:12:49,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:49,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 16 [2019-11-20 01:12:49,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079695976] [2019-11-20 01:12:49,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-20 01:12:49,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:49,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-20 01:12:49,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2019-11-20 01:12:49,023 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 17 states. [2019-11-20 01:12:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:50,934 INFO L93 Difference]: Finished difference Result 263 states and 277 transitions. [2019-11-20 01:12:50,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-20 01:12:50,934 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 22 [2019-11-20 01:12:50,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:50,937 INFO L225 Difference]: With dead ends: 263 [2019-11-20 01:12:50,937 INFO L226 Difference]: Without dead ends: 260 [2019-11-20 01:12:50,938 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2019-11-20 01:12:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-20 01:12:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 172. [2019-11-20 01:12:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-20 01:12:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-11-20 01:12:50,954 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-11-20 01:12:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:50,954 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-11-20 01:12:50,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-20 01:12:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-11-20 01:12:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:12:50,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:50,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:51,159 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:12:51,159 INFO L410 AbstractCegarLoop]: === Iteration 5 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:12:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:51,160 INFO L82 PathProgramCache]: Analyzing trace with hash 962715654, now seen corresponding path program 1 times [2019-11-20 01:12:51,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:51,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1939701973] [2019-11-20 01:12:51,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:12:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:51,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-20 01:12:51,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:51,448 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-20 01:12:51,448 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-11-20 01:12:51,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:51,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:51,519 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-20 01:12:51,520 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-20 01:12:51,520 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:51,584 INFO L567 ElimStorePlain]: treesize reduction 10, result has 78.3 percent of original size [2019-11-20 01:12:51,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,586 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 01:12:51,586 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:36 [2019-11-20 01:12:51,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:51,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:53,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:53,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 01:12:53,978 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:53,978 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 63 [2019-11-20 01:12:53,980 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:53,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 01:12:54,001 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 34 treesize of output 36 [2019-11-20 01:12:54,002 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:54,070 INFO L567 ElimStorePlain]: treesize reduction 24, result has 73.0 percent of original size [2019-11-20 01:12:54,116 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:54,117 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 51 [2019-11-20 01:12:54,117 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:54,131 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:12:54,131 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 31 treesize of output 35 [2019-11-20 01:12:54,132 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 01:12:54,160 INFO L567 ElimStorePlain]: treesize reduction 28, result has 41.7 percent of original size [2019-11-20 01:12:54,161 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 01:12:54,161 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:71, output treesize:11 [2019-11-20 01:12:54,244 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 01:12:54,245 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:54,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:56,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:56,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:56,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:56,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:56,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:56,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:56,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:56,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:12:59,285 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-20 01:12:59,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:13:02,065 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 01:13:02,067 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1939701973] [2019-11-20 01:13:02,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:13:02,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-20 01:13:02,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130829188] [2019-11-20 01:13:02,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 01:13:02,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:13:02,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 01:13:02,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=168, Unknown=3, NotChecked=0, Total=210 [2019-11-20 01:13:02,069 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 15 states. [2019-11-20 01:13:22,788 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv8 32) (select |c_#length| |c_~#dev~0.base|)) (= (bvadd (select |c_#valid| |c_~#dev~0.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|))) (forall ((v_probe_23_~dev.base_BEFORE_CALL_8 (_ BitVec 32)) (v_probe_23_~dev.offset_BEFORE_CALL_4 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_17| (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32))) (let ((.cse0 (bvadd v_probe_23_~dev.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_16| (_ BitVec 32)) (v_ldv_malloc_~size_19 (_ BitVec 32))) (and (not (bvsle (bvadd v_probe_23_~dev.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_16| v_ldv_malloc_~size_19) v_probe_23_~dev.base_BEFORE_CALL_8))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_16|)))) (bvsle .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_17| ldv_malloc_~size) v_probe_23_~dev.base_BEFORE_CALL_8)) (not (bvsle v_probe_23_~dev.offset_BEFORE_CALL_4 .cse0)) (not (bvsle (_ bv0 32) v_probe_23_~dev.offset_BEFORE_CALL_4)) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_17|)))))) (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (and (or (= (_ bv0 1) (select |c_#valid| (_ bv0 32))) (= (_ bv0 32) |~#ldv_global_msg_list~0.base|) (= |c_~#dev~0.base| (_ bv0 32))) (= (bvadd (select |c_#valid| |~#ldv_global_msg_list~0.base|) (_ bv1 1)) (_ bv0 1)) (= (bvadd (select |c_#length| |~#ldv_global_msg_list~0.base|) (_ bv4294967288 32)) (_ bv0 32)))) (= (_ bv0 32) |c_~#dev~0.offset|)) is different from false [2019-11-20 01:13:57,142 WARN L191 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2019-11-20 01:14:11,393 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 23 [2019-11-20 01:14:18,297 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 42 [2019-11-20 01:17:29,252 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-20 01:18:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:29,256 INFO L93 Difference]: Finished difference Result 326 states and 341 transitions. [2019-11-20 01:18:29,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-20 01:18:29,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 22 [2019-11-20 01:18:29,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:29,270 INFO L225 Difference]: With dead ends: 326 [2019-11-20 01:18:29,271 INFO L226 Difference]: Without dead ends: 326 [2019-11-20 01:18:29,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 31.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=4, NotChecked=48, Total=702 [2019-11-20 01:18:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-20 01:18:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 171. [2019-11-20 01:18:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-20 01:18:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-11-20 01:18:29,284 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-11-20 01:18:29,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:29,284 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-11-20 01:18:29,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 01:18:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-11-20 01:18:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:18:29,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:29,286 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:29,489 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:29,489 INFO L410 AbstractCegarLoop]: === Iteration 6 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:29,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:29,490 INFO L82 PathProgramCache]: Analyzing trace with hash 827412574, now seen corresponding path program 1 times [2019-11-20 01:18:29,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:29,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1296229406] [2019-11-20 01:18:29,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:18:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:29,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:18:29,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:29,703 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 01:18:29,703 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:29,755 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 01:18:29,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1296229406] [2019-11-20 01:18:29,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:29,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 01:18:29,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046395248] [2019-11-20 01:18:29,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:18:29,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:29,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:18:29,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:18:29,757 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 5 states. [2019-11-20 01:18:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:29,783 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-11-20 01:18:29,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:18:29,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 01:18:29,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:29,789 INFO L225 Difference]: With dead ends: 171 [2019-11-20 01:18:29,789 INFO L226 Difference]: Without dead ends: 171 [2019-11-20 01:18:29,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 01:18:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-20 01:18:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-11-20 01:18:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-20 01:18:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 177 transitions. [2019-11-20 01:18:29,796 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 177 transitions. Word has length 24 [2019-11-20 01:18:29,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:29,796 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 177 transitions. [2019-11-20 01:18:29,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:18:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 177 transitions. [2019-11-20 01:18:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:18:29,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:29,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:30,000 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:30,007 INFO L410 AbstractCegarLoop]: === Iteration 7 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:30,008 INFO L82 PathProgramCache]: Analyzing trace with hash 321853949, now seen corresponding path program 1 times [2019-11-20 01:18:30,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:30,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2135711901] [2019-11-20 01:18:30,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:18:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:30,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:18:30,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:30,231 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 01:18:30,231 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:30,284 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 01:18:30,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2135711901] [2019-11-20 01:18:30,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:30,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 01:18:30,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646456449] [2019-11-20 01:18:30,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 01:18:30,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:30,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 01:18:30,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-20 01:18:30,286 INFO L87 Difference]: Start difference. First operand 171 states and 177 transitions. Second operand 10 states. [2019-11-20 01:18:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:30,335 INFO L93 Difference]: Finished difference Result 177 states and 182 transitions. [2019-11-20 01:18:30,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 01:18:30,336 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-20 01:18:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:30,337 INFO L225 Difference]: With dead ends: 177 [2019-11-20 01:18:30,337 INFO L226 Difference]: Without dead ends: 169 [2019-11-20 01:18:30,338 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-20 01:18:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-20 01:18:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2019-11-20 01:18:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-20 01:18:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 172 transitions. [2019-11-20 01:18:30,343 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 172 transitions. Word has length 24 [2019-11-20 01:18:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:30,343 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 172 transitions. [2019-11-20 01:18:30,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 01:18:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2019-11-20 01:18:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:18:30,344 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:30,345 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:30,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:30,548 INFO L410 AbstractCegarLoop]: === Iteration 8 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:30,549 INFO L82 PathProgramCache]: Analyzing trace with hash 449138847, now seen corresponding path program 1 times [2019-11-20 01:18:30,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:30,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [141874012] [2019-11-20 01:18:30,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:18:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:30,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 01:18:30,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:30,823 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 01:18:30,823 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:30,825 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:30,825 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:18:30,825 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 01:18:30,873 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 01:18:30,873 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:30,921 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 01:18:30,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [141874012] [2019-11-20 01:18:30,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:30,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2019-11-20 01:18:30,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930482271] [2019-11-20 01:18:30,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 01:18:30,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:30,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 01:18:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:18:30,923 INFO L87 Difference]: Start difference. First operand 167 states and 172 transitions. Second operand 7 states. [2019-11-20 01:18:31,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:31,471 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-20 01:18:31,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:18:31,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-20 01:18:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:31,473 INFO L225 Difference]: With dead ends: 164 [2019-11-20 01:18:31,473 INFO L226 Difference]: Without dead ends: 164 [2019-11-20 01:18:31,473 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:18:31,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-20 01:18:31,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-20 01:18:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-20 01:18:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 169 transitions. [2019-11-20 01:18:31,478 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 169 transitions. Word has length 36 [2019-11-20 01:18:31,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:31,478 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 169 transitions. [2019-11-20 01:18:31,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 01:18:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2019-11-20 01:18:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:18:31,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:31,480 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:31,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:31,683 INFO L410 AbstractCegarLoop]: === Iteration 9 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash 449138848, now seen corresponding path program 1 times [2019-11-20 01:18:31,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:31,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [461042043] [2019-11-20 01:18:31,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/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 01:18:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:31,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 01:18:31,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:31,959 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 01:18:31,959 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:31,964 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:31,964 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:18:31,964 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-20 01:18:32,005 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 01:18:32,005 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:32,257 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 01:18:32,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [461042043] [2019-11-20 01:18:32,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:32,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-20 01:18:32,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548095756] [2019-11-20 01:18:32,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 01:18:32,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:32,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 01:18:32,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-20 01:18:32,258 INFO L87 Difference]: Start difference. First operand 164 states and 169 transitions. Second operand 10 states. [2019-11-20 01:18:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:33,497 INFO L93 Difference]: Finished difference Result 161 states and 166 transitions. [2019-11-20 01:18:33,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:18:33,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2019-11-20 01:18:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:33,499 INFO L225 Difference]: With dead ends: 161 [2019-11-20 01:18:33,499 INFO L226 Difference]: Without dead ends: 161 [2019-11-20 01:18:33,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-20 01:18:33,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-20 01:18:33,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-11-20 01:18:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-20 01:18:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 166 transitions. [2019-11-20 01:18:33,504 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 166 transitions. Word has length 36 [2019-11-20 01:18:33,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:33,505 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 166 transitions. [2019-11-20 01:18:33,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 01:18:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2019-11-20 01:18:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:18:33,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:33,506 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:33,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:33,707 INFO L410 AbstractCegarLoop]: === Iteration 10 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:33,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1571324564, now seen corresponding path program 1 times [2019-11-20 01:18:33,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:33,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1479287807] [2019-11-20 01:18:33,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:33,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:18:33,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:33,960 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 01:18:33,960 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:34,001 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 01:18:34,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1479287807] [2019-11-20 01:18:34,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:34,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 01:18:34,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238827907] [2019-11-20 01:18:34,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:18:34,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:34,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:18:34,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:18:34,002 INFO L87 Difference]: Start difference. First operand 161 states and 166 transitions. Second operand 5 states. [2019-11-20 01:18:34,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:34,024 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-11-20 01:18:34,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:18:34,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-20 01:18:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:34,027 INFO L225 Difference]: With dead ends: 160 [2019-11-20 01:18:34,028 INFO L226 Difference]: Without dead ends: 160 [2019-11-20 01:18:34,028 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 01:18:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-20 01:18:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-20 01:18:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-20 01:18:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-11-20 01:18:34,033 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 40 [2019-11-20 01:18:34,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:34,033 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-11-20 01:18:34,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:18:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-11-20 01:18:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:18:34,035 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:34,035 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:34,237 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:34,238 INFO L410 AbstractCegarLoop]: === Iteration 11 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:34,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1466421063, now seen corresponding path program 1 times [2019-11-20 01:18:34,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:34,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [84326096] [2019-11-20 01:18:34,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:34,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:18:34,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:34,467 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 01:18:34,467 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:34,535 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 01:18:34,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [84326096] [2019-11-20 01:18:34,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:34,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-20 01:18:34,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230318471] [2019-11-20 01:18:34,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 01:18:34,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:34,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:18:34,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:18:34,537 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 6 states. [2019-11-20 01:18:34,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:34,602 INFO L93 Difference]: Finished difference Result 160 states and 164 transitions. [2019-11-20 01:18:34,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:18:34,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-11-20 01:18:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:34,604 INFO L225 Difference]: With dead ends: 160 [2019-11-20 01:18:34,604 INFO L226 Difference]: Without dead ends: 160 [2019-11-20 01:18:34,604 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:18:34,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-20 01:18:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-20 01:18:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-20 01:18:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 164 transitions. [2019-11-20 01:18:34,611 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 164 transitions. Word has length 41 [2019-11-20 01:18:34,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:34,611 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 164 transitions. [2019-11-20 01:18:34,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 01:18:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 164 transitions. [2019-11-20 01:18:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:18:34,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:34,614 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:34,814 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:34,815 INFO L410 AbstractCegarLoop]: === Iteration 12 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:34,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:34,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1759396537, now seen corresponding path program 1 times [2019-11-20 01:18:34,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:34,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1527392460] [2019-11-20 01:18:34,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:35,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:18:35,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:35,152 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 01:18:35,152 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:35,153 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:35,153 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:18:35,154 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 01:18:35,183 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 01:18:35,183 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:35,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:35,185 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 01:18:35,185 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-11-20 01:18:35,220 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:35,220 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-20 01:18:35,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:35,233 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-20 01:18:35,234 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 01:18:35,234 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-11-20 01:18:35,267 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 01:18:35,267 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:35,334 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 01:18:35,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1527392460] [2019-11-20 01:18:35,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:18:35,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2019-11-20 01:18:35,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698059525] [2019-11-20 01:18:35,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 01:18:35,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:18:35,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 01:18:35,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 01:18:35,336 INFO L87 Difference]: Start difference. First operand 160 states and 164 transitions. Second operand 9 states. [2019-11-20 01:18:43,673 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 17 [2019-11-20 01:18:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:18:52,396 INFO L93 Difference]: Finished difference Result 175 states and 181 transitions. [2019-11-20 01:18:52,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 01:18:52,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-11-20 01:18:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:18:52,397 INFO L225 Difference]: With dead ends: 175 [2019-11-20 01:18:52,397 INFO L226 Difference]: Without dead ends: 175 [2019-11-20 01:18:52,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 81 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-11-20 01:18:52,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-20 01:18:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 155. [2019-11-20 01:18:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-20 01:18:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2019-11-20 01:18:52,402 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 47 [2019-11-20 01:18:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:18:52,403 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2019-11-20 01:18:52,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 01:18:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2019-11-20 01:18:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:18:52,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:18:52,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:18:52,605 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:52,605 INFO L410 AbstractCegarLoop]: === Iteration 13 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:18:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:18:52,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1759396536, now seen corresponding path program 1 times [2019-11-20 01:18:52,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:18:52,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [550901441] [2019-11-20 01:18:52,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:18:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:18:52,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 01:18:52,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:18:52,969 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 01:18:52,969 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:52,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:52,978 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 01:18:52,978 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:52,984 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:52,984 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:18:52,984 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-20 01:18:55,028 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 01:18:55,028 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:55,033 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:55,036 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 5 treesize of output 3 [2019-11-20 01:18:55,036 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:55,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:55,038 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 01:18:55,038 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-11-20 01:18:55,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 01:18:55,047 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 01:18:55,047 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:55,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:55,066 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:55,067 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 01:18:55,067 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:18:55,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:18:55,076 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 01:18:55,076 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-20 01:18:55,152 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 01:18:55,152 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:18:55,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:18:55,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:18:55,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:18:55,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:19:00,619 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-20 01:19:00,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:19:04,928 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-11-20 01:19:04,950 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 01:19:04,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [550901441] [2019-11-20 01:19:04,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:19:04,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-20 01:19:04,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249027784] [2019-11-20 01:19:04,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 01:19:04,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:19:04,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 01:19:04,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=168, Unknown=4, NotChecked=0, Total=210 [2019-11-20 01:19:04,952 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 15 states. [2019-11-20 01:19:55,517 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 53 [2019-11-20 01:20:09,733 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_hid_open_report_~#item~0.base_BEFORE_CALL_10| (_ BitVec 32)) (|v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ BitVec 32))) (let ((.cse0 (bvadd |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ bv4 32)))) (or (exists ((v_ldv_zalloc_~size_31 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_5)) (not (bvsle (bvadd |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_5 v_ldv_zalloc_~size_31) |v_hid_open_report_~#item~0.base_BEFORE_CALL_10|))))) (bvsle .cse0 (select |c_#length| |v_hid_open_report_~#item~0.base_BEFORE_CALL_10|)) (not (bvsle (_ bv0 32) |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5|)) (not (bvsle |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| .cse0))))) (exists ((|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_zalloc_#t~malloc13.base_33|))) (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32)) (ldv_zalloc_~size (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc13.base| ldv_zalloc_~size)) (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc13.base|))))) is different from false [2019-11-20 01:21:01,502 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_hid_open_report_~#item~0.base_BEFORE_CALL_10| (_ BitVec 32)) (|v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ BitVec 32))) (let ((.cse0 (bvadd |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ bv4 32)))) (or (exists ((v_ldv_zalloc_~size_31 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_5)) (not (bvsle (bvadd |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_5 v_ldv_zalloc_~size_31) |v_hid_open_report_~#item~0.base_BEFORE_CALL_10|))))) (bvsle .cse0 (select |c_#length| |v_hid_open_report_~#item~0.base_BEFORE_CALL_10|)) (not (bvsle (_ bv0 32) |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5|)) (not (bvsle |v_hid_open_report_~#item~0.offset_BEFORE_CALL_5| .cse0))))) (exists ((|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_zalloc_#t~malloc13.base_33|))) (= |c_#valid| |c_old(#valid)|) (exists ((|ldv_zalloc_#t~malloc13.base| (_ BitVec 32)) (ldv_zalloc_~size (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc13.base| ldv_zalloc_~size)) (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc13.base|)))) (= |c_old(#length)| |c_#length|) (exists ((|v_hid_open_report_~#item~0.base_BEFORE_CALL_7| (_ BitVec 32))) (= (_ bv16 32) (select |c_#length| |v_hid_open_report_~#item~0.base_BEFORE_CALL_7|)))) is different from false [2019-11-20 01:23:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:23:24,552 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2019-11-20 01:23:24,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 01:23:24,558 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2019-11-20 01:23:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:23:24,560 INFO L225 Difference]: With dead ends: 170 [2019-11-20 01:23:24,560 INFO L226 Difference]: Without dead ends: 170 [2019-11-20 01:23:24,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=75, Invalid=265, Unknown=10, NotChecked=70, Total=420 [2019-11-20 01:23:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-20 01:23:24,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2019-11-20 01:23:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-20 01:23:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-20 01:23:24,565 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 47 [2019-11-20 01:23:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:23:24,565 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-20 01:23:24,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 01:23:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-20 01:23:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 01:23:24,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:23:24,566 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:23:24,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:24,767 INFO L410 AbstractCegarLoop]: === Iteration 14 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:23:24,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:23:24,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1977597676, now seen corresponding path program 1 times [2019-11-20 01:23:24,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:23:24,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1555602267] [2019-11-20 01:23:24,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:23:25,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 01:23:25,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:23:25,152 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 01:23:25,152 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:23:25,246 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 01:23:25,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1555602267] [2019-11-20 01:23:25,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:23:25,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2019-11-20 01:23:25,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906119748] [2019-11-20 01:23:25,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-20 01:23:25,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:23:25,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 01:23:25,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-20 01:23:25,247 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 11 states. [2019-11-20 01:23:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:23:25,634 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2019-11-20 01:23:25,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:23:25,634 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2019-11-20 01:23:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:23:25,635 INFO L225 Difference]: With dead ends: 149 [2019-11-20 01:23:25,635 INFO L226 Difference]: Without dead ends: 149 [2019-11-20 01:23:25,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-20 01:23:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-20 01:23:25,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-11-20 01:23:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-20 01:23:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2019-11-20 01:23:25,640 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 51 [2019-11-20 01:23:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:23:25,641 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2019-11-20 01:23:25,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-20 01:23:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2019-11-20 01:23:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 01:23:25,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:23:25,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:23:25,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:25,846 INFO L410 AbstractCegarLoop]: === Iteration 15 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:23:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:23:25,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1977596232, now seen corresponding path program 1 times [2019-11-20 01:23:25,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:23:25,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1299382842] [2019-11-20 01:23:25,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:23:26,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:23:26,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:23:26,075 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 01:23:26,075 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:23:26,103 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 01:23:26,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1299382842] [2019-11-20 01:23:26,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:23:26,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-20 01:23:26,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981107159] [2019-11-20 01:23:26,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:23:26,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:23:26,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:23:26,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:23:26,105 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 4 states. [2019-11-20 01:23:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:23:26,119 INFO L93 Difference]: Finished difference Result 152 states and 156 transitions. [2019-11-20 01:23:26,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 01:23:26,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-11-20 01:23:26,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:23:26,121 INFO L225 Difference]: With dead ends: 152 [2019-11-20 01:23:26,121 INFO L226 Difference]: Without dead ends: 152 [2019-11-20 01:23:26,121 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:23:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-20 01:23:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-20 01:23:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-20 01:23:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-20 01:23:26,126 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 51 [2019-11-20 01:23:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:23:26,126 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-20 01:23:26,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:23:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-20 01:23:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:23:26,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:23:26,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:23:26,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:26,332 INFO L410 AbstractCegarLoop]: === Iteration 16 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:23:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:23:26,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1612087960, now seen corresponding path program 1 times [2019-11-20 01:23:26,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:23:26,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1200921645] [2019-11-20 01:23:26,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:23:26,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:23:26,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:23:26,629 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 01:23:26,629 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:23:26,683 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 01:23:26,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1200921645] [2019-11-20 01:23:26,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:23:26,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 01:23:26,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187769961] [2019-11-20 01:23:26,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:23:26,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:23:26,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:23:26,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:23:26,685 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 8 states. [2019-11-20 01:23:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:23:26,713 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-20 01:23:26,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:23:26,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-20 01:23:26,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:23:26,714 INFO L225 Difference]: With dead ends: 143 [2019-11-20 01:23:26,714 INFO L226 Difference]: Without dead ends: 143 [2019-11-20 01:23:26,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 01:23:26,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-20 01:23:26,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-11-20 01:23:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-20 01:23:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-11-20 01:23:26,718 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-11-20 01:23:26,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:23:26,719 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-11-20 01:23:26,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:23:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-11-20 01:23:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:23:26,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:23:26,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:23:26,931 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:26,931 INFO L410 AbstractCegarLoop]: === Iteration 17 === [fetch_itemErr4REQUIRES_VIOLATION, fetch_itemErr2REQUIRES_VIOLATION, fetch_itemErr3REQUIRES_VIOLATION, fetch_itemErr6REQUIRES_VIOLATION, fetch_itemErr0REQUIRES_VIOLATION, fetch_itemErr7REQUIRES_VIOLATION, fetch_itemErr5REQUIRES_VIOLATION, fetch_itemErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, 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, free_reportsErr0REQUIRES_VIOLATION, free_reportsErr5ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr7REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr4ASSERT_VIOLATIONMEMORY_FREE, free_reportsErr8REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION, free_reportsErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, hid_register_reportErr1REQUIRES_VIOLATION, hid_register_reportErr6REQUIRES_VIOLATION, hid_register_reportErr7REQUIRES_VIOLATION, hid_register_reportErr5REQUIRES_VIOLATION, hid_register_reportErr0REQUIRES_VIOLATION, hid_register_reportErr4REQUIRES_VIOLATION, hid_register_reportErr2REQUIRES_VIOLATION, hid_register_reportErr3REQUIRES_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, hid_parser_mainErr0REQUIRES_VIOLATION, hid_parser_mainErr1REQUIRES_VIOLATION, hid_parser_mainErr2REQUIRES_VIOLATION, hid_parser_mainErr3REQUIRES_VIOLATION, disconnect_deviceErr0REQUIRES_VIOLATION, disconnect_deviceErr5ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr6ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr4ASSERT_VIOLATIONMEMORY_FREE, disconnect_deviceErr1REQUIRES_VIOLATION, disconnect_deviceErr3REQUIRES_VIOLATION, disconnect_deviceErr2REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_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, 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_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_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_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, hid_open_reportErr7ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr5REQUIRES_VIOLATION, hid_open_reportErr8ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr9ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr0REQUIRES_VIOLATION, hid_open_reportErr11REQUIRES_VIOLATION, hid_open_reportErr6ASSERT_VIOLATIONARRAY_INDEX, hid_open_reportErr10REQUIRES_VIOLATION, hid_open_reportErr1REQUIRES_VIOLATION, hid_open_reportErr13ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr3REQUIRES_VIOLATION, hid_open_reportErr2REQUIRES_VIOLATION, hid_open_reportErr4REQUIRES_VIOLATION, hid_open_reportErr12ASSERT_VIOLATIONMEMORY_FREE, hid_open_reportErr14ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, probe_23Err3ASSERT_VIOLATIONMEMORY_FREE, probe_23Err2ASSERT_VIOLATIONMEMORY_FREE, probe_23Err0REQUIRES_VIOLATION, probe_23Err4ASSERT_VIOLATIONMEMORY_FREE, probe_23Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION]=== [2019-11-20 01:23:26,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:23:26,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1325858770, now seen corresponding path program 1 times [2019-11-20 01:23:26,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:23:26,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [635662502] [2019-11-20 01:23:26,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:23:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:23:27,807 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 01:23:27,808 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:23:28,022 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:23:28,050 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 01:23:28,051 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-11-20 01:23:28,052 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 01:23:28,052 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-11-20 01:23:28,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:23:28 BoogieIcfgContainer [2019-11-20 01:23:28,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:23:28,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:23:28,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:23:28,077 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:23:28,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:42" (3/4) ... [2019-11-20 01:23:28,079 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 01:23:28,093 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 01:23:28,093 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-11-20 01:23:28,094 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-20 01:23:28,094 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# [2019-11-20 01:23:28,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0d89e09-5596-48ee-a467-33322deaf8cc/bin/uautomizer/witness.graphml [2019-11-20 01:23:28,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:23:28,145 INFO L168 Benchmark]: Toolchain (without parser) took 648119.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 939.4 MB in the beginning and 1.3 GB in the end (delta: -318.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:23:28,146 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:23:28,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:23:28,146 INFO L168 Benchmark]: Boogie Preprocessor took 162.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:23:28,147 INFO L168 Benchmark]: RCFGBuilder took 1894.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:23:28,147 INFO L168 Benchmark]: TraceAbstraction took 645078.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.7 MB). Free memory was 971.2 MB in the beginning and 1.3 GB in the end (delta: -297.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:23:28,147 INFO L168 Benchmark]: Witness Printer took 67.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:23:28,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 912.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 162.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1894.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 645078.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.7 MB). Free memory was 971.2 MB in the beginning and 1.3 GB in the end (delta: -297.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 67.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~hid_device?report_enum~*hid_report_enum?dev_rdesc~*INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 828]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823-L826] static int (*dispatch_type[])(struct hid_parser *parser, struct hid_item *item) = { hid_parser_main }; [L862] struct hid_device dev; VAL [\old(dev)=null, \old(dev)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L870] CALL entry_point() VAL [dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L864] CALL probe_23(&dev) VAL [dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L845] int ret = - -3; VAL [dev={285331713:0}, dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, ret=3] [L846] CALL, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [\old(size)=1036, dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=1036, \result={-485249287:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, malloc(size)={-485249287:0}, size=1036] [L846] RET, EXPR ldv_malloc(sizeof(struct hid_report_enum)) VAL [dev={285331713:0}, dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, ldv_malloc(sizeof(struct hid_report_enum))={-485249287:0}, ret=3] [L846] struct hid_report_enum *p = (struct hid_report_enum *)ldv_malloc(sizeof(struct hid_report_enum)); [L847] COND FALSE !(p==0) VAL [dev={285331713:0}, dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, p={-485249287:0}, ret=3] [L849] CALL LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={285331713:0}, ldv_global_msg_list={553898246:0}, list={-485249287:4}] [L541] list->next = list VAL [dev={285331713:0}, ldv_global_msg_list={553898246:0}, list={-485249287:4}, list={-485249287:4}] [L542] list->prev = list VAL [dev={285331713:0}, ldv_global_msg_list={553898246:0}, list={-485249287:4}, list={-485249287:4}] [L849] RET LDV_INIT_LIST_HEAD(&p->report_list) VAL [dev={285331713:0}, dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, p={-485249287:0}, ret=3] [L850] dev->report_enum = p VAL [dev={285331713:0}, dev={285331713:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, p={-485249287:0}, ret=3] [L851] CALL hid_open_report(dev) VAL [dev={285331713:0}, device={285331713:0}, ldv_global_msg_list={553898246:0}] [L815] struct hid_parser *parser; [L816] struct hid_item item; VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L817] CALL, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [\old(size)=8, dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L534] EXPR, FCALL calloc(size, 1) VAL [\old(size)=8, calloc(size, 1)={16896256:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, size=8] [L534] return calloc(size, 1); VAL [\old(size)=8, \result={16896256:0}, calloc(size, 1)={16896256:0}, dev={285331713:0}, ldv_global_msg_list={553898246:0}, size=8] [L817] RET, EXPR ldv_zalloc(sizeof(struct hid_parser)) VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}, ldv_zalloc(sizeof(struct hid_parser))={16896256:0}] [L817] parser = ldv_zalloc(sizeof(struct hid_parser)) [L818] COND FALSE !(!parser) VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}, parser={16896256:0}] [L821] parser->device = device VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}, parser={16896256:0}] [L822] CALL, EXPR ldv_positive() VAL [dev={285331713:0}, ldv_global_msg_list={553898246:0}] [L520] int r = __VERIFIER_nondet_int(); [L521] COND TRUE r>0 [L521] return r; VAL [\result=1, dev={285331713:0}, ldv_global_msg_list={553898246:0}, r=1] [L822] RET, EXPR ldv_positive() VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}, ldv_positive()=1, parser={16896256:0}] [L822] parser->report_id = ldv_positive() VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}, ldv_positive()=1, parser={16896256:0}] [L827] CALL, EXPR fetch_item(&item) VAL [dev={285331713:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L779] COND FALSE !(__VERIFIER_nondet_int()) [L782] item->type = 0 VAL [dev={285331713:0}, item={842346238:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L783] item->a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={285331713:0}, item={842346238:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L784] item->b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={285331713:0}, item={842346238:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L785] item->c = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, dev={285331713:0}, item={842346238:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L786] return 0; VAL [\result=0, dev={285331713:0}, item={842346238:0}, item={842346238:0}, ldv_global_msg_list={553898246:0}] [L827] RET, EXPR fetch_item(&item) VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, fetch_item(&item)=0, item={842346238:0}, ldv_global_msg_list={553898246:0}, parser={16896256:0}] [L827] COND TRUE fetch_item(&item)!=-1 [L828] EXPR item.type VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, item.type=0, ldv_global_msg_list={553898246:0}, parser={16896256:0}] [L828] dispatch_type[item.type] VAL [dev={285331713:0}, device={285331713:0}, device={285331713:0}, item={842346238:0}, item.type=0, ldv_global_msg_list={553898246:0}, parser={16896256:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 55 procedures, 488 locations, 127 error locations. Result: UNSAFE, OverallTime: 645.0s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 610.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2299 SDtfs, 1588 SDslu, 9412 SDs, 0 SdLazy, 5605 SolverSat, 378 SolverUnsat, 301 SolverUnknown, 0 SolverNotchecked, 565.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1138 GetRequests, 950 SyntacticMatches, 29 SemanticMatches, 159 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 65.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 301 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1074 ConstructedInterpolants, 68 QuantifiedInterpolants, 139422 SizeOfPredicates, 60 NumberOfNonLiveVariables, 2820 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 32 InterpolantComputations, 32 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...