./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash 0f08696eae487cefdee6788cfcf3f0c58f08e903 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const (_ BitVec 8)) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-21 21:25:46,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 21:25:46,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 21:25:46,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 21:25:46,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 21:25:46,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 21:25:46,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 21:25:46,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 21:25:46,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 21:25:46,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 21:25:46,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 21:25:46,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 21:25:46,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 21:25:46,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 21:25:46,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 21:25:46,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 21:25:46,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 21:25:46,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 21:25:46,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 21:25:46,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 21:25:46,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 21:25:46,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 21:25:46,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 21:25:46,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 21:25:46,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 21:25:46,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 21:25:46,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 21:25:46,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 21:25:46,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 21:25:46,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 21:25:46,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 21:25:46,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 21:25:46,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 21:25:46,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 21:25:46,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 21:25:46,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 21:25:46,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 21:25:46,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 21:25:46,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 21:25:46,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 21:25:46,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 21:25:46,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 21:25:46,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 21:25:46,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 21:25:46,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 21:25:46,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 21:25:46,577 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 21:25:46,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 21:25:46,579 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 21:25:46,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 21:25:46,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 21:25:46,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 21:25:46,580 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 21:25:46,581 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 21:25:46,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 21:25:46,581 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-21 21:25:46,582 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 21:25:46,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:46,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 21:25:46,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 21:25:46,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 21:25:46,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 21:25:46,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 21:25:46,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 21:25:46,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 21:25:46,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 21:25:46,585 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 21:25:46,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 21:25:46,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 21:25:46,586 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f08696eae487cefdee6788cfcf3f0c58f08e903 [2019-11-21 21:25:46,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 21:25:46,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 21:25:46,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 21:25:46,931 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 21:25:46,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 21:25:46,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-21 21:25:46,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9930806/3404c30ceb804a4a94c40d4d0c687f76/FLAGf5d72d6b9 [2019-11-21 21:25:47,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 21:25:47,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_1.i [2019-11-21 21:25:47,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9930806/3404c30ceb804a4a94c40d4d0c687f76/FLAGf5d72d6b9 [2019-11-21 21:25:47,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9930806/3404c30ceb804a4a94c40d4d0c687f76 [2019-11-21 21:25:47,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 21:25:47,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 21:25:47,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 21:25:47,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 21:25:47,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 21:25:47,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:25:47" (1/1) ... [2019-11-21 21:25:47,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfad652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:47, skipping insertion in model container [2019-11-21 21:25:47,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:25:47" (1/1) ... [2019-11-21 21:25:47,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 21:25:47,909 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 21:25:48,462 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,463 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 21:25:48,463 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,487 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,487 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 21:25:48,488 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,490 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,490 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 21:25:48,490 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,497 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,497 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 21:25:48,501 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,531 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,531 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 21:25:48,531 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,567 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,567 INFO L968 CHandler]: at location: C: (typeof(*p) *)( (char *)__mptr - ((size_t) &((typeof(*p) *)0)->list) ) [809] [2019-11-21 21:25:48,568 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,570 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,570 INFO L968 CHandler]: at location: C: (typeof(*(p)) *)( (char *)__mptr - ((size_t) &((typeof(*(p)) *)0)->list) ) [809] [2019-11-21 21:25:48,570 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,572 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,573 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [809] [2019-11-21 21:25:48,573 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,587 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:25:48,587 INFO L968 CHandler]: at location: C: (struct hid_report_enum *)ldv_malloc(sizeof(struct hid_report_enum)) [846] [2019-11-21 21:25:48,587 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:25:48,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:25:48,616 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 21:25:48,625 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 21:25:48,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:25:48,727 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 21:25:48,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:25:48,937 INFO L205 MainTranslator]: Completed translation [2019-11-21 21:25:48,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48 WrapperNode [2019-11-21 21:25:48,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 21:25:48,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 21:25:48,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 21:25:48,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 21:25:48,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:48,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:48,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:48,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:49,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:49,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:49,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... [2019-11-21 21:25:49,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 21:25:49,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 21:25:49,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 21:25:49,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 21:25:49,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:25:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 21:25:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 21:25:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 21:25:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-21 21:25:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-21 21:25:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 21:25:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 21:25:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 21:25:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 21:25:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 21:25:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 21:25:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 21:25:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 21:25:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 21:25:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 21:25:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 21:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 21:25:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 21:25:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 21:25:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 21:25:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 21:25:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 21:25:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 21:25:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 21:25:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 21:25:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 21:25:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 21:25:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-11-21 21:25:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-11-21 21:25:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-11-21 21:25:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-11-21 21:25:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-11-21 21:25:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-11-21 21:25:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-11-21 21:25:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-11-21 21:25:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 21:25:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 21:25:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 21:25:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 21:25:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 21:25:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 21:25:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 21:25:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 21:25:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 21:25:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 21:25:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 21:25:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 21:25:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 21:25:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 21:25:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 21:25:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 21:25:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 21:25:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 21:25:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 21:25:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 21:25:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 21:25:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 21:25:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 21:25:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 21:25:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 21:25:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 21:25:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 21:25:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 21:25:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 21:25:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 21:25:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 21:25:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 21:25:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 21:25:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 21:25:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 21:25:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 21:25:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 21:25:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 21:25:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 21:25:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 21:25:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 21:25:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 21:25:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 21:25:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 21:25:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 21:25:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 21:25:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 21:25:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 21:25:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 21:25:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 21:25:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 21:25:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-11-21 21:25:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 21:25:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 21:25:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 21:25:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 21:25:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 21:25:49,950 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 21:25:50,558 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 21:25:51,222 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 21:25:51,223 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-21 21:25:51,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:25:51 BoogieIcfgContainer [2019-11-21 21:25:51,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 21:25:51,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 21:25:51,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 21:25:51,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 21:25:51,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:25:47" (1/3) ... [2019-11-21 21:25:51,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c86744a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:25:51, skipping insertion in model container [2019-11-21 21:25:51,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:25:48" (2/3) ... [2019-11-21 21:25:51,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c86744a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:25:51, skipping insertion in model container [2019-11-21 21:25:51,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:25:51" (3/3) ... [2019-11-21 21:25:51,243 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test23_1.i [2019-11-21 21:25:51,256 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 21:25:51,269 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-11-21 21:25:51,284 INFO L249 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-11-21 21:25:51,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 21:25:51,311 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 21:25:51,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 21:25:51,311 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 21:25:51,311 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 21:25:51,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 21:25:51,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 21:25:51,312 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 21:25:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2019-11-21 21:25:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 21:25:51,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:25:51,378 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 21:25:51,379 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]=== [2019-11-21 21:25:51,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:25:51,386 INFO L82 PathProgramCache]: Analyzing trace with hash -771466933, now seen corresponding path program 1 times [2019-11-21 21:25:51,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:25:51,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1190060496] [2019-11-21 21:25:51,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:25:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:25:51,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 21:25:51,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:25:51,916 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 [2019-11-21 21:25:51,917 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:25:51,927 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:25:51,928 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:25:51,928 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 21:25:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:51,994 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:25:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:52,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1190060496] [2019-11-21 21:25:52,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:25:52,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 21:25:52,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182149431] [2019-11-21 21:25:52,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 21:25:52,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:25:52,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 21:25:52,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-21 21:25:52,139 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 7 states. [2019-11-21 21:25:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:25:53,076 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2019-11-21 21:25:53,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-21 21:25:53,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-21 21:25:53,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:25:53,093 INFO L225 Difference]: With dead ends: 189 [2019-11-21 21:25:53,093 INFO L226 Difference]: Without dead ends: 186 [2019-11-21 21:25:53,096 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 [2019-11-21 21:25:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-21 21:25:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2019-11-21 21:25:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-21 21:25:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 188 transitions. [2019-11-21 21:25:53,157 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 188 transitions. Word has length 18 [2019-11-21 21:25:53,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:25:53,158 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 188 transitions. [2019-11-21 21:25:53,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 21:25:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 188 transitions. [2019-11-21 21:25:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 21:25:53,159 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:25:53,160 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 21:25:53,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:25:53,366 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]=== [2019-11-21 21:25:53,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:25:53,366 INFO L82 PathProgramCache]: Analyzing trace with hash -771466932, now seen corresponding path program 1 times [2019-11-21 21:25:53,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:25:53,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1192290031] [2019-11-21 21:25:53,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:25:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:25:53,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-21 21:25:53,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:25:53,708 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 [2019-11-21 21:25:53,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:25:53,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:25:53,719 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:25:53,719 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-21 21:25:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:53,804 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:25:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:54,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1192290031] [2019-11-21 21:25:54,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:25:54,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-21 21:25:54,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095693073] [2019-11-21 21:25:54,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-21 21:25:54,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:25:54,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-21 21:25:54,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-21 21:25:54,367 INFO L87 Difference]: Start difference. First operand 178 states and 188 transitions. Second operand 14 states. [2019-11-21 21:25:56,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:25:56,176 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2019-11-21 21:25:56,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 21:25:56,178 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-21 21:25:56,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:25:56,180 INFO L225 Difference]: With dead ends: 184 [2019-11-21 21:25:56,181 INFO L226 Difference]: Without dead ends: 184 [2019-11-21 21:25:56,182 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-11-21 21:25:56,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-21 21:25:56,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2019-11-21 21:25:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-21 21:25:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 186 transitions. [2019-11-21 21:25:56,194 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 186 transitions. Word has length 18 [2019-11-21 21:25:56,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:25:56,194 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 186 transitions. [2019-11-21 21:25:56,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-21 21:25:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 186 transitions. [2019-11-21 21:25:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 21:25:56,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:25:56,195 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 21:25:56,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:25:56,400 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]=== [2019-11-21 21:25:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:25:56,401 INFO L82 PathProgramCache]: Analyzing trace with hash 971343402, now seen corresponding path program 1 times [2019-11-21 21:25:56,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:25:56,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1882933642] [2019-11-21 21:25:56,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:25:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:25:56,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 21:25:56,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:25:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:56,742 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:25:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:56,781 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1882933642] [2019-11-21 21:25:56,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:25:56,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 21:25:56,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96606157] [2019-11-21 21:25:56,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 21:25:56,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:25:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 21:25:56,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 21:25:56,783 INFO L87 Difference]: Start difference. First operand 178 states and 186 transitions. Second operand 5 states. [2019-11-21 21:25:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:25:56,815 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-11-21 21:25:56,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 21:25:56,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-21 21:25:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:25:56,818 INFO L225 Difference]: With dead ends: 171 [2019-11-21 21:25:56,818 INFO L226 Difference]: Without dead ends: 171 [2019-11-21 21:25:56,819 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 [2019-11-21 21:25:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-21 21:25:56,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-11-21 21:25:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-21 21:25:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-11-21 21:25:56,838 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-11-21 21:25:56,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:25:56,838 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-11-21 21:25:56,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 21:25:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-11-21 21:25:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 21:25:56,840 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:25:56,840 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] [2019-11-21 21:25:57,040 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:25:57,042 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]=== [2019-11-21 21:25:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:25:57,042 INFO L82 PathProgramCache]: Analyzing trace with hash 443887173, now seen corresponding path program 1 times [2019-11-21 21:25:57,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:25:57,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1760034467] [2019-11-21 21:25:57,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:25:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:25:57,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-21 21:25:57,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:25:57,444 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 21:25:57,444 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 [2019-11-21 21:25:57,445 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:25:57,481 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-21 21:25:57,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:25:57,485 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. [2019-11-21 21:25:57,486 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-21 21:25:57,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:25:57,582 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:25:57,582 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 [2019-11-21 21:25:57,583 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:25:57,604 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-21 21:25:57,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:25:57,605 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-11-21 21:25:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:57,769 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:25:57,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:25:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:25:58,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1760034467] [2019-11-21 21:25:58,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:25:58,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 16 [2019-11-21 21:25:58,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859878132] [2019-11-21 21:25:58,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 21:25:58,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:25:58,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 21:25:58,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2019-11-21 21:25:58,083 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 17 states. [2019-11-21 21:26:08,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:26:08,610 INFO L93 Difference]: Finished difference Result 263 states and 277 transitions. [2019-11-21 21:26:08,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-21 21:26:08,610 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 22 [2019-11-21 21:26:08,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:26:08,613 INFO L225 Difference]: With dead ends: 263 [2019-11-21 21:26:08,613 INFO L226 Difference]: Without dead ends: 260 [2019-11-21 21:26:08,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2019-11-21 21:26:08,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-21 21:26:08,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 172. [2019-11-21 21:26:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-21 21:26:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-11-21 21:26:08,630 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-11-21 21:26:08,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:26:08,631 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-11-21 21:26:08,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 21:26:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-11-21 21:26:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 21:26:08,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:26:08,633 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] [2019-11-21 21:26:08,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:26:08,837 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]=== [2019-11-21 21:26:08,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:26:08,838 INFO L82 PathProgramCache]: Analyzing trace with hash 443887174, now seen corresponding path program 1 times [2019-11-21 21:26:08,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:26:08,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2020217002] [2019-11-21 21:26:08,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:26:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:26:09,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-21 21:26:09,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:26:09,226 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-21 21:26:09,227 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 [2019-11-21 21:26:09,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:09,240 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:26:09,293 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 21:26:09,294 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 [2019-11-21 21:26:09,294 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:09,338 INFO L567 ElimStorePlain]: treesize reduction 10, result has 78.3 percent of original size [2019-11-21 21:26:09,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,341 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. [2019-11-21 21:26:09,341 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:36 [2019-11-21 21:26:09,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:09,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:11,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:11,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 21:26:11,702 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 [2019-11-21 21:26:11,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:11,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 21:26:11,754 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:26:11,755 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 [2019-11-21 21:26:11,756 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:11,851 INFO L567 ElimStorePlain]: treesize reduction 14, result has 82.3 percent of original size [2019-11-21 21:26:11,922 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:26:11,923 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 31 treesize of output 49 [2019-11-21 21:26:11,924 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:11,937 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:26:11,938 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 33 treesize of output 37 [2019-11-21 21:26:11,939 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-21 21:26:11,978 INFO L567 ElimStorePlain]: treesize reduction 28, result has 41.7 percent of original size [2019-11-21 21:26:11,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:26:11,979 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:71, output treesize:11 [2019-11-21 21:26:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:26:12,068 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:26:12,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:14,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:14,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:14,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:14,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:14,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:26:14,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:14,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:14,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:17,465 WARN L192 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 21:26:17,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:26:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:26:20,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2020217002] [2019-11-21 21:26:20,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:26:20,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-21 21:26:20,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314932405] [2019-11-21 21:26:20,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-21 21:26:20,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:26:20,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-21 21:26:20,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=168, Unknown=4, NotChecked=0, Total=210 [2019-11-21 21:26:20,083 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 15 states. [2019-11-21 21:26:32,709 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-11-21 21:26:37,072 WARN L192 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2019-11-21 21:26:43,495 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-11-21 21:27:16,645 WARN L192 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2019-11-21 21:27:33,608 WARN L192 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-11-21 21:30:12,745 WARN L192 SmtUtils]: Spent 7.86 s on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-21 21:32:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:09,526 INFO L93 Difference]: Finished difference Result 251 states and 264 transitions. [2019-11-21 21:32:09,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-21 21:32:09,527 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 22 [2019-11-21 21:32:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:09,529 INFO L225 Difference]: With dead ends: 251 [2019-11-21 21:32:09,530 INFO L226 Difference]: Without dead ends: 251 [2019-11-21 21:32:09,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 27 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 40.7s TimeCoverageRelationStatistics Valid=150, Invalid=493, Unknown=7, NotChecked=0, Total=650 [2019-11-21 21:32:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-21 21:32:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 171. [2019-11-21 21:32:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-21 21:32:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-11-21 21:32:09,541 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-11-21 21:32:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:09,542 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-11-21 21:32:09,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-21 21:32:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-11-21 21:32:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 21:32:09,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:09,543 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] [2019-11-21 21:32:09,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:09,749 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]=== [2019-11-21 21:32:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:09,749 INFO L82 PathProgramCache]: Analyzing trace with hash 449450334, now seen corresponding path program 1 times [2019-11-21 21:32:09,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:09,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1396899647] [2019-11-21 21:32:09,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:10,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 21:32:10,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:10,050 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:10,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1396899647] [2019-11-21 21:32:10,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:10,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 21:32:10,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595054735] [2019-11-21 21:32:10,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 21:32:10,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:10,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 21:32:10,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 21:32:10,128 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 5 states. [2019-11-21 21:32:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:10,159 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-11-21 21:32:10,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 21:32:10,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-21 21:32:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:10,161 INFO L225 Difference]: With dead ends: 171 [2019-11-21 21:32:10,161 INFO L226 Difference]: Without dead ends: 171 [2019-11-21 21:32:10,162 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 [2019-11-21 21:32:10,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-21 21:32:10,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-11-21 21:32:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-21 21:32:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 177 transitions. [2019-11-21 21:32:10,169 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 177 transitions. Word has length 24 [2019-11-21 21:32:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:10,169 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 177 transitions. [2019-11-21 21:32:10,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 21:32:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 177 transitions. [2019-11-21 21:32:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 21:32:10,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:10,170 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] [2019-11-21 21:32:10,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:10,385 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]=== [2019-11-21 21:32:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:10,386 INFO L82 PathProgramCache]: Analyzing trace with hash -56108291, now seen corresponding path program 1 times [2019-11-21 21:32:10,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:10,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1829470690] [2019-11-21 21:32:10,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:10,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 21:32:10,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:10,697 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:10,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1829470690] [2019-11-21 21:32:10,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:10,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-21 21:32:10,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908682313] [2019-11-21 21:32:10,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 21:32:10,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:10,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 21:32:10,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:32:10,788 INFO L87 Difference]: Start difference. First operand 171 states and 177 transitions. Second operand 10 states. [2019-11-21 21:32:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:10,882 INFO L93 Difference]: Finished difference Result 177 states and 182 transitions. [2019-11-21 21:32:10,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 21:32:10,883 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-21 21:32:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:10,884 INFO L225 Difference]: With dead ends: 177 [2019-11-21 21:32:10,884 INFO L226 Difference]: Without dead ends: 169 [2019-11-21 21:32:10,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-21 21:32:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-21 21:32:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2019-11-21 21:32:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-21 21:32:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 172 transitions. [2019-11-21 21:32:10,893 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 172 transitions. Word has length 24 [2019-11-21 21:32:10,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:10,893 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 172 transitions. [2019-11-21 21:32:10,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 21:32:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2019-11-21 21:32:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-21 21:32:10,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:10,895 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] [2019-11-21 21:32:11,106 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:11,106 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]=== [2019-11-21 21:32:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:11,107 INFO L82 PathProgramCache]: Analyzing trace with hash 690967071, now seen corresponding path program 1 times [2019-11-21 21:32:11,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:11,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1664274290] [2019-11-21 21:32:11,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:11,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 21:32:11,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:11,494 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 [2019-11-21 21:32:11,495 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:11,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:11,497 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:11,497 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 21:32:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:11,568 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:11,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1664274290] [2019-11-21 21:32:11,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:11,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2019-11-21 21:32:11,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849265184] [2019-11-21 21:32:11,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 21:32:11,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 21:32:11,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-21 21:32:11,643 INFO L87 Difference]: Start difference. First operand 167 states and 172 transitions. Second operand 7 states. [2019-11-21 21:32:12,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:12,306 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-21 21:32:12,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 21:32:12,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-21 21:32:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:12,309 INFO L225 Difference]: With dead ends: 164 [2019-11-21 21:32:12,309 INFO L226 Difference]: Without dead ends: 164 [2019-11-21 21:32:12,309 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-21 21:32:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-21 21:32:12,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-21 21:32:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-21 21:32:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 169 transitions. [2019-11-21 21:32:12,316 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 169 transitions. Word has length 36 [2019-11-21 21:32:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:12,316 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 169 transitions. [2019-11-21 21:32:12,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 21:32:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2019-11-21 21:32:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-21 21:32:12,318 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:12,318 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] [2019-11-21 21:32:12,522 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:12,523 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]=== [2019-11-21 21:32:12,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:12,524 INFO L82 PathProgramCache]: Analyzing trace with hash 690967072, now seen corresponding path program 1 times [2019-11-21 21:32:12,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:12,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [40397779] [2019-11-21 21:32:12,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:12,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 21:32:12,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:12,895 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 [2019-11-21 21:32:12,895 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:12,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:12,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:12,900 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-21 21:32:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:12,951 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:13,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [40397779] [2019-11-21 21:32:13,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:13,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-21 21:32:13,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475372070] [2019-11-21 21:32:13,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 21:32:13,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:13,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 21:32:13,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:32:13,286 INFO L87 Difference]: Start difference. First operand 164 states and 169 transitions. Second operand 10 states. [2019-11-21 21:32:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:14,812 INFO L93 Difference]: Finished difference Result 161 states and 166 transitions. [2019-11-21 21:32:14,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 21:32:14,813 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2019-11-21 21:32:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:14,815 INFO L225 Difference]: With dead ends: 161 [2019-11-21 21:32:14,815 INFO L226 Difference]: Without dead ends: 161 [2019-11-21 21:32:14,815 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-21 21:32:14,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-21 21:32:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-11-21 21:32:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-21 21:32:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 166 transitions. [2019-11-21 21:32:14,820 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 166 transitions. Word has length 36 [2019-11-21 21:32:14,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:14,821 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 166 transitions. [2019-11-21 21:32:14,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 21:32:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2019-11-21 21:32:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-21 21:32:14,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:14,822 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] [2019-11-21 21:32:15,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:15,028 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]=== [2019-11-21 21:32:15,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2131815316, now seen corresponding path program 1 times [2019-11-21 21:32:15,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:15,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [888871231] [2019-11-21 21:32:15,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:15,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 21:32:15,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:15,345 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:15,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [888871231] [2019-11-21 21:32:15,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:15,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 21:32:15,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457146431] [2019-11-21 21:32:15,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 21:32:15,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:15,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 21:32:15,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 21:32:15,401 INFO L87 Difference]: Start difference. First operand 161 states and 166 transitions. Second operand 5 states. [2019-11-21 21:32:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:15,427 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-11-21 21:32:15,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 21:32:15,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-21 21:32:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:15,429 INFO L225 Difference]: With dead ends: 160 [2019-11-21 21:32:15,429 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 21:32:15,430 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 [2019-11-21 21:32:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 21:32:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-21 21:32:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-21 21:32:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-11-21 21:32:15,435 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 40 [2019-11-21 21:32:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:15,436 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-11-21 21:32:15,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 21:32:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-11-21 21:32:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-21 21:32:15,437 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:15,438 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] [2019-11-21 21:32:15,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:15,643 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]=== [2019-11-21 21:32:15,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:15,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1661765169, now seen corresponding path program 1 times [2019-11-21 21:32:15,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:15,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1394847314] [2019-11-21 21:32:15,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:15,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 21:32:15,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:15,966 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:16,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1394847314] [2019-11-21 21:32:16,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:16,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 21:32:16,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622903718] [2019-11-21 21:32:16,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 21:32:16,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:16,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 21:32:16,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 21:32:16,040 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 6 states. [2019-11-21 21:32:16,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:16,119 INFO L93 Difference]: Finished difference Result 160 states and 164 transitions. [2019-11-21 21:32:16,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 21:32:16,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-11-21 21:32:16,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:16,121 INFO L225 Difference]: With dead ends: 160 [2019-11-21 21:32:16,121 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 21:32:16,121 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 [2019-11-21 21:32:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 21:32:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-21 21:32:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-21 21:32:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 164 transitions. [2019-11-21 21:32:16,126 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 164 transitions. Word has length 41 [2019-11-21 21:32:16,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:16,126 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 164 transitions. [2019-11-21 21:32:16,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 21:32:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 164 transitions. [2019-11-21 21:32:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-21 21:32:16,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:16,128 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] [2019-11-21 21:32:16,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:16,331 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]=== [2019-11-21 21:32:16,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:16,331 INFO L82 PathProgramCache]: Analyzing trace with hash -189376995, now seen corresponding path program 1 times [2019-11-21 21:32:16,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:16,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2027872682] [2019-11-21 21:32:16,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:16,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 21:32:16,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:16,787 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 [2019-11-21 21:32:16,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:16,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:16,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:16,790 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 21:32:16,833 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 [2019-11-21 21:32:16,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:16,835 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:16,836 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. [2019-11-21 21:32:16,836 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-11-21 21:32:16,875 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:16,876 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 [2019-11-21 21:32:16,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:16,896 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-21 21:32:16,897 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. [2019-11-21 21:32:16,897 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-11-21 21:32:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:16,969 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:17,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2027872682] [2019-11-21 21:32:17,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:17,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2019-11-21 21:32:17,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15017611] [2019-11-21 21:32:17,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 21:32:17,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:17,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 21:32:17,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 21:32:17,049 INFO L87 Difference]: Start difference. First operand 160 states and 164 transitions. Second operand 9 states. [2019-11-21 21:32:27,509 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 17 [2019-11-21 21:32:37,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:32:37,761 INFO L93 Difference]: Finished difference Result 175 states and 181 transitions. [2019-11-21 21:32:37,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 21:32:37,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-11-21 21:32:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:32:37,764 INFO L225 Difference]: With dead ends: 175 [2019-11-21 21:32:37,764 INFO L226 Difference]: Without dead ends: 175 [2019-11-21 21:32:37,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 80 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-11-21 21:32:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-21 21:32:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 155. [2019-11-21 21:32:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-21 21:32:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2019-11-21 21:32:37,770 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 47 [2019-11-21 21:32:37,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:32:37,771 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2019-11-21 21:32:37,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 21:32:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2019-11-21 21:32:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-21 21:32:37,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:32:37,773 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] [2019-11-21 21:32:37,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:32:37,979 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]=== [2019-11-21 21:32:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:32:37,980 INFO L82 PathProgramCache]: Analyzing trace with hash -189376994, now seen corresponding path program 1 times [2019-11-21 21:32:37,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:32:37,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [724356275] [2019-11-21 21:32:37,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:32:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:32:38,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 21:32:38,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:32:38,465 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 [2019-11-21 21:32:38,466 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:38,474 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:38,479 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 [2019-11-21 21:32:38,479 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:38,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:38,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:38,487 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 21:32:40,534 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 [2019-11-21 21:32:40,535 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:40,544 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 [2019-11-21 21:32:40,545 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:40,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,548 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-11-21 21:32:40,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 21:32:40,558 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 [2019-11-21 21:32:40,558 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,573 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:40,583 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:40,584 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 [2019-11-21 21:32:40,585 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,597 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:32:40,598 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:32:40,598 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 21:32:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:40,722 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:32:40,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:32:43,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 21:32:43,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:43,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:44,758 WARN L192 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 21:32:44,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:32:45,287 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-11-21 21:32:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:32:45,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [724356275] [2019-11-21 21:32:45,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:32:45,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-21 21:32:45,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722141758] [2019-11-21 21:32:45,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-21 21:32:45,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:32:45,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-21 21:32:45,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2019-11-21 21:32:45,306 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 15 states. [2019-11-21 21:34:07,727 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 21 [2019-11-21 21:35:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:35:39,413 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2019-11-21 21:35:39,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 21:35:39,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2019-11-21 21:35:39,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:35:39,415 INFO L225 Difference]: With dead ends: 170 [2019-11-21 21:35:39,415 INFO L226 Difference]: Without dead ends: 170 [2019-11-21 21:35:39,415 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=80, Invalid=298, Unknown=2, NotChecked=0, Total=380 [2019-11-21 21:35:39,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-21 21:35:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2019-11-21 21:35:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-21 21:35:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-21 21:35:39,421 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 47 [2019-11-21 21:35:39,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:35:39,422 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-21 21:35:39,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-21 21:35:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-21 21:35:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-21 21:35:39,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:35:39,424 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] [2019-11-21 21:35:39,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:35:39,629 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]=== [2019-11-21 21:35:39,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:35:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1736103018, now seen corresponding path program 1 times [2019-11-21 21:35:39,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:35:39,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [630494072] [2019-11-21 21:35:39,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:35:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:35:40,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 21:35:40,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:35:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:40,148 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:35:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:40,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [630494072] [2019-11-21 21:35:40,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:35:40,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2019-11-21 21:35:40,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178192455] [2019-11-21 21:35:40,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-21 21:35:40,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:35:40,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-21 21:35:40,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-21 21:35:40,257 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 11 states. [2019-11-21 21:35:40,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:35:40,771 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2019-11-21 21:35:40,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 21:35:40,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2019-11-21 21:35:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:35:40,774 INFO L225 Difference]: With dead ends: 149 [2019-11-21 21:35:40,774 INFO L226 Difference]: Without dead ends: 149 [2019-11-21 21:35:40,774 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 [2019-11-21 21:35:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-21 21:35:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-11-21 21:35:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-21 21:35:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2019-11-21 21:35:40,779 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 51 [2019-11-21 21:35:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:35:40,779 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2019-11-21 21:35:40,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-21 21:35:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2019-11-21 21:35:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-21 21:35:40,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:35:40,781 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] [2019-11-21 21:35:40,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:35:40,986 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]=== [2019-11-21 21:35:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:35:40,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1736104462, now seen corresponding path program 1 times [2019-11-21 21:35:40,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:35:40,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1921767243] [2019-11-21 21:35:40,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:35:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:35:41,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-21 21:35:41,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:35:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:41,306 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:35:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:41,338 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1921767243] [2019-11-21 21:35:41,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:35:41,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 21:35:41,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529964356] [2019-11-21 21:35:41,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-21 21:35:41,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:35:41,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-21 21:35:41,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-21 21:35:41,340 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 4 states. [2019-11-21 21:35:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:35:41,350 INFO L93 Difference]: Finished difference Result 152 states and 156 transitions. [2019-11-21 21:35:41,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-21 21:35:41,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-11-21 21:35:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:35:41,353 INFO L225 Difference]: With dead ends: 152 [2019-11-21 21:35:41,353 INFO L226 Difference]: Without dead ends: 152 [2019-11-21 21:35:41,353 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 [2019-11-21 21:35:41,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-21 21:35:41,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-21 21:35:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-21 21:35:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-21 21:35:41,358 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 51 [2019-11-21 21:35:41,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:35:41,359 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-21 21:35:41,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-21 21:35:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-21 21:35:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-21 21:35:41,364 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:35:41,364 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] [2019-11-21 21:35:41,566 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:35:41,567 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]=== [2019-11-21 21:35:41,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:35:41,569 INFO L82 PathProgramCache]: Analyzing trace with hash -833835736, now seen corresponding path program 1 times [2019-11-21 21:35:41,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:35:41,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1163115258] [2019-11-21 21:35:41,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:35:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:35:41,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-21 21:35:41,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:35:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:41,983 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:35:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:35:42,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1163115258] [2019-11-21 21:35:42,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:35:42,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-21 21:35:42,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281423452] [2019-11-21 21:35:42,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-21 21:35:42,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:35:42,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-21 21:35:42,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-21 21:35:42,045 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 8 states. [2019-11-21 21:35:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:35:42,079 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-21 21:35:42,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 21:35:42,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-21 21:35:42,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:35:42,083 INFO L225 Difference]: With dead ends: 143 [2019-11-21 21:35:42,083 INFO L226 Difference]: Without dead ends: 143 [2019-11-21 21:35:42,083 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 [2019-11-21 21:35:42,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-21 21:35:42,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-11-21 21:35:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-21 21:35:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-11-21 21:35:42,089 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-11-21 21:35:42,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:35:42,089 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-11-21 21:35:42,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-21 21:35:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-11-21 21:35:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-21 21:35:42,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:35:42,091 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] [2019-11-21 21:35:42,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:35:42,296 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]=== [2019-11-21 21:35:42,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:35:42,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2104110994, now seen corresponding path program 1 times [2019-11-21 21:35:42,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:35:42,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [656684385] [2019-11-21 21:35:42,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-21 21:35:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:35:43,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 21:35:43,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:35:43,901 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2019-11-21 21:35:43,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:35:43,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:35:43,904 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:35:43,904 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-21 21:35:43,969 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2019-11-21 21:35:43,970 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:35:43,977 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:35:43,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:35:43,978 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2019-11-21 21:35:46,009 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_hid_open_report_~parser~0.base_BEFORE_CALL_5 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_5))) (= .cse0 (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) (_ bv0 32) (select .cse0 (_ bv0 32)))))) is different from true [2019-11-21 21:35:48,061 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-21 21:35:48,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:35:48,332 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const (_ BitVec 8)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.normalforms.UnfTransformer.convertApplicationTerm(UnfTransformer.java:85) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:201) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:576) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 21:35:48,342 INFO L168 Benchmark]: Toolchain (without parser) took 600504.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.7 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -266.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 21:35:48,342 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 21:35:48,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1099.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-21 21:35:48,343 INFO L168 Benchmark]: Boogie Preprocessor took 113.12 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-21 21:35:48,343 INFO L168 Benchmark]: RCFGBuilder took 2172.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.7 MB in the end (delta: 146.6 MB). Peak memory consumption was 146.6 MB. Max. memory is 11.5 GB. [2019-11-21 21:35:48,344 INFO L168 Benchmark]: TraceAbstraction took 597110.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -283.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 21:35:48,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1099.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.12 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2172.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.7 MB in the end (delta: 146.6 MB). Peak memory consumption was 146.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 597110.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -283.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const (_ BitVec 8)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const (_ BitVec 8)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...