./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 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_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 7c7ae96795841e1535badabddaf492807e0716e9 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-264dba8 [2019-11-21 12:28:07,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 12:28:07,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 12:28:07,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 12:28:07,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 12:28:07,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 12:28:07,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 12:28:07,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 12:28:07,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 12:28:07,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 12:28:07,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 12:28:07,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 12:28:07,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 12:28:07,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 12:28:07,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 12:28:07,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 12:28:07,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 12:28:07,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 12:28:07,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 12:28:07,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 12:28:07,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 12:28:07,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 12:28:07,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 12:28:07,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 12:28:07,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 12:28:07,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 12:28:07,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 12:28:07,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 12:28:07,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 12:28:07,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 12:28:07,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 12:28:07,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 12:28:07,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 12:28:07,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 12:28:07,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 12:28:07,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 12:28:07,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 12:28:07,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 12:28:07,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 12:28:07,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 12:28:07,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 12:28:07,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 12:28:07,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 12:28:07,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 12:28:07,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 12:28:07,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 12:28:07,107 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 12:28:07,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 12:28:07,108 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 12:28:07,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 12:28:07,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 12:28:07,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 12:28:07,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 12:28:07,109 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 12:28:07,109 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 12:28:07,109 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 12:28:07,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 12:28:07,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 12:28:07,110 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:07,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 12:28:07,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 12:28:07,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 12:28:07,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 12:28:07,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 12:28:07,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 12:28:07,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:28:07,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 12:28:07,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 12:28:07,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 12:28:07,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 12:28:07,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 12:28:07,115 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c7ae96795841e1535badabddaf492807e0716e9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 12:28:07,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 12:28:07,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 12:28:07,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 12:28:07,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 12:28:07,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 12:28:07,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2019-11-21 12:28:07,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff07cc212/6a649d6fe49b43bf9a93661966e56824/FLAGc6dbc58a6 [2019-11-21 12:28:08,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 12:28:08,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2019-11-21 12:28:08,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff07cc212/6a649d6fe49b43bf9a93661966e56824/FLAGc6dbc58a6 [2019-11-21 12:28:08,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff07cc212/6a649d6fe49b43bf9a93661966e56824 [2019-11-21 12:28:08,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 12:28:08,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 12:28:08,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 12:28:08,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 12:28:08,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 12:28:08,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:08" (1/1) ... [2019-11-21 12:28:08,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2ab40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:08, skipping insertion in model container [2019-11-21 12:28:08,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:08" (1/1) ... [2019-11-21 12:28:08,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 12:28:08,412 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:28:08,931 INFO L966 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 12:28:08,931 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 12:28:08,931 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:08,957 INFO L966 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 12:28:08,958 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 12:28:08,958 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:08,962 INFO L966 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 12:28:08,962 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 12:28:08,963 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:08,966 INFO L966 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 12:28:08,967 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 12:28:08,967 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:08,996 INFO L966 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 12:28:08,997 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 12:28:08,997 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:09,019 INFO L966 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 12:28:09,020 INFO L969 CHandler]: at location: C: (typeof(*p) *)( (char *)__mptr - ((size_t) &((typeof(*p) *)0)->list) ) [807] [2019-11-21 12:28:09,020 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:09,022 INFO L966 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 12:28:09,022 INFO L969 CHandler]: at location: C: (typeof(*(p)) *)( (char *)__mptr - ((size_t) &((typeof(*(p)) *)0)->list) ) [807] [2019-11-21 12:28:09,023 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:09,024 INFO L966 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 12:28:09,025 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [807] [2019-11-21 12:28:09,025 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:09,035 INFO L966 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 12:28:09,036 INFO L969 CHandler]: at location: C: (struct hid_report_enum *)ldv_malloc(sizeof(struct hid_report_enum)) [844] [2019-11-21 12:28:09,036 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:28:09,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:28:09,064 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 12:28:09,075 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:28:09,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:28:09,185 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 12:28:09,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:28:09,374 INFO L205 MainTranslator]: Completed translation [2019-11-21 12:28:09,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09 WrapperNode [2019-11-21 12:28:09,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 12:28:09,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 12:28:09,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 12:28:09,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 12:28:09,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (1/1) ... [2019-11-21 12:28:09,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 12:28:09,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 12:28:09,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 12:28:09,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 12:28:09,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (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 12:28:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 12:28:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 12:28:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:28:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-21 12:28:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 12:28:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 12:28:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 12:28:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 12:28:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 12:28:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 12:28:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 12:28:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 12:28:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 12:28:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:28:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 12:28:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 12:28:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 12:28:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 12:28:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 12:28:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 12:28:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 12:28:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 12:28:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 12:28:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 12:28:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 12:28:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 12:28:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 12:28:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 12:28:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 12:28:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 12:28:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 12:28:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 12:28:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 12:28:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 12:28:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 12:28:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 12:28:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 12:28:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 12:28:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 12:28:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 12:28:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 12:28:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 12:28:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fetch_item [2019-11-21 12:28:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_register_report [2019-11-21 12:28:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parser_main [2019-11-21 12:28:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2019-11-21 12:28:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2019-11-21 12:28:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_device [2019-11-21 12:28:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_23 [2019-11-21 12:28:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_23 [2019-11-21 12:28:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 12:28:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 12:28:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 12:28:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 12:28:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 12:28:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 12:28:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 12:28:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 12:28:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 12:28:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 12:28:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 12:28:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 12:28:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 12:28:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 12:28:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 12:28:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 12:28:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 12:28:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 12:28:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 12:28:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 12:28:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 12:28:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 12:28:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 12:28:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 12:28:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 12:28:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 12:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 12:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 12:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 12:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 12:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 12:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 12:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 12:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 12:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 12:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 12:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 12:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 12:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 12:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 12:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 12:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 12:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 12:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 12:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 12:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 12:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 12:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 12:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 12:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 12:28:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 12:28:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 12:28:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 12:28:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 12:28:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 12:28:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 12:28:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 12:28:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 12:28:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 12:28:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 12:28:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 12:28:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 12:28:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 12:28:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 12:28:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 12:28:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 12:28:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 12:28:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 12:28:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 12:28:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 12:28:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 12:28:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 12:28:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 12:28:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 12:28:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 12:28:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 12:28:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 12:28:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 12:28:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 12:28:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 12:28:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 12:28:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 12:28:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 12:28:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 12:28:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 12:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 12:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 12:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 12:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 12:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 12:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 12:28:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 12:28:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 12:28:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 12:28:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 12:28:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 12:28:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 12:28:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 12:28:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 12:28:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 12:28:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 12:28:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 12:28:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 12:28:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 12:28:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 12:28:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 12:28:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 12:28:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 12:28:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 12:28:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 12:28:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 12:28:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 12:28:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 12:28:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:28:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 12:28:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 12:28:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 12:28:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 12:28:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 12:28:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 12:28:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 12:28:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 12:28:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 12:28:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 12:28:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 12:28:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 12:28:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 12:28:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 12:28:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 12:28:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 12:28:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:28:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 12:28:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 12:28:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 12:28:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 12:28:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 12:28:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 12:28:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure fetch_item [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure hid_register_report [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parser_main [2019-11-21 12:28:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2019-11-21 12:28:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2019-11-21 12:28:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 12:28:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2019-11-21 12:28:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_device [2019-11-21 12:28:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure probe_23 [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_23 [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 12:28:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 12:28:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 12:28:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 12:28:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 12:28:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 12:28:10,324 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:28:10,894 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:28:11,559 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 12:28:11,559 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-21 12:28:11,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:11 BoogieIcfgContainer [2019-11-21 12:28:11,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 12:28:11,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 12:28:11,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 12:28:11,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 12:28:11,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:28:08" (1/3) ... [2019-11-21 12:28:11,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc7f02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:11, skipping insertion in model container [2019-11-21 12:28:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:09" (2/3) ... [2019-11-21 12:28:11,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc7f02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:11, skipping insertion in model container [2019-11-21 12:28:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:11" (3/3) ... [2019-11-21 12:28:11,569 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test23_2.i [2019-11-21 12:28:11,580 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 12:28:11,589 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 127 error locations. [2019-11-21 12:28:11,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2019-11-21 12:28:11,626 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 12:28:11,626 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 12:28:11,626 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 12:28:11,626 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 12:28:11,626 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 12:28:11,627 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 12:28:11,627 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 12:28:11,627 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 12:28:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2019-11-21 12:28:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 12:28:11,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:28:11,671 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 12:28:11,672 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 12:28:11,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:28:11,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2015937299, now seen corresponding path program 1 times [2019-11-21 12:28:11,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:28:11,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [307959430] [2019-11-21 12:28:11,692 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 12:28:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:28:12,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 12:28:12,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:28:12,165 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 12:28:12,170 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:12,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:12,179 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:28:12,179 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:28:12,234 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 12:28:12,234 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:28:12,292 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 12:28:12,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [307959430] [2019-11-21 12:28:12,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:28:12,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 12:28:12,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029122193] [2019-11-21 12:28:12,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 12:28:12,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:28:12,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 12:28:12,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-21 12:28:12,319 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 7 states. [2019-11-21 12:28:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:28:13,160 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2019-11-21 12:28:13,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-21 12:28:13,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-21 12:28:13,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:28:13,178 INFO L225 Difference]: With dead ends: 189 [2019-11-21 12:28:13,179 INFO L226 Difference]: Without dead ends: 186 [2019-11-21 12:28:13,180 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 12:28:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-21 12:28:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2019-11-21 12:28:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-21 12:28:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 188 transitions. [2019-11-21 12:28:13,241 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 188 transitions. Word has length 18 [2019-11-21 12:28:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:28:13,241 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 188 transitions. [2019-11-21 12:28:13,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 12:28:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 188 transitions. [2019-11-21 12:28:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 12:28:13,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:28:13,243 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 12:28:13,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:28:13,446 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 12:28:13,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:28:13,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2015937300, now seen corresponding path program 1 times [2019-11-21 12:28:13,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:28:13,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [38153682] [2019-11-21 12:28:13,449 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 12:28:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:28:13,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-21 12:28:13,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:28:13,789 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 12:28:13,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:13,798 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:13,798 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:28:13,799 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-21 12:28:13,906 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 12:28:13,907 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:28:14,470 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 12:28:14,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [38153682] [2019-11-21 12:28:14,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:28:14,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-21 12:28:14,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813613042] [2019-11-21 12:28:14,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-21 12:28:14,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:28:14,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-21 12:28:14,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-21 12:28:14,474 INFO L87 Difference]: Start difference. First operand 178 states and 188 transitions. Second operand 14 states. [2019-11-21 12:28:16,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:28:16,120 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2019-11-21 12:28:16,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 12:28:16,122 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-21 12:28:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:28:16,125 INFO L225 Difference]: With dead ends: 184 [2019-11-21 12:28:16,125 INFO L226 Difference]: Without dead ends: 184 [2019-11-21 12:28:16,126 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 12:28:16,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-21 12:28:16,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2019-11-21 12:28:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-21 12:28:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 186 transitions. [2019-11-21 12:28:16,143 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 186 transitions. Word has length 18 [2019-11-21 12:28:16,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:28:16,143 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 186 transitions. [2019-11-21 12:28:16,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-21 12:28:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 186 transitions. [2019-11-21 12:28:16,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 12:28:16,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:28:16,145 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 12:28:16,355 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:28:16,356 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 12:28:16,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:28:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash -536219662, now seen corresponding path program 1 times [2019-11-21 12:28:16,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:28:16,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1167268143] [2019-11-21 12:28:16,357 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 12:28:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:28:16,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 12:28:16,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:28:16,695 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 12:28:16,695 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:28:16,732 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 12:28:16,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1167268143] [2019-11-21 12:28:16,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:28:16,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:28:16,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5720178] [2019-11-21 12:28:16,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:28:16,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:28:16,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:28:16,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:28:16,737 INFO L87 Difference]: Start difference. First operand 178 states and 186 transitions. Second operand 5 states. [2019-11-21 12:28:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:28:16,772 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2019-11-21 12:28:16,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:28:16,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-21 12:28:16,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:28:16,775 INFO L225 Difference]: With dead ends: 171 [2019-11-21 12:28:16,775 INFO L226 Difference]: Without dead ends: 171 [2019-11-21 12:28:16,775 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 12:28:16,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-21 12:28:16,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-11-21 12:28:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-21 12:28:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2019-11-21 12:28:16,788 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 18 [2019-11-21 12:28:16,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:28:16,788 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2019-11-21 12:28:16,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:28:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2019-11-21 12:28:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 12:28:16,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:28:16,789 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 12:28:16,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:28:16,994 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 12:28:16,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:28:16,994 INFO L82 PathProgramCache]: Analyzing trace with hash -516612591, now seen corresponding path program 1 times [2019-11-21 12:28:16,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:28:16,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [175190332] [2019-11-21 12:28:16,995 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 12:28:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:28:17,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-21 12:28:17,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:28:17,377 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 12:28:17,378 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 12:28:17,378 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:17,404 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-21 12:28:17,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:17,408 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 12:28:17,408 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-21 12:28:17,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:17,487 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:17,488 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 12:28:17,488 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:17,507 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-21 12:28:17,507 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:28:17,508 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-11-21 12:28:17,641 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 12:28:17,641 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:28:17,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:17,940 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 12:28:17,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [175190332] [2019-11-21 12:28:17,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:28:17,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 16 [2019-11-21 12:28:17,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975263271] [2019-11-21 12:28:17,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 12:28:17,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:28:17,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 12:28:17,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2019-11-21 12:28:17,942 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 17 states. [2019-11-21 12:28:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:28:20,164 INFO L93 Difference]: Finished difference Result 263 states and 277 transitions. [2019-11-21 12:28:20,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-21 12:28:20,165 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 22 [2019-11-21 12:28:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:28:20,168 INFO L225 Difference]: With dead ends: 263 [2019-11-21 12:28:20,168 INFO L226 Difference]: Without dead ends: 260 [2019-11-21 12:28:20,169 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 12:28:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-21 12:28:20,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 172. [2019-11-21 12:28:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-21 12:28:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 179 transitions. [2019-11-21 12:28:20,202 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 179 transitions. Word has length 22 [2019-11-21 12:28:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:28:20,203 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 179 transitions. [2019-11-21 12:28:20,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 12:28:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 179 transitions. [2019-11-21 12:28:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 12:28:20,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:28:20,206 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 12:28:20,418 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:28:20,418 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 12:28:20,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:28:20,419 INFO L82 PathProgramCache]: Analyzing trace with hash -516612590, now seen corresponding path program 1 times [2019-11-21 12:28:20,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:28:20,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2127193719] [2019-11-21 12:28:20,421 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 12:28:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:28:20,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-21 12:28:20,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:28:20,781 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-21 12:28:20,781 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 12:28:20,782 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:20,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:20,882 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 12:28:20,883 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 12:28:20,884 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:20,930 INFO L567 ElimStorePlain]: treesize reduction 10, result has 78.3 percent of original size [2019-11-21 12:28:20,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:20,933 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 12:28:20,933 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:36 [2019-11-21 12:28:20,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:20,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:21,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:21,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:21,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:21,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:23,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:23,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 12:28:23,380 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:23,380 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 12:28:23,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:23,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 12:28:23,412 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 12:28:23,413 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:23,546 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2019-11-21 12:28:23,548 INFO L567 ElimStorePlain]: treesize reduction 24, result has 73.0 percent of original size [2019-11-21 12:28:23,561 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:23,562 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2019-11-21 12:28:23,563 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:23,591 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:28:23,591 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 51 [2019-11-21 12:28:23,592 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-21 12:28:23,637 INFO L567 ElimStorePlain]: treesize reduction 28, result has 41.7 percent of original size [2019-11-21 12:28:23,638 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 12:28:23,639 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:71, output treesize:11 [2019-11-21 12:28:23,723 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 12:28:23,723 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:28:23,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:25,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:25,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:25,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:25,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:25,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:25,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:25,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:25,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:28:29,637 WARN L192 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 12:28:29,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:28:34,406 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 12:28:34,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2127193719] [2019-11-21 12:28:34,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:28:34,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-21 12:28:34,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129066454] [2019-11-21 12:28:34,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-21 12:28:34,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:28:34,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-21 12:28:34,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=166, Unknown=6, NotChecked=0, Total=210 [2019-11-21 12:28:34,409 INFO L87 Difference]: Start difference. First operand 172 states and 179 transitions. Second operand 15 states. [2019-11-21 12:28:51,091 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-11-21 12:29:05,772 WARN L192 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2019-11-21 12:29:56,121 WARN L192 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2019-11-21 12:30:08,775 WARN L192 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2019-11-21 12:32:08,609 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_probe_23_~dev.base_BEFORE_CALL_6 (_ BitVec 32))) (= (_ bv8 32) (select |c_#length| v_probe_23_~dev.base_BEFORE_CALL_6))) (forall ((v_probe_23_~dev.base_BEFORE_CALL_8 (_ BitVec 32)) (v_probe_23_~dev.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_probe_23_~dev.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_16| (_ BitVec 32)) (v_ldv_malloc_~size_19 (_ BitVec 32))) (and (not (bvsle (bvadd v_probe_23_~dev.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_16| v_ldv_malloc_~size_19) v_probe_23_~dev.base_BEFORE_CALL_8))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_16|)))) (not (bvsle v_probe_23_~dev.offset_BEFORE_CALL_4 .cse0)) (not (bvsle (_ bv0 32) v_probe_23_~dev.offset_BEFORE_CALL_4)) (bvsle .cse0 (select |c_#length| v_probe_23_~dev.base_BEFORE_CALL_8))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (exists ((v_prenex_2 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) is different from false [2019-11-21 12:33:04,011 WARN L192 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-21 12:35:19,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:19,675 INFO L93 Difference]: Finished difference Result 251 states and 264 transitions. [2019-11-21 12:35:19,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-21 12:35:19,676 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 22 [2019-11-21 12:35:19,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:19,678 INFO L225 Difference]: With dead ends: 251 [2019-11-21 12:35:19,678 INFO L226 Difference]: Without dead ends: 251 [2019-11-21 12:35:19,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 26 SyntacticMatches, 7 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 74.1s TimeCoverageRelationStatistics Valid=153, Invalid=483, Unknown=18, NotChecked=48, Total=702 [2019-11-21 12:35:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-21 12:35:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 171. [2019-11-21 12:35:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-21 12:35:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2019-11-21 12:35:19,691 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 22 [2019-11-21 12:35:19,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:19,691 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2019-11-21 12:35:19,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-21 12:35:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2019-11-21 12:35:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 12:35:19,693 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:19,693 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 12:35:19,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:19,894 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 12:35:19,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:19,896 INFO L82 PathProgramCache]: Analyzing trace with hash 514068859, now seen corresponding path program 1 times [2019-11-21 12:35:19,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:19,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [978915900] [2019-11-21 12:35:19,897 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 12:35:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:20,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:35:20,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:20,178 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 12:35:20,179 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:35:20,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [978915900] [2019-11-21 12:35:20,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:20,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:35:20,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994994156] [2019-11-21 12:35:20,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:35:20,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:20,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:35:20,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:35:20,286 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand 5 states. [2019-11-21 12:35:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:20,344 INFO L93 Difference]: Finished difference Result 171 states and 177 transitions. [2019-11-21 12:35:20,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:35:20,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 12:35:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:20,346 INFO L225 Difference]: With dead ends: 171 [2019-11-21 12:35:20,346 INFO L226 Difference]: Without dead ends: 171 [2019-11-21 12:35:20,347 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:35:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-21 12:35:20,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-11-21 12:35:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-21 12:35:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 177 transitions. [2019-11-21 12:35:20,355 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 177 transitions. Word has length 22 [2019-11-21 12:35:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:20,355 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 177 transitions. [2019-11-21 12:35:20,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:35:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 177 transitions. [2019-11-21 12:35:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 12:35:20,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:20,357 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 12:35:20,559 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:20,560 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 12:35:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:20,561 INFO L82 PathProgramCache]: Analyzing trace with hash -367713659, now seen corresponding path program 1 times [2019-11-21 12:35:20,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:20,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1920095887] [2019-11-21 12:35:20,562 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 12:35:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:20,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:35:20,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:20,867 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 12:35:20,867 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:20,941 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 12:35:20,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1920095887] [2019-11-21 12:35:20,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:20,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-21 12:35:20,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113504496] [2019-11-21 12:35:20,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 12:35:20,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:20,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 12:35:20,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 12:35:20,944 INFO L87 Difference]: Start difference. First operand 171 states and 177 transitions. Second operand 10 states. [2019-11-21 12:35:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:21,024 INFO L93 Difference]: Finished difference Result 177 states and 182 transitions. [2019-11-21 12:35:21,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 12:35:21,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-21 12:35:21,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:21,038 INFO L225 Difference]: With dead ends: 177 [2019-11-21 12:35:21,038 INFO L226 Difference]: Without dead ends: 169 [2019-11-21 12:35:21,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-21 12:35:21,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-21 12:35:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2019-11-21 12:35:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-21 12:35:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 172 transitions. [2019-11-21 12:35:21,047 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 172 transitions. Word has length 24 [2019-11-21 12:35:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:21,047 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 172 transitions. [2019-11-21 12:35:21,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 12:35:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2019-11-21 12:35:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-21 12:35:21,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:21,049 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 12:35:21,260 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:21,261 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 12:35:21,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:21,261 INFO L82 PathProgramCache]: Analyzing trace with hash 263460267, now seen corresponding path program 1 times [2019-11-21 12:35:21,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:21,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1331140536] [2019-11-21 12:35:21,262 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 12:35:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:21,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:35:21,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:21,638 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 12:35:21,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:21,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:21,641 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:35:21,641 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:35:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:35:21,684 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:21,756 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 12:35:21,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1331140536] [2019-11-21 12:35:21,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:21,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2019-11-21 12:35:21,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991720938] [2019-11-21 12:35:21,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 12:35:21,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:21,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 12:35:21,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-21 12:35:21,759 INFO L87 Difference]: Start difference. First operand 167 states and 172 transitions. Second operand 7 states. [2019-11-21 12:35:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:22,447 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-21 12:35:22,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 12:35:22,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-21 12:35:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:22,450 INFO L225 Difference]: With dead ends: 164 [2019-11-21 12:35:22,450 INFO L226 Difference]: Without dead ends: 164 [2019-11-21 12:35:22,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-21 12:35:22,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-21 12:35:22,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-21 12:35:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-21 12:35:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 169 transitions. [2019-11-21 12:35:22,456 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 169 transitions. Word has length 36 [2019-11-21 12:35:22,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:22,457 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 169 transitions. [2019-11-21 12:35:22,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 12:35:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2019-11-21 12:35:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-21 12:35:22,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:22,459 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 12:35:22,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:22,663 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 12:35:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:22,664 INFO L82 PathProgramCache]: Analyzing trace with hash 263460268, now seen corresponding path program 1 times [2019-11-21 12:35:22,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:22,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [599813931] [2019-11-21 12:35:22,666 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 12:35:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:23,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 12:35:23,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:23,015 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 12:35:23,015 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:23,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:23,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:35:23,022 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-21 12:35:23,076 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 12:35:23,077 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:23,404 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 12:35:23,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [599813931] [2019-11-21 12:35:23,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:23,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-21 12:35:23,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380939989] [2019-11-21 12:35:23,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 12:35:23,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:23,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 12:35:23,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 12:35:23,406 INFO L87 Difference]: Start difference. First operand 164 states and 169 transitions. Second operand 10 states. [2019-11-21 12:35:24,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:24,999 INFO L93 Difference]: Finished difference Result 161 states and 166 transitions. [2019-11-21 12:35:25,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:35:25,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2019-11-21 12:35:25,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:25,002 INFO L225 Difference]: With dead ends: 161 [2019-11-21 12:35:25,002 INFO L226 Difference]: Without dead ends: 161 [2019-11-21 12:35:25,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-21 12:35:25,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-21 12:35:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-11-21 12:35:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-21 12:35:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 166 transitions. [2019-11-21 12:35:25,033 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 166 transitions. Word has length 36 [2019-11-21 12:35:25,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:25,033 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 166 transitions. [2019-11-21 12:35:25,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 12:35:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2019-11-21 12:35:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-21 12:35:25,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:25,038 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 12:35:25,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:25,240 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 12:35:25,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:25,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1224936188, now seen corresponding path program 1 times [2019-11-21 12:35:25,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:25,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1132443097] [2019-11-21 12:35:25,243 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 12:35:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:25,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:35:25,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:25,548 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 12:35:25,548 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:25,616 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 12:35:25,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1132443097] [2019-11-21 12:35:25,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:25,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 12:35:25,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781845282] [2019-11-21 12:35:25,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:35:25,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:25,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:35:25,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:35:25,622 INFO L87 Difference]: Start difference. First operand 161 states and 166 transitions. Second operand 5 states. [2019-11-21 12:35:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:25,656 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2019-11-21 12:35:25,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:35:25,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-21 12:35:25,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:25,662 INFO L225 Difference]: With dead ends: 160 [2019-11-21 12:35:25,662 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 12:35:25,663 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 12:35:25,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 12:35:25,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-21 12:35:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-21 12:35:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2019-11-21 12:35:25,671 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 40 [2019-11-21 12:35:25,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:25,672 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2019-11-21 12:35:25,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:35:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2019-11-21 12:35:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-21 12:35:25,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:25,673 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 12:35:25,880 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:25,881 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 12:35:25,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:25,881 INFO L82 PathProgramCache]: Analyzing trace with hash -681683671, now seen corresponding path program 1 times [2019-11-21 12:35:25,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:25,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [408315504] [2019-11-21 12:35:25,882 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 12:35:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:26,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:35:26,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:26,189 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 12:35:26,189 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:26,269 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 12:35:26,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [408315504] [2019-11-21 12:35:26,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:26,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 12:35:26,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419744407] [2019-11-21 12:35:26,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 12:35:26,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:26,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 12:35:26,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 12:35:26,271 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 6 states. [2019-11-21 12:35:26,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:26,354 INFO L93 Difference]: Finished difference Result 160 states and 164 transitions. [2019-11-21 12:35:26,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:35:26,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2019-11-21 12:35:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:26,361 INFO L225 Difference]: With dead ends: 160 [2019-11-21 12:35:26,362 INFO L226 Difference]: Without dead ends: 160 [2019-11-21 12:35:26,362 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 12:35:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-21 12:35:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-21 12:35:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-21 12:35:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 164 transitions. [2019-11-21 12:35:26,367 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 164 transitions. Word has length 41 [2019-11-21 12:35:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:26,368 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 164 transitions. [2019-11-21 12:35:26,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 12:35:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 164 transitions. [2019-11-21 12:35:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-21 12:35:26,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:26,369 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 12:35:26,572 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:26,573 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 12:35:26,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:26,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1009758537, now seen corresponding path program 1 times [2019-11-21 12:35:26,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:26,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [678712674] [2019-11-21 12:35:26,575 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 12:35:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:27,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 12:35:27,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:27,024 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 12:35:27,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:27,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:27,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:35:27,028 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:35:27,076 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 12:35:27,076 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:27,079 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:27,080 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 12:35:27,080 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2019-11-21 12:35:27,119 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:27,119 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 12:35:27,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:27,139 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-21 12:35:27,140 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 12:35:27,140 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-11-21 12:35:27,178 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 12:35:27,179 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:27,277 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 12:35:27,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [678712674] [2019-11-21 12:35:27,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:27,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2019-11-21 12:35:27,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777991315] [2019-11-21 12:35:27,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 12:35:27,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:27,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 12:35:27,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 12:35:27,279 INFO L87 Difference]: Start difference. First operand 160 states and 164 transitions. Second operand 9 states. [2019-11-21 12:35:32,637 WARN L192 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2019-11-21 12:35:47,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:35:47,042 INFO L93 Difference]: Finished difference Result 187 states and 194 transitions. [2019-11-21 12:35:47,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 12:35:47,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2019-11-21 12:35:47,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:35:47,045 INFO L225 Difference]: With dead ends: 187 [2019-11-21 12:35:47,045 INFO L226 Difference]: Without dead ends: 187 [2019-11-21 12:35:47,045 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 81 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-11-21 12:35:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-21 12:35:47,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 155. [2019-11-21 12:35:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-21 12:35:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2019-11-21 12:35:47,051 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 47 [2019-11-21 12:35:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:35:47,052 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2019-11-21 12:35:47,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 12:35:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2019-11-21 12:35:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-21 12:35:47,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:35:47,053 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 12:35:47,256 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:35:47,257 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 12:35:47,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:35:47,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1009758536, now seen corresponding path program 1 times [2019-11-21 12:35:47,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:35:47,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1648545419] [2019-11-21 12:35:47,259 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 12:35:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:35:47,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 12:35:47,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:35:47,750 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 12:35:47,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:47,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:47,765 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 12:35:47,766 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:47,775 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:47,775 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:35:47,775 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 12:35:49,832 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 12:35:49,832 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:49,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:49,843 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 12:35:49,844 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:49,855 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:49,855 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 12:35:49,855 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2019-11-21 12:35:49,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 12:35:49,888 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 12:35:49,889 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:49,903 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:49,915 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:49,916 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 12:35:49,916 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:35:49,928 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:35:49,928 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 12:35:49,929 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 12:35:50,030 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 12:35:50,031 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:35:50,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:35:52,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:35:52,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:52,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:54,326 WARN L192 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 12:35:54,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:35:54,797 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 12:35:54,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1648545419] [2019-11-21 12:35:54,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:35:54,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-21 12:35:54,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414760365] [2019-11-21 12:35:54,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-21 12:35:54,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:35:54,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-21 12:35:54,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2019-11-21 12:35:54,799 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 15 states. [2019-11-21 12:36:33,391 WARN L192 SmtUtils]: Spent 6.43 s on a formula simplification that was a NOOP. DAG size: 53 [2019-11-21 12:37:52,063 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 21 [2019-11-21 12:40:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:40:02,509 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2019-11-21 12:40:02,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 12:40:02,512 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2019-11-21 12:40:02,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:40:02,513 INFO L225 Difference]: With dead ends: 170 [2019-11-21 12:40:02,514 INFO L226 Difference]: Without dead ends: 170 [2019-11-21 12:40:02,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=81, Invalid=297, Unknown=2, NotChecked=0, Total=380 [2019-11-21 12:40:02,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-21 12:40:02,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2019-11-21 12:40:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-21 12:40:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-21 12:40:02,520 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 47 [2019-11-21 12:40:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:40:02,521 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-21 12:40:02,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-21 12:40:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-21 12:40:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-21 12:40:02,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:40:02,522 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 12:40:02,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:40:02,727 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 12:40:02,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:40:02,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1320765052, now seen corresponding path program 1 times [2019-11-21 12:40:02,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:40:02,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2121857488] [2019-11-21 12:40:02,728 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 12:40:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:40:03,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:40:03,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:40:03,277 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 12:40:03,278 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:40:03,391 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 12:40:03,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2121857488] [2019-11-21 12:40:03,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:40:03,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2019-11-21 12:40:03,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646995114] [2019-11-21 12:40:03,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-21 12:40:03,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:40:03,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-21 12:40:03,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-21 12:40:03,393 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 11 states. [2019-11-21 12:40:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:40:03,987 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2019-11-21 12:40:03,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 12:40:03,988 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2019-11-21 12:40:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:40:03,990 INFO L225 Difference]: With dead ends: 149 [2019-11-21 12:40:03,990 INFO L226 Difference]: Without dead ends: 149 [2019-11-21 12:40:03,991 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 12:40:03,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-21 12:40:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-11-21 12:40:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-21 12:40:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2019-11-21 12:40:03,996 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 51 [2019-11-21 12:40:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:40:03,997 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2019-11-21 12:40:03,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-21 12:40:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2019-11-21 12:40:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-21 12:40:03,998 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:40:03,998 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 12:40:04,202 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:40:04,202 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 12:40:04,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:40:04,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1320763608, now seen corresponding path program 1 times [2019-11-21 12:40:04,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:40:04,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [29785930] [2019-11-21 12:40:04,203 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 12:40:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:40:04,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-21 12:40:04,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:40:04,525 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 12:40:04,525 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:40:04,558 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 12:40:04,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [29785930] [2019-11-21 12:40:04,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:40:04,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 12:40:04,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279826854] [2019-11-21 12:40:04,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-21 12:40:04,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:40:04,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-21 12:40:04,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-21 12:40:04,560 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 4 states. [2019-11-21 12:40:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:40:04,576 INFO L93 Difference]: Finished difference Result 152 states and 156 transitions. [2019-11-21 12:40:04,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-21 12:40:04,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-11-21 12:40:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:40:04,578 INFO L225 Difference]: With dead ends: 152 [2019-11-21 12:40:04,578 INFO L226 Difference]: Without dead ends: 152 [2019-11-21 12:40:04,579 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 12:40:04,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-21 12:40:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-21 12:40:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-21 12:40:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-21 12:40:04,584 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 51 [2019-11-21 12:40:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:40:04,584 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-21 12:40:04,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-21 12:40:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-21 12:40:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-21 12:40:04,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:40:04,586 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 12:40:04,796 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:40:04,797 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 12:40:04,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:40:04,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1726675316, now seen corresponding path program 1 times [2019-11-21 12:40:04,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:40:04,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [870085170] [2019-11-21 12:40:04,800 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 12:40:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:40:05,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-21 12:40:05,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:40:05,203 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 12:40:05,204 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:40:05,268 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 12:40:05,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [870085170] [2019-11-21 12:40:05,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:40:05,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-21 12:40:05,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086952700] [2019-11-21 12:40:05,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-21 12:40:05,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:40:05,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-21 12:40:05,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-21 12:40:05,270 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 8 states. [2019-11-21 12:40:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:40:05,303 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-21 12:40:05,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:40:05,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-21 12:40:05,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:40:05,310 INFO L225 Difference]: With dead ends: 143 [2019-11-21 12:40:05,310 INFO L226 Difference]: Without dead ends: 143 [2019-11-21 12:40:05,311 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 12:40:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-21 12:40:05,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-11-21 12:40:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-21 12:40:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 146 transitions. [2019-11-21 12:40:05,318 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 146 transitions. Word has length 58 [2019-11-21 12:40:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:40:05,319 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 146 transitions. [2019-11-21 12:40:05,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-21 12:40:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 146 transitions. [2019-11-21 12:40:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-21 12:40:05,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:40:05,320 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 12:40:05,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:40:05,524 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 12:40:05,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:40:05,524 INFO L82 PathProgramCache]: Analyzing trace with hash 100288354, now seen corresponding path program 1 times [2019-11-21 12:40:05,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:40:05,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1313187993] [2019-11-21 12:40:05,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 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 12:40:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:40:07,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 12:40:07,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:40:07,065 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 12:40:07,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:40:07,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:40:07,069 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:40:07,069 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-21 12:40:07,132 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 12:40:07,132 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:40:07,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:40:07,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:40:07,139 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2019-11-21 12:40:09,169 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_hid_open_report_~parser~0.base_BEFORE_CALL_5 (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| v_hid_open_report_~parser~0.base_BEFORE_CALL_5))) (= .cse0 (store ((as const (Array (_ BitVec 32) (_ BitVec 8))) (_ bv0 8)) (_ bv0 32) (select .cse0 (_ bv0 32)))))) is different from true [2019-11-21 12:40:11,195 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-21 12:40:11,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:40:11,451 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const (_ BitVec 8)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.normalforms.UnfTransformer.convertApplicationTerm(UnfTransformer.java:85) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$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 12:40:11,458 INFO L168 Benchmark]: Toolchain (without parser) took 723124.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.8 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -267.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:40:11,459 INFO L168 Benchmark]: CDTParser took 0.25 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 12:40:11,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1038.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-21 12:40:11,460 INFO L168 Benchmark]: Boogie Preprocessor took 125.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 12:40:11,460 INFO L168 Benchmark]: RCFGBuilder took 2059.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 144.9 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. [2019-11-21 12:40:11,461 INFO L168 Benchmark]: TraceAbstraction took 719895.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.0 MB). Free memory was 930.9 MB in the beginning and 1.2 GB in the end (delta: -294.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:40:11,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1038.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2059.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 144.9 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 719895.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.0 MB). Free memory was 930.9 MB in the beginning and 1.2 GB in the end (delta: -294.1 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...