./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- 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_test15-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6a0770eb2c463eae88ecc18779bd9f5bc099613 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:03:11,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:03:11,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:03:11,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:03:11,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:03:11,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:03:11,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:03:11,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:03:11,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:03:11,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:03:11,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:03:11,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:03:11,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:03:11,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:03:11,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:03:11,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:03:11,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:03:11,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:03:11,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:03:11,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:03:11,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:03:11,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:03:11,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:03:11,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:03:11,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:03:11,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:03:11,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:03:11,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:03:11,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:03:11,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:03:11,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:03:11,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:03:11,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:03:11,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:03:11,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:03:11,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:03:11,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:03:11,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:03:11,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:03:11,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:03:11,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:03:11,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:03:11,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:03:11,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:03:11,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:03:11,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:03:11,580 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:03:11,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:03:11,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:03:11,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:03:11,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:03:11,581 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:03:11,582 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:03:11,582 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:03:11,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:03:11,582 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:03:11,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:11,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:03:11,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:03:11,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:03:11,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:03:11,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:03:11,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:03:11,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:03:11,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:03:11,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:03:11,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:03:11,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:03:11,587 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6a0770eb2c463eae88ecc18779bd9f5bc099613 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:03:11,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:03:11,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:03:11,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:03:11,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:03:11,945 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:03:11,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-21 11:03:12,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d56084a7/f803fd7e1a6545c9a4376943362102ac/FLAGed51e7d34 [2019-11-21 11:03:12,580 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:03:12,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-21 11:03:12,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d56084a7/f803fd7e1a6545c9a4376943362102ac/FLAGed51e7d34 [2019-11-21 11:03:12,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d56084a7/f803fd7e1a6545c9a4376943362102ac [2019-11-21 11:03:12,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:03:12,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:03:12,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:03:12,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:03:12,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:03:12,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:03:12" (1/1) ... [2019-11-21 11:03:12,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79630ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:12, skipping insertion in model container [2019-11-21 11:03:12,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:03:12" (1/1) ... [2019-11-21 11:03:12,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:03:12,967 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:03:13,370 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 11:03:13,371 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:03:13,371 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,383 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 11:03:13,383 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:03:13,384 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,386 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 11:03:13,387 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:03:13,388 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,390 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 11:03:13,392 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:03:13,392 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,435 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 11:03:13,435 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:03:13,435 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,459 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 11:03:13,459 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface *)( (char *)__mptr - ((size_t) &((struct ldv_usb_interface *)0)->dev) ) [781] [2019-11-21 11:03:13,460 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,462 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 11:03:13,463 INFO L969 CHandler]: at location: C: (struct ldv_arvo_device*)ldv_zalloc(sizeof(struct ldv_arvo_device)) [786] [2019-11-21 11:03:13,463 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,467 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 11:03:13,468 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface *)( (char *)__mptr - ((size_t) &((struct ldv_usb_interface *)0)->dev) ) [801] [2019-11-21 11:03:13,468 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,473 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 11:03:13,473 INFO L969 CHandler]: at location: C: (struct ldv_hid_device *)ldv_malloc(sizeof(struct ldv_hid_device)) [823] [2019-11-21 11:03:13,473 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,474 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 11:03:13,474 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface*)ldv_malloc(sizeof(struct ldv_usb_interface)) [825] [2019-11-21 11:03:13,475 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,476 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 11:03:13,476 INFO L969 CHandler]: at location: C: (struct ldv_usb_host_interface *)ldv_malloc(sizeof(struct ldv_usb_host_interface)) [827] [2019-11-21 11:03:13,477 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:03:13,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:03:13,514 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:03:13,530 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:03:13,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:03:13,646 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:03:13,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:03:13,833 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:03:13,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13 WrapperNode [2019-11-21 11:03:13,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:03:13,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:03:13,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:03:13,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:03:13,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (1/1) ... [2019-11-21 11:03:13,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:03:13,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:03:13,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:03:13,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:03:13,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (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 11:03:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:03:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:03:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:03:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:03:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:03:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:03:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:03:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:03:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:03:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:03:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:03:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:03:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:03:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:03:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:03:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:03:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:03:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:03:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:03:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:03:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:03:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:03:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:03:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:03:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:03:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:03:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:03:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:03:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:03:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:03:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:03:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:03:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:03:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:03:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:03:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:03:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2019-11-21 11:03:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2019-11-21 11:03:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2019-11-21 11:03:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2019-11-21 11:03:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2019-11-21 11:03:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2019-11-21 11:03:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2019-11-21 11:03:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:03:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:03:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:03:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:03:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:03:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:03:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:03:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:03:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:03:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:03:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:03:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:03:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:03:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:03:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:03:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:03:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:03:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:03:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:03:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:03:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:03:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:03:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:03:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:03:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:03:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:03:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:03:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:03:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:03:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:03:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:03:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:03:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:03:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:03:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:03:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:03:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:03:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:03:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:03:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:03:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:03:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:03:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:03:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:03:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:03:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:03:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:03:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:03:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:03:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:03:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:03:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:03:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:03:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:03:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:03:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:03:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:03:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:03:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:03:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:03:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:03:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:03:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:03:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:03:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:03:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:03:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:03:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:03:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:03:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:03:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:03:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:03:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:03:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:03:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:03:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:03:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:03:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:03:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:03:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:03:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:03:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:03:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:03:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:03:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:03:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:03:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:03:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:03:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:03:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:03:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:03:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:03:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:03:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:03:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:03:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:03:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:03:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:03:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:03:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:03:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:03:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:03:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:03:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:03:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:03:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:03:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:03:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:03:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:03:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:03:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2019-11-21 11:03:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2019-11-21 11:03:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2019-11-21 11:03:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2019-11-21 11:03:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-21 11:03:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2019-11-21 11:03:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2019-11-21 11:03:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2019-11-21 11:03:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:03:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-21 11:03:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:03:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:03:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-11-21 11:03:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:03:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:03:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:03:14,715 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:03:15,259 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:03:15,764 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:03:15,765 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:03:15,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:03:15 BoogieIcfgContainer [2019-11-21 11:03:15,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:03:15,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:03:15,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:03:15,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:03:15,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:03:12" (1/3) ... [2019-11-21 11:03:15,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c0ea89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:03:15, skipping insertion in model container [2019-11-21 11:03:15,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:03:13" (2/3) ... [2019-11-21 11:03:15,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c0ea89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:03:15, skipping insertion in model container [2019-11-21 11:03:15,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:03:15" (3/3) ... [2019-11-21 11:03:15,774 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test15-2.i [2019-11-21 11:03:15,785 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:03:15,794 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 116 error locations. [2019-11-21 11:03:15,807 INFO L249 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2019-11-21 11:03:15,829 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:03:15,830 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:03:15,830 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:03:15,830 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:03:15,830 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:03:15,830 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:03:15,830 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:03:15,830 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:03:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2019-11-21 11:03:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 11:03:15,869 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:15,870 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:15,872 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:15,878 INFO L82 PathProgramCache]: Analyzing trace with hash -866134243, now seen corresponding path program 1 times [2019-11-21 11:03:15,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:15,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1734604727] [2019-11-21 11:03:15,893 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 11:03:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:16,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:03:16,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:16,285 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 11:03:16,285 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:16,388 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 11:03:16,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1734604727] [2019-11-21 11:03:16,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:03:16,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:03:16,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143499384] [2019-11-21 11:03:16,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:03:16,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:16,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:03:16,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:03:16,415 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 5 states. [2019-11-21 11:03:16,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:16,548 INFO L93 Difference]: Finished difference Result 231 states and 256 transitions. [2019-11-21 11:03:16,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:03:16,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 11:03:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:16,565 INFO L225 Difference]: With dead ends: 231 [2019-11-21 11:03:16,565 INFO L226 Difference]: Without dead ends: 228 [2019-11-21 11:03:16,567 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:03:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-21 11:03:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 181. [2019-11-21 11:03:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-21 11:03:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 196 transitions. [2019-11-21 11:03:16,638 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 196 transitions. Word has length 16 [2019-11-21 11:03:16,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:16,639 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 196 transitions. [2019-11-21 11:03:16,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:03:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 196 transitions. [2019-11-21 11:03:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 11:03:16,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:16,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:16,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:16,848 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:16,849 INFO L82 PathProgramCache]: Analyzing trace with hash 876676092, now seen corresponding path program 1 times [2019-11-21 11:03:16,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:16,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [17094047] [2019-11-21 11:03:16,850 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 11:03:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:17,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:03:17,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:17,139 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 11:03:17,141 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:17,192 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 11:03:17,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [17094047] [2019-11-21 11:03:17,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:03:17,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:03:17,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076596487] [2019-11-21 11:03:17,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:03:17,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:17,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:03:17,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:03:17,197 INFO L87 Difference]: Start difference. First operand 181 states and 196 transitions. Second operand 3 states. [2019-11-21 11:03:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:17,564 INFO L93 Difference]: Finished difference Result 241 states and 267 transitions. [2019-11-21 11:03:17,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:03:17,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 11:03:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:17,568 INFO L225 Difference]: With dead ends: 241 [2019-11-21 11:03:17,569 INFO L226 Difference]: Without dead ends: 238 [2019-11-21 11:03:17,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:03:17,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-11-21 11:03:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 177. [2019-11-21 11:03:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-11-21 11:03:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 189 transitions. [2019-11-21 11:03:17,596 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 189 transitions. Word has length 16 [2019-11-21 11:03:17,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:17,596 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 189 transitions. [2019-11-21 11:03:17,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:03:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 189 transitions. [2019-11-21 11:03:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:03:17,598 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:17,598 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:17,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:17,805 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash -966693284, now seen corresponding path program 1 times [2019-11-21 11:03:17,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:17,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [853582999] [2019-11-21 11:03:17,808 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 11:03:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:18,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:03:18,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:18,058 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:18,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [853582999] [2019-11-21 11:03:18,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:03:18,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-21 11:03:18,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070533511] [2019-11-21 11:03:18,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:03:18,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:18,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:03:18,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:03:18,103 INFO L87 Difference]: Start difference. First operand 177 states and 189 transitions. Second operand 5 states. [2019-11-21 11:03:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:18,134 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2019-11-21 11:03:18,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:03:18,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 11:03:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:18,137 INFO L225 Difference]: With dead ends: 176 [2019-11-21 11:03:18,137 INFO L226 Difference]: Without dead ends: 176 [2019-11-21 11:03:18,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:03:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-21 11:03:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-11-21 11:03:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-11-21 11:03:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2019-11-21 11:03:18,149 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 21 [2019-11-21 11:03:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:18,149 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2019-11-21 11:03:18,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:03:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2019-11-21 11:03:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:03:18,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:18,151 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:18,353 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:18,354 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:18,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:18,355 INFO L82 PathProgramCache]: Analyzing trace with hash 97279794, now seen corresponding path program 1 times [2019-11-21 11:03:18,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:18,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1302524575] [2019-11-21 11:03:18,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 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 11:03:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:18,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:03:18,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:18,609 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:18,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1302524575] [2019-11-21 11:03:18,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:03:18,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:03:18,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459874808] [2019-11-21 11:03:18,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:03:18,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:18,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:03:18,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:03:18,653 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 5 states. [2019-11-21 11:03:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:18,837 INFO L93 Difference]: Finished difference Result 223 states and 244 transitions. [2019-11-21 11:03:18,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:03:18,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:03:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:18,844 INFO L225 Difference]: With dead ends: 223 [2019-11-21 11:03:18,844 INFO L226 Difference]: Without dead ends: 223 [2019-11-21 11:03:18,844 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 11:03:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-11-21 11:03:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 180. [2019-11-21 11:03:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-21 11:03:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2019-11-21 11:03:18,870 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 22 [2019-11-21 11:03:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:18,870 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2019-11-21 11:03:18,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:03:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2019-11-21 11:03:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:03:18,871 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:18,871 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:19,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:19,076 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:19,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash 984783475, now seen corresponding path program 1 times [2019-11-21 11:03:19,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:19,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [201664117] [2019-11-21 11:03:19,078 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 11:03:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:19,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:03:19,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:19,397 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:19,491 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [201664117] [2019-11-21 11:03:19,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:03:19,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 11:03:19,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462763744] [2019-11-21 11:03:19,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:03:19,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:19,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:03:19,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:03:19,493 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 9 states. [2019-11-21 11:03:19,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:19,959 INFO L93 Difference]: Finished difference Result 179 states and 193 transitions. [2019-11-21 11:03:19,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:03:19,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 11:03:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:19,961 INFO L225 Difference]: With dead ends: 179 [2019-11-21 11:03:19,961 INFO L226 Difference]: Without dead ends: 179 [2019-11-21 11:03:19,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:03:19,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-21 11:03:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-11-21 11:03:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-21 11:03:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2019-11-21 11:03:19,969 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 22 [2019-11-21 11:03:19,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:19,969 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2019-11-21 11:03:19,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:03:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2019-11-21 11:03:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 11:03:19,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:19,970 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:20,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:20,174 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:20,175 INFO L82 PathProgramCache]: Analyzing trace with hash 463517181, now seen corresponding path program 1 times [2019-11-21 11:03:20,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:20,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1984153173] [2019-11-21 11:03:20,176 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 11:03:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:20,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:03:20,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:20,482 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 11:03:20,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:20,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:20,486 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:03:20,486 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:03:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:03:20,513 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:03:20,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1984153173] [2019-11-21 11:03:20,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:03:20,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-21 11:03:20,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251411330] [2019-11-21 11:03:20,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 11:03:20,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:20,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 11:03:20,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:03:20,591 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand 7 states. [2019-11-21 11:03:22,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:22,002 INFO L93 Difference]: Finished difference Result 343 states and 387 transitions. [2019-11-21 11:03:22,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 11:03:22,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-21 11:03:22,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:22,006 INFO L225 Difference]: With dead ends: 343 [2019-11-21 11:03:22,006 INFO L226 Difference]: Without dead ends: 343 [2019-11-21 11:03:22,007 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:03:22,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-21 11:03:22,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 199. [2019-11-21 11:03:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-21 11:03:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 230 transitions. [2019-11-21 11:03:22,029 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 230 transitions. Word has length 23 [2019-11-21 11:03:22,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:22,030 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 230 transitions. [2019-11-21 11:03:22,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 11:03:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 230 transitions. [2019-11-21 11:03:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 11:03:22,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:22,033 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:22,244 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:22,244 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1971068990, now seen corresponding path program 1 times [2019-11-21 11:03:22,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:22,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2066348106] [2019-11-21 11:03:22,245 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 11:03:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:22,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:03:22,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:22,498 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:03:22,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2066348106] [2019-11-21 11:03:22,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:03:22,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-21 11:03:22,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312478317] [2019-11-21 11:03:22,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:03:22,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:22,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:03:22,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:03:22,527 INFO L87 Difference]: Start difference. First operand 199 states and 230 transitions. Second operand 6 states. [2019-11-21 11:03:22,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:03:22,615 INFO L93 Difference]: Finished difference Result 236 states and 270 transitions. [2019-11-21 11:03:22,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:03:22,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-11-21 11:03:22,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:03:22,617 INFO L225 Difference]: With dead ends: 236 [2019-11-21 11:03:22,618 INFO L226 Difference]: Without dead ends: 235 [2019-11-21 11:03:22,618 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 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 11:03:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-21 11:03:22,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 215. [2019-11-21 11:03:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-21 11:03:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 266 transitions. [2019-11-21 11:03:22,627 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 266 transitions. Word has length 23 [2019-11-21 11:03:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:03:22,627 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 266 transitions. [2019-11-21 11:03:22,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:03:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 266 transitions. [2019-11-21 11:03:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:03:22,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:03:22,628 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:03:22,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:03:22,832 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:03:22,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:03:22,833 INFO L82 PathProgramCache]: Analyzing trace with hash 2044884972, now seen corresponding path program 1 times [2019-11-21 11:03:22,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:03:22,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1132327605] [2019-11-21 11:03:22,835 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 11:03:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:03:23,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 11:03:23,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:03:23,143 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 11:03:23,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:23,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:23,162 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 11:03:23,163 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:23,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:23,171 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:03:23,171 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 11:03:25,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 11:03:25,333 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 11:03:25,334 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:25,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:25,379 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:25,379 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 11:03:25,380 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:25,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:25,393 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 11:03:25,393 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2019-11-21 11:03:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 11:03:25,415 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:03:25,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:03:27,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:27,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:03:27,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:27,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:27,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:27,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:03:27,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:27,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:28,662 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2019-11-21 11:03:28,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:03:31,667 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 11:03:31,678 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 11:03:31,678 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:31,691 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:31,693 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 11:03:31,694 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:03:31,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:03:31,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:03:31,705 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 11:03:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 11:03:31,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1132327605] [2019-11-21 11:03:31,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 11:03:31,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 11:03:31,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405864976] [2019-11-21 11:03:31,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 11:03:31,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:03:31,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 11:03:31,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=200, Unknown=2, NotChecked=0, Total=240 [2019-11-21 11:03:31,799 INFO L87 Difference]: Start difference. First operand 215 states and 266 transitions. Second operand 16 states. [2019-11-21 11:04:19,923 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-21 11:04:24,940 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-21 11:04:54,088 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-11-21 11:05:02,908 WARN L192 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-11-21 11:05:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:05:05,827 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2019-11-21 11:05:05,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-21 11:05:05,828 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-11-21 11:05:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:05:05,830 INFO L225 Difference]: With dead ends: 338 [2019-11-21 11:05:05,831 INFO L226 Difference]: Without dead ends: 335 [2019-11-21 11:05:05,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=127, Invalid=624, Unknown=5, NotChecked=0, Total=756 [2019-11-21 11:05:05,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-11-21 11:05:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 278. [2019-11-21 11:05:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-21 11:05:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 362 transitions. [2019-11-21 11:05:05,846 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 362 transitions. Word has length 26 [2019-11-21 11:05:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:05:05,846 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 362 transitions. [2019-11-21 11:05:05,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 11:05:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 362 transitions. [2019-11-21 11:05:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:05:05,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:05:05,848 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:05:06,048 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:05:06,049 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:05:06,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:05:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash 247933613, now seen corresponding path program 1 times [2019-11-21 11:05:06,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:05:06,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1258992219] [2019-11-21 11:05:06,051 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 11:05:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:05:06,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:05:06,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:05:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:05:06,349 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:05:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-21 11:05:06,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1258992219] [2019-11-21 11:05:06,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 11:05:06,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 11:05:06,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207958425] [2019-11-21 11:05:06,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:05:06,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:05:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:05:06,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:05:06,394 INFO L87 Difference]: Start difference. First operand 278 states and 362 transitions. Second operand 5 states. [2019-11-21 11:05:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:05:06,461 INFO L93 Difference]: Finished difference Result 248 states and 301 transitions. [2019-11-21 11:05:06,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:05:06,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-21 11:05:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:05:06,464 INFO L225 Difference]: With dead ends: 248 [2019-11-21 11:05:06,464 INFO L226 Difference]: Without dead ends: 246 [2019-11-21 11:05:06,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 11:05:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-11-21 11:05:06,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2019-11-21 11:05:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-11-21 11:05:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 297 transitions. [2019-11-21 11:05:06,475 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 297 transitions. Word has length 26 [2019-11-21 11:05:06,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:05:06,476 INFO L462 AbstractCegarLoop]: Abstraction has 244 states and 297 transitions. [2019-11-21 11:05:06,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:05:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 297 transitions. [2019-11-21 11:05:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:05:06,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:05:06,477 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:05:06,680 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:05:06,681 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_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, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:05:06,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:05:06,681 INFO L82 PathProgramCache]: Analyzing trace with hash 321010482, now seen corresponding path program 1 times [2019-11-21 11:05:06,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:05:06,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1591988278] [2019-11-21 11:05:06,683 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 11:05:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:05:06,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 11:05:06,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:05:06,987 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:05:06,988 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 11:05:06,988 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:05:07,007 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:05:07,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:05:07,009 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 11:05:07,009 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:05:07,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:05:07,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:05:07,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:05:07,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:05:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:05:13,197 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:05:17,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:05:17,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:05:17,552 INFO L168 Benchmark]: Toolchain (without parser) took 124685.89 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 181.3 MB. Max. memory is 11.5 GB. [2019-11-21 11:05:17,553 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:05:17,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:05:17,554 INFO L168 Benchmark]: Boogie Preprocessor took 124.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-21 11:05:17,555 INFO L168 Benchmark]: RCFGBuilder took 1801.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:05:17,556 INFO L168 Benchmark]: TraceAbstraction took 121783.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:05:17,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 964.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.99 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1801.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 121783.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...