./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f 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_test17_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85051d52521692aaf1a0de9e5f8f895724c83314 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-701f399 [2019-11-22 10:06:58,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 10:06:58,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 10:06:58,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 10:06:58,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 10:06:58,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 10:06:58,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 10:06:58,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 10:06:58,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 10:06:58,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 10:06:58,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 10:06:58,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 10:06:58,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 10:06:58,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 10:06:58,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 10:06:58,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 10:06:58,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 10:06:58,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 10:06:58,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 10:06:58,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 10:06:58,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 10:06:58,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 10:06:58,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 10:06:58,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 10:06:58,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 10:06:58,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 10:06:58,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 10:06:58,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 10:06:58,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 10:06:58,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 10:06:58,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 10:06:58,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 10:06:58,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 10:06:58,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 10:06:58,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 10:06:58,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 10:06:58,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 10:06:58,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 10:06:58,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 10:06:58,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 10:06:58,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 10:06:58,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 10:06:58,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 10:06:58,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 10:06:58,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 10:06:58,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 10:06:58,560 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 10:06:58,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 10:06:58,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 10:06:58,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 10:06:58,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 10:06:58,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 10:06:58,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 10:06:58,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 10:06:58,564 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 10:06:58,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 10:06:58,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 10:06:58,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 10:06:58,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 10:06:58,565 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:58,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 10:06:58,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 10:06:58,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 10:06:58,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 10:06:58,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 10:06:58,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 10:06:58,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:06:58,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 10:06:58,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 10:06:58,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 10:06:58,571 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 10:06:58,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 10:06:58,572 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-22 10:06:58,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 10:06:58,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 10:06:58,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 10:06:58,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 10:06:58,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 10:06:58,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-22 10:06:58,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a641681/b9a7884aacd9470192d5cbe5a24a0475/FLAGa68d9da11 [2019-11-22 10:06:59,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 10:06:59,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-22 10:06:59,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a641681/b9a7884aacd9470192d5cbe5a24a0475/FLAGa68d9da11 [2019-11-22 10:06:59,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a641681/b9a7884aacd9470192d5cbe5a24a0475 [2019-11-22 10:06:59,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 10:06:59,764 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 10:06:59,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 10:06:59,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 10:06:59,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 10:06:59,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:59" (1/1) ... [2019-11-22 10:06:59,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de1b4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:59, skipping insertion in model container [2019-11-22 10:06:59,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:59" (1/1) ... [2019-11-22 10:06:59,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 10:06:59,841 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:07:00,320 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,321 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 10:07:00,321 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,349 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,349 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 10:07:00,350 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,354 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,355 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 10:07:00,355 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,359 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,360 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 10:07:00,360 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,398 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,398 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 10:07:00,399 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,415 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,416 INFO L968 CHandler]: at location: C: (struct A17 *)ldv_malloc(sizeof(struct A17)) [766] [2019-11-22 10:07:00,416 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,432 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:07:00,433 INFO L968 CHandler]: at location: C: (struct A17 **)ldv_malloc(sizeof(struct A17*)*len) [787] [2019-11-22 10:07:00,433 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:07:00,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:00,467 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 10:07:00,495 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:07:00,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:00,607 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 10:07:00,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:07:00,795 INFO L205 MainTranslator]: Completed translation [2019-11-22 10:07:00,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00 WrapperNode [2019-11-22 10:07:00,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 10:07:00,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 10:07:00,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 10:07:00,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 10:07:00,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (1/1) ... [2019-11-22 10:07:00,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 10:07:00,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 10:07:00,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 10:07:00,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 10:07:00,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (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 [2019-11-22 10:07:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 10:07:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 10:07:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:07:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:07:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 10:07:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 10:07:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 10:07:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 10:07:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 10:07:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 10:07:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 10:07:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 10:07:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 10:07:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 10:07:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 10:07:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 10:07:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 10:07:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 10:07:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 10:07:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 10:07:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 10:07:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 10:07:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 10:07:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 10:07:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 10:07:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 10:07:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 10:07:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-22 10:07:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-22 10:07:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 10:07:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 10:07:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 10:07:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 10:07:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 10:07:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 10:07:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 10:07:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 10:07:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 10:07:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 10:07:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 10:07:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 10:07:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 10:07:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 10:07:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 10:07:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 10:07:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 10:07:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 10:07:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 10:07:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 10:07:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 10:07:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 10:07:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 10:07:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 10:07:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 10:07:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 10:07:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 10:07:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 10:07:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 10:07:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 10:07:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 10:07:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 10:07:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 10:07:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 10:07:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 10:07:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 10:07:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 10:07:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 10:07:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 10:07:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 10:07:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 10:07:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 10:07:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 10:07:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 10:07:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 10:07:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 10:07:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 10:07:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 10:07:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 10:07:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 10:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 10:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 10:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 10:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 10:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 10:07:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 10:07:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 10:07:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 10:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 10:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 10:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 10:07:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 10:07:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 10:07:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 10:07:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 10:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 10:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 10:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 10:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 10:07:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 10:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 10:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 10:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 10:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 10:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 10:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 10:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 10:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 10:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 10:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 10:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 10:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 10:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 10:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 10:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 10:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 10:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 10:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 10:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 10:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 10:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 10:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 10:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 10:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 10:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 10:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 10:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 10:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 10:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 10:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 10:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 10:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 10:07:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 10:07:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 10:07:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 10:07:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 10:07:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 10:07:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 10:07:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 10:07:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 10:07:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 10:07:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 10:07:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 10:07:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 10:07:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 10:07:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 10:07:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 10:07:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 10:07:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:07:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 10:07:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 10:07:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 10:07:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 10:07:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 10:07:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 10:07:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 10:07:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 10:07:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 10:07:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 10:07:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 10:07:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 10:07:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 10:07:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 10:07:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 10:07:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 10:07:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 10:07:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 10:07:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 10:07:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 10:07:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 10:07:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:07:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 10:07:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 10:07:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 10:07:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 10:07:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 10:07:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 10:07:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 10:07:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 10:07:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 10:07:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 10:07:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 10:07:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 10:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 10:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 10:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-22 10:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-22 10:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 10:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 10:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 10:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 10:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 10:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 10:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 10:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 10:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 10:07:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 10:07:01,741 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:07:02,097 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:07:02,627 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 10:07:02,627 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-22 10:07:02,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:07:02 BoogieIcfgContainer [2019-11-22 10:07:02,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 10:07:02,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 10:07:02,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 10:07:02,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 10:07:02,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:06:59" (1/3) ... [2019-11-22 10:07:02,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc99655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:07:02, skipping insertion in model container [2019-11-22 10:07:02,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:07:00" (2/3) ... [2019-11-22 10:07:02,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc99655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:07:02, skipping insertion in model container [2019-11-22 10:07:02,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:07:02" (3/3) ... [2019-11-22 10:07:02,636 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2019-11-22 10:07:02,646 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 10:07:02,657 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-11-22 10:07:02,671 INFO L249 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-11-22 10:07:02,696 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 10:07:02,696 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 10:07:02,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 10:07:02,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 10:07:02,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 10:07:02,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 10:07:02,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 10:07:02,697 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 10:07:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-22 10:07:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 10:07:02,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:02,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:02,729 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:02,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:02,736 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2019-11-22 10:07:02,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:02,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [797410458] [2019-11-22 10:07:02,748 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 [2019-11-22 10:07:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:03,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 10:07:03,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:03,207 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 [2019-11-22 10:07:03,208 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:03,224 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:03,225 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:03,225 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:03,354 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:04,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [797410458] [2019-11-22 10:07:04,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:04,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-22 10:07:04,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626621943] [2019-11-22 10:07:04,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-22 10:07:04,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:04,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-22 10:07:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-22 10:07:04,223 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 14 states. [2019-11-22 10:07:05,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:05,469 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-22 10:07:05,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:07:05,471 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-22 10:07:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:05,484 INFO L225 Difference]: With dead ends: 91 [2019-11-22 10:07:05,485 INFO L226 Difference]: Without dead ends: 88 [2019-11-22 10:07:05,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2019-11-22 10:07:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-22 10:07:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2019-11-22 10:07:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-22 10:07:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2019-11-22 10:07:05,543 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2019-11-22 10:07:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:05,544 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2019-11-22 10:07:05,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-22 10:07:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2019-11-22 10:07:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 10:07:05,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:05,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:05,750 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:05,751 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:05,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:05,751 INFO L82 PathProgramCache]: Analyzing trace with hash -200276896, now seen corresponding path program 1 times [2019-11-22 10:07:05,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:05,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [766203130] [2019-11-22 10:07:05,752 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 [2019-11-22 10:07:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:06,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:06,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:06,063 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 [2019-11-22 10:07:06,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:06,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:06,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:06,068 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:06,089 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:06,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [766203130] [2019-11-22 10:07:06,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:06,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:07:06,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21885556] [2019-11-22 10:07:06,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:06,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:06,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:06,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:06,142 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 5 states. [2019-11-22 10:07:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:06,338 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2019-11-22 10:07:06,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:06,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-22 10:07:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:06,341 INFO L225 Difference]: With dead ends: 83 [2019-11-22 10:07:06,342 INFO L226 Difference]: Without dead ends: 83 [2019-11-22 10:07:06,342 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 [2019-11-22 10:07:06,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-22 10:07:06,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-22 10:07:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-22 10:07:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2019-11-22 10:07:06,353 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 16 [2019-11-22 10:07:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:06,354 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2019-11-22 10:07:06,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2019-11-22 10:07:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 10:07:06,355 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:06,355 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:06,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:06,560 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:06,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:06,560 INFO L82 PathProgramCache]: Analyzing trace with hash 687226786, now seen corresponding path program 1 times [2019-11-22 10:07:06,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:06,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1277053833] [2019-11-22 10:07:06,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 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 [2019-11-22 10:07:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:06,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:07:06,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:06,811 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:06,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1277053833] [2019-11-22 10:07:06,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:06,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:07:06,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919008901] [2019-11-22 10:07:06,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:06,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:06,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:06,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:06,850 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 5 states. [2019-11-22 10:07:06,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:06,893 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2019-11-22 10:07:06,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:06,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-22 10:07:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:06,897 INFO L225 Difference]: With dead ends: 78 [2019-11-22 10:07:06,897 INFO L226 Difference]: Without dead ends: 78 [2019-11-22 10:07:06,898 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 [2019-11-22 10:07:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-22 10:07:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-22 10:07:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-22 10:07:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-22 10:07:06,906 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2019-11-22 10:07:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:06,906 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-22 10:07:06,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-22 10:07:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:07:06,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:06,907 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:07,110 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:07,111 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:07,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1913632700, now seen corresponding path program 1 times [2019-11-22 10:07:07,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:07,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [830147896] [2019-11-22 10:07:07,113 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 [2019-11-22 10:07:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:07,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:07,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:07,361 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:07,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [830147896] [2019-11-22 10:07:07,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:07,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:07:07,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811268266] [2019-11-22 10:07:07,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:07,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:07,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:07,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:07,443 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2019-11-22 10:07:07,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:07,490 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2019-11-22 10:07:07,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:07,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 10:07:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:07,493 INFO L225 Difference]: With dead ends: 78 [2019-11-22 10:07:07,493 INFO L226 Difference]: Without dead ends: 78 [2019-11-22 10:07:07,493 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-22 10:07:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-22 10:07:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-22 10:07:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2019-11-22 10:07:07,506 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 17 [2019-11-22 10:07:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:07,507 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2019-11-22 10:07:07,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2019-11-22 10:07:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:07:07,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:07,508 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:07,710 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:07,711 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:07,712 INFO L82 PathProgramCache]: Analyzing trace with hash -170822365, now seen corresponding path program 1 times [2019-11-22 10:07:07,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:07,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1801226543] [2019-11-22 10:07:07,713 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 [2019-11-22 10:07:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:07,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 10:07:07,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:07,950 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:08,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1801226543] [2019-11-22 10:07:08,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:08,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 10:07:08,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686003037] [2019-11-22 10:07:08,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 10:07:08,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:08,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 10:07:08,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:07:08,008 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 3 states. [2019-11-22 10:07:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:08,168 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-11-22 10:07:08,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 10:07:08,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-22 10:07:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:08,170 INFO L225 Difference]: With dead ends: 114 [2019-11-22 10:07:08,171 INFO L226 Difference]: Without dead ends: 109 [2019-11-22 10:07:08,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:07:08,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-22 10:07:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2019-11-22 10:07:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-22 10:07:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-11-22 10:07:08,185 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 17 [2019-11-22 10:07:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:08,189 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-11-22 10:07:08,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 10:07:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-11-22 10:07:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-22 10:07:08,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:08,191 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:08,394 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:08,395 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:08,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:08,396 INFO L82 PathProgramCache]: Analyzing trace with hash -73256383, now seen corresponding path program 1 times [2019-11-22 10:07:08,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:08,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [240310829] [2019-11-22 10:07:08,397 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 [2019-11-22 10:07:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:08,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 10:07:08,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:08,702 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 [2019-11-22 10:07:08,702 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:08,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:08,708 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:08,708 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:08,827 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:09,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [240310829] [2019-11-22 10:07:09,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:09,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-22 10:07:09,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034545249] [2019-11-22 10:07:09,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 10:07:09,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:09,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 10:07:09,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-22 10:07:09,884 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 18 states. [2019-11-22 10:07:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:11,782 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-22 10:07:11,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-22 10:07:11,783 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-22 10:07:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:11,784 INFO L225 Difference]: With dead ends: 91 [2019-11-22 10:07:11,785 INFO L226 Difference]: Without dead ends: 91 [2019-11-22 10:07:11,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-22 10:07:11,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-22 10:07:11,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2019-11-22 10:07:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-22 10:07:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2019-11-22 10:07:11,795 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 22 [2019-11-22 10:07:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:11,795 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2019-11-22 10:07:11,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 10:07:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2019-11-22 10:07:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-22 10:07:11,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:11,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:12,000 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:12,001 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:12,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1067902475, now seen corresponding path program 1 times [2019-11-22 10:07:12,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:12,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [468094078] [2019-11-22 10:07:12,003 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 [2019-11-22 10:07:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:12,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 10:07:12,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:12,362 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:12,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [468094078] [2019-11-22 10:07:12,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:12,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-22 10:07:12,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129398591] [2019-11-22 10:07:12,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-22 10:07:12,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:12,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-22 10:07:12,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-22 10:07:12,492 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 12 states. [2019-11-22 10:07:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:12,868 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2019-11-22 10:07:12,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-22 10:07:12,869 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-22 10:07:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:12,870 INFO L225 Difference]: With dead ends: 92 [2019-11-22 10:07:12,870 INFO L226 Difference]: Without dead ends: 92 [2019-11-22 10:07:12,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2019-11-22 10:07:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-22 10:07:12,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2019-11-22 10:07:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-22 10:07:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-22 10:07:12,879 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 35 [2019-11-22 10:07:12,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:12,879 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-22 10:07:12,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-22 10:07:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-22 10:07:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 10:07:12,880 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:12,880 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:13,083 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:13,084 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:13,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:13,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1190057473, now seen corresponding path program 2 times [2019-11-22 10:07:13,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:13,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [390239964] [2019-11-22 10:07:13,086 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2019-11-22 10:07:13,414 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-22 10:07:13,414 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:13,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-22 10:07:13,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:13,437 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 [2019-11-22 10:07:13,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:13,446 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:13,446 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:13,446 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:13,706 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:15,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [390239964] [2019-11-22 10:07:15,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:15,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2019-11-22 10:07:15,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844034704] [2019-11-22 10:07:15,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-22 10:07:15,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:15,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-22 10:07:15,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2019-11-22 10:07:15,836 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 26 states. [2019-11-22 10:07:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:18,782 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-11-22 10:07:18,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-22 10:07:18,785 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 34 [2019-11-22 10:07:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:18,786 INFO L225 Difference]: With dead ends: 102 [2019-11-22 10:07:18,786 INFO L226 Difference]: Without dead ends: 102 [2019-11-22 10:07:18,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=291, Invalid=1349, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 10:07:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-22 10:07:18,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2019-11-22 10:07:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-22 10:07:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2019-11-22 10:07:18,794 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 34 [2019-11-22 10:07:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:18,795 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2019-11-22 10:07:18,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-22 10:07:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2019-11-22 10:07:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-22 10:07:18,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:18,797 INFO L410 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:19,000 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:19,001 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:19,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:19,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1336138177, now seen corresponding path program 3 times [2019-11-22 10:07:19,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:19,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [179803091] [2019-11-22 10:07:19,003 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2019-11-22 10:07:19,562 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-11-22 10:07:19,562 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:19,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-22 10:07:19,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:19,591 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 [2019-11-22 10:07:19,591 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:19,596 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:19,597 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:19,597 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:07:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:20,193 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:21,694 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-11-22 10:07:21,999 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-11-22 10:07:22,867 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-11-22 10:07:23,606 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-22 10:07:24,160 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-22 10:07:26,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-22 10:07:27,187 WARN L192 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-11-22 10:07:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:28,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [179803091] [2019-11-22 10:07:28,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:28,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 38 [2019-11-22 10:07:28,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847116959] [2019-11-22 10:07:28,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-11-22 10:07:28,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:28,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-11-22 10:07:28,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2019-11-22 10:07:28,052 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand 38 states. [2019-11-22 10:07:28,931 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-11-22 10:07:29,720 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-22 10:07:34,014 WARN L192 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 133 [2019-11-22 10:07:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:36,613 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2019-11-22 10:07:36,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:07:36,614 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 46 [2019-11-22 10:07:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:36,615 INFO L225 Difference]: With dead ends: 98 [2019-11-22 10:07:36,615 INFO L226 Difference]: Without dead ends: 98 [2019-11-22 10:07:36,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 49 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=358, Invalid=1364, Unknown=0, NotChecked=0, Total=1722 [2019-11-22 10:07:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-22 10:07:36,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-11-22 10:07:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-22 10:07:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2019-11-22 10:07:36,629 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 46 [2019-11-22 10:07:36,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:36,633 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2019-11-22 10:07:36,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-11-22 10:07:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2019-11-22 10:07:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-22 10:07:36,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:36,638 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:36,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,839 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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:36,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1488841808, now seen corresponding path program 2 times [2019-11-22 10:07:36,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:36,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [250648210] [2019-11-22 10:07:36,842 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2019-11-22 10:07:37,108 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:07:37,108 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:07:37,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:37,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:07:37,151 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:07:37,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [250648210] [2019-11-22 10:07:37,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:37,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-22 10:07:37,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159493322] [2019-11-22 10:07:37,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 10:07:37,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:37,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 10:07:37,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:07:37,276 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 7 states. [2019-11-22 10:07:37,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:37,398 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2019-11-22 10:07:37,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:07:37,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-22 10:07:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:37,401 INFO L225 Difference]: With dead ends: 127 [2019-11-22 10:07:37,401 INFO L226 Difference]: Without dead ends: 124 [2019-11-22 10:07:37,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:07:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-22 10:07:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2019-11-22 10:07:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-22 10:07:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2019-11-22 10:07:37,415 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 56 [2019-11-22 10:07:37,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:37,417 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2019-11-22 10:07:37,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 10:07:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2019-11-22 10:07:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-22 10:07:37,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:37,420 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:37,620 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,621 INFO L410 AbstractCegarLoop]: === Iteration 11 === [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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:37,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:37,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535094, now seen corresponding path program 1 times [2019-11-22 10:07:37,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:37,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1496834528] [2019-11-22 10:07:37,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:38,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-22 10:07:38,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:38,058 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 [2019-11-22 10:07:38,058 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:38,060 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,060 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:38,168 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:38,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-22 10:07:38,171 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,191 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 10:07:38,192 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. [2019-11-22 10:07:38,192 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-22 10:07:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:07:38,229 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-22 10:07:40,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1496834528] [2019-11-22 10:07:40,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-22 10:07:40,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-11-22 10:07:40,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210403904] [2019-11-22 10:07:40,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 10:07:40,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:40,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 10:07:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-11-22 10:07:40,511 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 8 states. [2019-11-22 10:07:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:55,496 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-11-22 10:07:55,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 10:07:55,497 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-22 10:07:55,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:55,498 INFO L225 Difference]: With dead ends: 149 [2019-11-22 10:07:55,498 INFO L226 Difference]: Without dead ends: 149 [2019-11-22 10:07:55,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=83, Invalid=378, Unknown=1, NotChecked=0, Total=462 [2019-11-22 10:07:55,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-22 10:07:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 103. [2019-11-22 10:07:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-22 10:07:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 112 transitions. [2019-11-22 10:07:55,505 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 112 transitions. Word has length 56 [2019-11-22 10:07:55,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:55,506 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 112 transitions. [2019-11-22 10:07:55,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 10:07:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2019-11-22 10:07:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-22 10:07:55,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:55,508 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:55,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:55,710 INFO L410 AbstractCegarLoop]: === Iteration 12 === [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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:55,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535093, now seen corresponding path program 1 times [2019-11-22 10:07:55,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:55,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [525187883] [2019-11-22 10:07:55,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:56,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-22 10:07:56,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:56,205 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 [2019-11-22 10:07:56,205 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:56,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:56,218 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 [2019-11-22 10:07:56,218 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:56,228 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:56,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:56,229 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 10:07:58,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:07:58,424 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 14 treesize of output 16 [2019-11-22 10:07:58,425 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:58,446 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:58,460 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:58,460 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 11 treesize of output 15 [2019-11-22 10:07:58,461 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:58,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:58,476 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:58,476 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:12 [2019-11-22 10:07:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:07:58,512 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:58,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:07:59,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:07:59,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:07:59,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:05,272 WARN L192 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-22 10:08:05,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:08,817 WARN L192 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-11-22 10:08:10,003 INFO L392 ElimStorePlain]: Different costs {1=[|v_#valid_254|], 2=[|v_#length_218|]} [2019-11-22 10:08:10,010 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 [2019-11-22 10:08:10,011 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:10,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:10,030 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:08:10,031 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:10,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:10,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:10,039 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-22 10:08:10,626 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 10:08:10,635 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 [2019-11-22 10:08:10,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:10,653 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:10,655 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:08:10,656 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:10,674 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:10,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:08:10,675 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-22 10:08:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:08:10,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [525187883] [2019-11-22 10:08:10,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:08:10,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-22 10:08:10,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019213096] [2019-11-22 10:08:10,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-22 10:08:10,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:10,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-22 10:08:10,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=406, Unknown=4, NotChecked=0, Total=462 [2019-11-22 10:08:10,840 INFO L87 Difference]: Start difference. First operand 103 states and 112 transitions. Second operand 22 states. [2019-11-22 10:08:35,530 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_45| (_ BitVec 32)) (v_ldv_malloc_~size_53 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_45|)) (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_45| v_ldv_malloc_~size_53) v_alloc_17_~array.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)))))) (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((|v_ldv_malloc_#t~malloc12.base_46| (_ BitVec 32)) (v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32))) (let ((.cse2 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse3 (bvadd .cse2 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_45| (_ BitVec 32)) (v_ldv_malloc_~size_53 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_45|)) (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_45| v_ldv_malloc_~size_53) v_alloc_17_~array.base_BEFORE_CALL_4))))) (not (bvule (bvadd .cse2 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse3)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_46|) (_ bv0 1))) (bvule .cse3 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_46| ldv_malloc_~size) v_alloc_17_~array.base_BEFORE_CALL_4)))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (exists ((v_prenex_8 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_8) (_ bv0 1)))) is different from false [2019-11-22 10:08:39,601 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_45| (_ BitVec 32)) (v_ldv_malloc_~size_53 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_45|)) (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_45| v_ldv_malloc_~size_53) v_alloc_17_~array.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (exists ((v_prenex_8 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_8) (_ bv0 1)))) is different from false [2019-11-22 10:08:47,179 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-22 10:09:15,132 WARN L192 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-22 10:09:52,778 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-22 10:09:57,148 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 1) (select |c_#valid| c_alloc_17_~array.base)) (= (_ bv40 32) (select |c_#length| c_alloc_17_~array.base)) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_45| (_ BitVec 32)) (v_ldv_malloc_~size_53 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_45|)) (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_45| v_ldv_malloc_~size_53) v_alloc_17_~array.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (_ bv40 32) (select |c_#length| |c_alloc_17_#in~array.base|)) (= |c_#valid| |c_old(#valid)|) (= |c_old(#length)| |c_#length|) (= c_alloc_17_~array.offset (_ bv0 32)) (exists ((v_prenex_8 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_8) (_ bv0 1))) (= (_ bv0 32) c_alloc_17_~i~0) (= (_ bv1 1) (select |c_#valid| |c_alloc_17_#in~array.base|)) (= |c_alloc_17_#in~array.offset| (_ bv0 32))) is different from false [2019-11-22 10:10:07,023 WARN L192 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2019-11-22 10:10:17,610 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_45| (_ BitVec 32)) (v_ldv_malloc_~size_53 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_45|)) (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_45| v_ldv_malloc_~size_53) v_alloc_17_~array.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (_ bv40 32) (select |c_#length| |c_alloc_17_#in~array.base|)) (= |c_#valid| |c_old(#valid)|) (= |c_old(#length)| |c_#length|) (exists ((v_prenex_8 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_8) (_ bv0 1))) (= (_ bv1 1) (select |c_#valid| |c_alloc_17_#in~array.base|)) (= |c_alloc_17_#in~array.offset| (_ bv0 32))) is different from false [2019-11-22 10:10:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:17,888 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2019-11-22 10:10:17,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:10:17,889 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-22 10:10:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:17,892 INFO L225 Difference]: With dead ends: 241 [2019-11-22 10:10:17,892 INFO L226 Difference]: Without dead ends: 241 [2019-11-22 10:10:17,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 44.6s TimeCoverageRelationStatistics Valid=126, Invalid=746, Unknown=14, NotChecked=236, Total=1122 [2019-11-22 10:10:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2019-11-22 10:10:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 113. [2019-11-22 10:10:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-22 10:10:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 129 transitions. [2019-11-22 10:10:17,901 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 129 transitions. Word has length 56 [2019-11-22 10:10:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:17,901 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 129 transitions. [2019-11-22 10:10:17,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-22 10:10:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2019-11-22 10:10:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 10:10:17,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:17,903 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:18,106 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:18,107 INFO L410 AbstractCegarLoop]: === Iteration 13 === [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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:18,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1207954601, now seen corresponding path program 1 times [2019-11-22 10:10:18,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:18,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1689196093] [2019-11-22 10:10:18,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:18,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:10:18,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-22 10:10:18,415 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-22 10:10:18,454 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1689196093] [2019-11-22 10:10:18,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:18,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:10:18,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207099018] [2019-11-22 10:10:18,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:10:18,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:18,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:10:18,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:18,456 INFO L87 Difference]: Start difference. First operand 113 states and 129 transitions. Second operand 5 states. [2019-11-22 10:10:18,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:18,512 INFO L93 Difference]: Finished difference Result 133 states and 153 transitions. [2019-11-22 10:10:18,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:10:18,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-22 10:10:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:18,515 INFO L225 Difference]: With dead ends: 133 [2019-11-22 10:10:18,515 INFO L226 Difference]: Without dead ends: 133 [2019-11-22 10:10:18,515 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:10:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-22 10:10:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 117. [2019-11-22 10:10:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-22 10:10:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 132 transitions. [2019-11-22 10:10:18,523 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 132 transitions. Word has length 58 [2019-11-22 10:10:18,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:18,523 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 132 transitions. [2019-11-22 10:10:18,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:10:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 132 transitions. [2019-11-22 10:10:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 10:10:18,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:18,527 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:18,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:18,728 INFO L410 AbstractCegarLoop]: === Iteration 14 === [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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:18,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:18,729 INFO L82 PathProgramCache]: Analyzing trace with hash 534855734, now seen corresponding path program 1 times [2019-11-22 10:10:18,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:18,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [242086775] [2019-11-22 10:10:18,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:19,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 10:10:19,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-22 10:10:19,154 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-22 10:10:19,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [242086775] [2019-11-22 10:10:19,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:19,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 10:10:19,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829526240] [2019-11-22 10:10:19,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 10:10:19,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:19,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 10:10:19,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:10:19,189 INFO L87 Difference]: Start difference. First operand 117 states and 132 transitions. Second operand 6 states. [2019-11-22 10:10:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:19,295 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2019-11-22 10:10:19,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:10:19,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-22 10:10:19,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:19,298 INFO L225 Difference]: With dead ends: 124 [2019-11-22 10:10:19,298 INFO L226 Difference]: Without dead ends: 124 [2019-11-22 10:10:19,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:10:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-22 10:10:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 119. [2019-11-22 10:10:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-22 10:10:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2019-11-22 10:10:19,303 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 58 [2019-11-22 10:10:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:19,304 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2019-11-22 10:10:19,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 10:10:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2019-11-22 10:10:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-22 10:10:19,305 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:19,305 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:19,508 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:19,509 INFO L410 AbstractCegarLoop]: === Iteration 15 === [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, __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_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, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 926469409, now seen corresponding path program 1 times [2019-11-22 10:10:19,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:19,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [295210045] [2019-11-22 10:10:19,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:19,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-22 10:10:19,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:19,924 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 [2019-11-22 10:10:19,925 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:19,927 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:19,927 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:19,927 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:10:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-22 10:10:19,987 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:20,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:20,270 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 10:10:20,275 INFO L168 Benchmark]: Toolchain (without parser) took 200511.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:20,275 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:10:20,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1034.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:20,276 INFO L168 Benchmark]: Boogie Preprocessor took 133.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:20,277 INFO L168 Benchmark]: RCFGBuilder took 1695.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.2 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:20,277 INFO L168 Benchmark]: TraceAbstraction took 197643.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -93.2 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:20,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1034.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1695.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.2 MB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 197643.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -93.2 MB). Peak memory consumption was 107.1 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...