./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.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 041177a9b9f9d56d6ca6291d997bf38d41f568ad --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 12:59:00,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 12:59:00,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 12:59:00,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 12:59:00,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 12:59:00,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 12:59:00,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 12:59:00,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 12:59:00,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 12:59:00,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 12:59:00,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 12:59:00,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 12:59:00,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 12:59:00,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 12:59:00,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 12:59:00,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 12:59:00,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 12:59:00,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 12:59:00,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 12:59:00,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 12:59:00,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 12:59:00,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 12:59:00,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 12:59:00,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 12:59:00,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 12:59:00,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 12:59:00,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 12:59:00,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 12:59:00,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 12:59:00,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 12:59:00,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 12:59:00,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 12:59:00,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 12:59:00,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 12:59:00,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 12:59:00,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 12:59:00,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 12:59:00,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 12:59:00,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 12:59:00,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 12:59:00,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 12:59:00,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 12:59:00,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 12:59:00,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 12:59:00,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 12:59:00,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 12:59:00,726 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 12:59:00,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 12:59:00,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 12:59:00,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 12:59:00,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 12:59:00,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 12:59:00,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 12:59:00,729 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 12:59:00,729 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 12:59:00,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 12:59:00,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 12:59:00,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 12:59:00,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:00,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 12:59:00,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 12:59:00,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 12:59:00,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 12:59:00,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 12:59:00,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 12:59:00,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:59:00,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 12:59:00,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 12:59:00,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 12:59:00,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 12:59:00,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 12:59:00,734 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 -> 041177a9b9f9d56d6ca6291d997bf38d41f568ad Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 12:59:01,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 12:59:01,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 12:59:01,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 12:59:01,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 12:59:01,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 12:59:01,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-21 12:59:01,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfe03929/fef8d89749a84aa4a8336b0aff7b08e3/FLAG9d869c381 [2019-11-21 12:59:01,761 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 12:59:01,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2019-11-21 12:59:01,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfe03929/fef8d89749a84aa4a8336b0aff7b08e3/FLAG9d869c381 [2019-11-21 12:59:01,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfe03929/fef8d89749a84aa4a8336b0aff7b08e3 [2019-11-21 12:59:01,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 12:59:01,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 12:59:01,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 12:59:01,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 12:59:02,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 12:59:02,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:59:01" (1/1) ... [2019-11-21 12:59:02,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f148de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02, skipping insertion in model container [2019-11-21 12:59:02,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:59:01" (1/1) ... [2019-11-21 12:59:02,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 12:59:02,073 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:59:02,560 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,561 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 12:59:02,561 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,577 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,578 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 12:59:02,578 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,580 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,581 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 12:59:02,581 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,583 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,583 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 12:59:02,584 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,617 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,623 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 12:59:02,624 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,645 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,646 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [768] [2019-11-21 12:59:02,646 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,653 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,653 INFO L969 CHandler]: at location: C: (struct A10 *)ldv_malloc(sizeof(struct A10)) [774] [2019-11-21 12:59:02,653 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,654 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,655 INFO L969 CHandler]: at location: C: (struct B10 *)ldv_malloc(sizeof(struct B10)) [776] [2019-11-21 12:59:02,655 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,665 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:59:02,666 INFO L969 CHandler]: at location: C: (struct C10 *)ldv_malloc(sizeof(struct C10)) [778] [2019-11-21 12:59:02,667 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:59:02,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:59:02,695 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 12:59:02,711 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:59:02,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:59:02,793 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 12:59:02,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:59:02,985 INFO L205 MainTranslator]: Completed translation [2019-11-21 12:59:02,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02 WrapperNode [2019-11-21 12:59:02,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 12:59:02,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 12:59:02,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 12:59:02,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 12:59:03,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... [2019-11-21 12:59:03,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 12:59:03,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 12:59:03,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 12:59:03,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 12:59:03,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:59:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 12:59:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 12:59:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:59:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 12:59:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 12:59:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 12:59:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 12:59:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 12:59:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 12:59:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 12:59:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 12:59:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 12:59:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 12:59:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 12:59:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 12:59:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 12:59:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 12:59:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 12:59:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 12:59:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 12:59:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 12:59:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 12:59:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 12:59:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 12:59:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 12:59:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 12:59:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-21 12:59:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-21 12:59:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 12:59:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 12:59:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 12:59:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 12:59:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 12:59:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 12:59:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 12:59:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 12:59:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 12:59:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 12:59:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 12:59:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 12:59:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 12:59:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 12:59:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 12:59:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 12:59:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 12:59:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 12:59:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 12:59:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 12:59:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 12:59:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 12:59:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 12:59:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 12:59:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 12:59:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 12:59:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 12:59:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 12:59:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 12:59:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 12:59:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 12:59:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 12:59:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 12:59:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 12:59:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 12:59:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 12:59:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 12:59:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 12:59:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 12:59:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 12:59:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 12:59:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 12:59:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 12:59:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 12:59:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 12:59:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 12:59:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 12:59:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 12:59:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 12:59:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 12:59:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 12:59:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 12:59:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 12:59:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 12:59:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 12:59:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 12:59:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 12:59:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 12:59:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 12:59:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 12:59:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 12:59:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 12:59:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-21 12:59:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 12:59:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 12:59:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 12:59:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 12:59:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 12:59:03,887 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:59:04,354 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:59:04,887 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 12:59:04,887 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 12:59:04,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:59:04 BoogieIcfgContainer [2019-11-21 12:59:04,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 12:59:04,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 12:59:04,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 12:59:04,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 12:59:04,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:59:01" (1/3) ... [2019-11-21 12:59:04,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a31f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:59:04, skipping insertion in model container [2019-11-21 12:59:04,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:59:02" (2/3) ... [2019-11-21 12:59:04,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a31f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:59:04, skipping insertion in model container [2019-11-21 12:59:04,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:59:04" (3/3) ... [2019-11-21 12:59:04,900 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-1.i [2019-11-21 12:59:04,912 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 12:59:04,922 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-21 12:59:04,935 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-21 12:59:04,959 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 12:59:04,959 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 12:59:04,959 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 12:59:04,959 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 12:59:04,960 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 12:59:04,960 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 12:59:04,960 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 12:59:04,960 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 12:59:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-11-21 12:59:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 12:59:04,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:59:04,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:59:04,999 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:59:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:59:05,007 INFO L82 PathProgramCache]: Analyzing trace with hash 727722691, now seen corresponding path program 1 times [2019-11-21 12:59:05,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:59:05,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [397361801] [2019-11-21 12:59:05,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:59:05,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:59:05,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:59:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:05,401 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:59:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:05,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [397361801] [2019-11-21 12:59:05,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:59:05,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:59:05,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089857685] [2019-11-21 12:59:05,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:59:05,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:59:05,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:59:05,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:59:05,533 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 5 states. [2019-11-21 12:59:05,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:59:05,784 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2019-11-21 12:59:05,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:59:05,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 12:59:05,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:59:05,800 INFO L225 Difference]: With dead ends: 143 [2019-11-21 12:59:05,800 INFO L226 Difference]: Without dead ends: 140 [2019-11-21 12:59:05,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:59:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-21 12:59:05,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 87. [2019-11-21 12:59:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-21 12:59:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2019-11-21 12:59:05,869 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 16 [2019-11-21 12:59:05,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:59:05,870 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2019-11-21 12:59:05,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:59:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2019-11-21 12:59:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 12:59:05,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:59:05,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:59:06,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:06,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:59:06,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:59:06,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1824434270, now seen corresponding path program 1 times [2019-11-21 12:59:06,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:59:06,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [843494485] [2019-11-21 12:59:06,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:59:06,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:59:06,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:59:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:06,316 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:59:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:06,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [843494485] [2019-11-21 12:59:06,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:59:06,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 12:59:06,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379538911] [2019-11-21 12:59:06,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 12:59:06,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:59:06,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 12:59:06,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 12:59:06,379 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand 3 states. [2019-11-21 12:59:06,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:59:06,662 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2019-11-21 12:59:06,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 12:59:06,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 12:59:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:59:06,665 INFO L225 Difference]: With dead ends: 148 [2019-11-21 12:59:06,665 INFO L226 Difference]: Without dead ends: 145 [2019-11-21 12:59:06,666 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 12:59:06,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-11-21 12:59:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 83. [2019-11-21 12:59:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-21 12:59:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2019-11-21 12:59:06,678 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 16 [2019-11-21 12:59:06,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:59:06,679 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2019-11-21 12:59:06,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 12:59:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2019-11-21 12:59:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 12:59:06,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:59:06,680 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:59:06,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:06,888 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:59:06,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:59:06,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1205565373, now seen corresponding path program 1 times [2019-11-21 12:59:06,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:59:06,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [428870378] [2019-11-21 12:59:06,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:59:07,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 12:59:07,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:59:07,241 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 12:59:07,241 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:07,248 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:07,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:59:07,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:59:07,425 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:07,425 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 [2019-11-21 12:59:07,427 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:07,449 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 12:59:07,451 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 12:59:07,451 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-21 12:59:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:07,482 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:59:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:11,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [428870378] [2019-11-21 12:59:11,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:59:11,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-21 12:59:11,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969592063] [2019-11-21 12:59:11,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 12:59:11,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:59:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 12:59:11,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-21 12:59:11,922 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 13 states. [2019-11-21 12:59:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:59:53,347 INFO L93 Difference]: Finished difference Result 263 states and 291 transitions. [2019-11-21 12:59:53,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 12:59:53,347 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-21 12:59:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:59:53,352 INFO L225 Difference]: With dead ends: 263 [2019-11-21 12:59:53,352 INFO L226 Difference]: Without dead ends: 263 [2019-11-21 12:59:53,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=76, Invalid=265, Unknown=1, NotChecked=0, Total=342 [2019-11-21 12:59:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2019-11-21 12:59:53,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 117. [2019-11-21 12:59:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-21 12:59:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 158 transitions. [2019-11-21 12:59:53,370 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 158 transitions. Word has length 19 [2019-11-21 12:59:53,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:59:53,371 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 158 transitions. [2019-11-21 12:59:53,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 12:59:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2019-11-21 12:59:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 12:59:53,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:59:53,372 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:59:53,573 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:53,574 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:59:53,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:59:53,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1205565374, now seen corresponding path program 1 times [2019-11-21 12:59:53,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:59:53,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1613103202] [2019-11-21 12:59:53,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:59:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:59:53,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 12:59:53,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:59:53,855 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 12:59:53,856 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:53,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:53,872 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 12:59:53,873 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:53,888 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:53,889 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:59:53,889 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 12:59:56,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 12:59:56,058 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 [2019-11-21 12:59:56,058 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:56,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:56,090 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:56,091 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 12:59:56,092 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:59:56,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:59:56,104 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:59:56,104 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-21 12:59:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:59:56,128 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:59:56,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:59:56,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:56,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:59:56,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:56,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:56,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:59:56,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:56,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:56,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:59:59,862 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 12:59:59,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:00:03,012 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 13:00:03,023 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 13:00:03,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:00:03,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:00:03,042 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 13:00:03,043 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:00:03,056 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:00:03,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:00:03,057 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 13:00:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:00:03,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1613103202] [2019-11-21 13:00:03,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:00:03,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 13:00:03,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254687876] [2019-11-21 13:00:03,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 13:00:03,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:00:03,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 13:00:03,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=200, Unknown=2, NotChecked=0, Total=240 [2019-11-21 13:00:03,146 INFO L87 Difference]: Start difference. First operand 117 states and 158 transitions. Second operand 16 states. [2019-11-21 13:00:50,389 WARN L192 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-21 13:01:08,964 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-21 13:01:11,036 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-21 13:02:19,515 WARN L192 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-11-21 13:03:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:12,491 INFO L93 Difference]: Finished difference Result 286 states and 323 transitions. [2019-11-21 13:03:12,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-21 13:03:12,492 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-21 13:03:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:12,495 INFO L225 Difference]: With dead ends: 286 [2019-11-21 13:03:12,495 INFO L226 Difference]: Without dead ends: 286 [2019-11-21 13:03:12,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 35.4s TimeCoverageRelationStatistics Valid=121, Invalid=578, Unknown=3, NotChecked=0, Total=702 [2019-11-21 13:03:12,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-21 13:03:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 142. [2019-11-21 13:03:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-21 13:03:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2019-11-21 13:03:12,517 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 19 [2019-11-21 13:03:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:12,518 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2019-11-21 13:03:12,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 13:03:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2019-11-21 13:03:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 13:03:12,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:12,519 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:03:12,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:12,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:12,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:12,725 INFO L82 PathProgramCache]: Analyzing trace with hash -591385986, now seen corresponding path program 1 times [2019-11-21 13:03:12,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:12,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1802765929] [2019-11-21 13:03:12,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:12,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 13:03:12,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:03:12,988 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:13,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1802765929] [2019-11-21 13:03:13,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 13:03:13,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 13:03:13,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898221607] [2019-11-21 13:03:13,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:03:13,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:13,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:03:13,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:03:13,026 INFO L87 Difference]: Start difference. First operand 142 states and 200 transitions. Second operand 5 states. [2019-11-21 13:03:13,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:13,070 INFO L93 Difference]: Finished difference Result 101 states and 123 transitions. [2019-11-21 13:03:13,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:03:13,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-21 13:03:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:13,072 INFO L225 Difference]: With dead ends: 101 [2019-11-21 13:03:13,072 INFO L226 Difference]: Without dead ends: 99 [2019-11-21 13:03:13,073 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:03:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-21 13:03:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-11-21 13:03:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-21 13:03:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2019-11-21 13:03:13,082 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 19 [2019-11-21 13:03:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:13,082 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2019-11-21 13:03:13,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:03:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2019-11-21 13:03:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:03:13,083 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:13,083 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:03:13,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:13,288 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:13,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:13,288 INFO L82 PathProgramCache]: Analyzing trace with hash -810585154, now seen corresponding path program 1 times [2019-11-21 13:03:13,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:13,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [629355762] [2019-11-21 13:03:13,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:13,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 13:03:13,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:13,577 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-21 13:03:13,577 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:13,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:13,590 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:03:13,591 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-21 13:03:13,601 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 8 [2019-11-21 13:03:13,602 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:13,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:13,605 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:03:13,605 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-21 13:03:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:13,613 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:13,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [629355762] [2019-11-21 13:03:13,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:13,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 13:03:13,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802322140] [2019-11-21 13:03:13,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 13:03:13,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:13,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 13:03:13,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 13:03:13,652 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand 6 states. [2019-11-21 13:03:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:13,832 INFO L93 Difference]: Finished difference Result 102 states and 123 transitions. [2019-11-21 13:03:13,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 13:03:13,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-21 13:03:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:13,835 INFO L225 Difference]: With dead ends: 102 [2019-11-21 13:03:13,835 INFO L226 Difference]: Without dead ends: 102 [2019-11-21 13:03:13,836 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-21 13:03:13,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-21 13:03:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2019-11-21 13:03:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-21 13:03:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 120 transitions. [2019-11-21 13:03:13,844 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 120 transitions. Word has length 24 [2019-11-21 13:03:13,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:13,845 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 120 transitions. [2019-11-21 13:03:13,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 13:03:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2019-11-21 13:03:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:03:13,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:13,846 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:03:14,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:14,052 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:14,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:14,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1676927679, now seen corresponding path program 1 times [2019-11-21 13:03:14,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:14,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1729249442] [2019-11-21 13:03:14,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:14,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 13:03:14,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:14,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:14,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729249442] [2019-11-21 13:03:14,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:03:14,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 13:03:14,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523957420] [2019-11-21 13:03:14,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 13:03:14,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:14,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 13:03:14,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:03:14,518 INFO L87 Difference]: Start difference. First operand 99 states and 120 transitions. Second operand 9 states. [2019-11-21 13:03:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:14,729 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2019-11-21 13:03:14,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 13:03:14,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 13:03:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:14,732 INFO L225 Difference]: With dead ends: 98 [2019-11-21 13:03:14,732 INFO L226 Difference]: Without dead ends: 98 [2019-11-21 13:03:14,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:03:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-21 13:03:14,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-11-21 13:03:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-21 13:03:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 118 transitions. [2019-11-21 13:03:14,739 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 118 transitions. Word has length 24 [2019-11-21 13:03:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:14,740 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 118 transitions. [2019-11-21 13:03:14,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 13:03:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 118 transitions. [2019-11-21 13:03:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 13:03:14,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:14,741 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] [2019-11-21 13:03:14,944 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:14,945 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:14,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:14,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1798092038, now seen corresponding path program 1 times [2019-11-21 13:03:14,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:14,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [672876156] [2019-11-21 13:03:14,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:15,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 13:03:15,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:15,252 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:03:15,252 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:15,260 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,261 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 13:03:15,285 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-21 13:03:15,286 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,294 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:15,295 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,295 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-21 13:03:15,327 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 11 [2019-11-21 13:03:15,327 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,335 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:15,335 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:03:15,336 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-11-21 13:03:15,425 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:15,426 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 19 treesize of output 41 [2019-11-21 13:03:15,427 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:15,449 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 13:03:15,450 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:03:15,451 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-21 13:03:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:15,479 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:03:17,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [672876156] [2019-11-21 13:03:17,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:03:17,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-21 13:03:17,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091858286] [2019-11-21 13:03:17,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 13:03:17,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:17,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 13:03:17,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2019-11-21 13:03:17,864 INFO L87 Difference]: Start difference. First operand 98 states and 118 transitions. Second operand 17 states. [2019-11-21 13:04:11,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:04:11,357 INFO L93 Difference]: Finished difference Result 146 states and 161 transitions. [2019-11-21 13:04:11,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-21 13:04:11,357 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2019-11-21 13:04:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:04:11,359 INFO L225 Difference]: With dead ends: 146 [2019-11-21 13:04:11,359 INFO L226 Difference]: Without dead ends: 146 [2019-11-21 13:04:11,360 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=105, Invalid=446, Unknown=1, NotChecked=0, Total=552 [2019-11-21 13:04:11,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-21 13:04:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 99. [2019-11-21 13:04:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-21 13:04:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 119 transitions. [2019-11-21 13:04:11,367 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 119 transitions. Word has length 29 [2019-11-21 13:04:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:04:11,369 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 119 transitions. [2019-11-21 13:04:11,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 13:04:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2019-11-21 13:04:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 13:04:11,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:04:11,371 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] [2019-11-21 13:04:11,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:04:11,572 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:04:11,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:04:11,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1798092039, now seen corresponding path program 1 times [2019-11-21 13:04:11,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:04:11,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [110960939] [2019-11-21 13:04:11,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:04:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:04:11,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-21 13:04:11,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:04:11,906 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:04:11,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:11,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:11,938 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:04:11,938 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:11,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:11,947 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:04:11,947 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 13:04:11,989 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-21 13:04:11,989 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,008 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:12,017 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-21 13:04:12,017 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,031 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:12,031 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,032 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-21 13:04:12,064 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 30 treesize of output 18 [2019-11-21 13:04:12,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:12,080 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2019-11-21 13:04:12,081 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,089 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:12,089 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:04:12,090 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-21 13:04:14,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 13:04:14,177 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 13:04:14,178 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:14,194 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:14,204 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:14,205 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 13:04:14,206 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:14,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:14,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:04:14,219 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 13:04:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 13:04:14,245 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:04:14,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:04:14,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:14,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:04:14,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:14,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:14,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:04:14,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:14,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:14,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:19,301 WARN L192 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 13:04:19,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:04:26,768 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 13:04:26,781 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-21 13:04:26,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:26,794 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:26,796 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 13:04:26,797 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:04:26,815 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:04:26,816 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:04:26,816 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 13:04:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 13:04:26,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [110960939] [2019-11-21 13:04:26,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:04:26,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-21 13:04:26,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881178239] [2019-11-21 13:04:26,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-21 13:04:26,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:04:26,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-21 13:04:26,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=260, Unknown=4, NotChecked=0, Total=306 [2019-11-21 13:04:26,914 INFO L87 Difference]: Start difference. First operand 99 states and 119 transitions. Second operand 18 states. [2019-11-21 13:05:39,287 WARN L192 SmtUtils]: Spent 27.40 s on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-11-21 13:07:08,204 WARN L192 SmtUtils]: Spent 24.12 s on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-21 13:07:19,091 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd |c_entry_point_#t~mem47.offset| (_ bv4 32)))) (let ((.cse1 (bvsle (_ bv0 32) |c_entry_point_#t~mem47.offset|)) (.cse3 (forall ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1))))) (.cse4 (bvsle |c_entry_point_#t~mem47.offset| .cse0))) (and (bvsle .cse0 (select |c_#length| |c_entry_point_#t~mem47.base|)) .cse1 (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse2 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_prenex_7 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_7)) (not (bvsle (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_7 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))))) (not (bvsle (_ bv0 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|)) (bvsle .cse2 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvsle |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse2))))) (forall ((v_ldv_malloc_~size_61 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (or (bvsle (bvadd |c_entry_point_#t~mem47.offset| (_ bv4 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_53| v_ldv_malloc_~size_61) |c_entry_point_#t~mem47.base|)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_53|) (_ 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|))) (or .cse3 .cse1) (or .cse3 .cse4) .cse4 (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))))) is different from false [2019-11-21 13:07:33,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:07:33,102 INFO L93 Difference]: Finished difference Result 108 states and 121 transitions. [2019-11-21 13:07:33,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-21 13:07:33,103 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-21 13:07:33,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:07:33,104 INFO L225 Difference]: With dead ends: 108 [2019-11-21 13:07:33,104 INFO L226 Difference]: Without dead ends: 108 [2019-11-21 13:07:33,104 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 109.1s TimeCoverageRelationStatistics Valid=91, Invalid=493, Unknown=20, NotChecked=46, Total=650 [2019-11-21 13:07:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-21 13:07:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2019-11-21 13:07:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-21 13:07:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 117 transitions. [2019-11-21 13:07:33,111 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 117 transitions. Word has length 29 [2019-11-21 13:07:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:07:33,112 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 117 transitions. [2019-11-21 13:07:33,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-21 13:07:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2019-11-21 13:07:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 13:07:33,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:07:33,114 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:07:33,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:07:33,317 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:07:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:07:33,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1366421834, now seen corresponding path program 1 times [2019-11-21 13:07:33,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:07:33,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1149843417] [2019-11-21 13:07:33,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:07:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:07:33,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 13:07:33,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:07:33,612 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:07:33,612 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 13:07:33,613 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:07:33,631 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 13:07:33,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:07:33,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:07:33,634 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 13:07:33,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:07:33,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:07:33,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:07:33,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:07:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:07:39,849 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:07:44,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:07:44,194 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 13:07:44,201 INFO L168 Benchmark]: Toolchain (without parser) took 522205.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2019-11-21 13:07:44,202 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:07:44,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 989.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-21 13:07:44,203 INFO L168 Benchmark]: Boogie Preprocessor took 128.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 13:07:44,203 INFO L168 Benchmark]: RCFGBuilder took 1774.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2019-11-21 13:07:44,204 INFO L168 Benchmark]: TraceAbstraction took 519308.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 978.9 MB in the beginning and 1.1 GB in the end (delta: -84.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-21 13:07:44,210 INFO L335 ainManager$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 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 989.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1774.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.9 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 519308.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 978.9 MB in the beginning and 1.1 GB in the end (delta: -84.4 MB). Peak memory consumption was 26.2 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...