./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 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_test15-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6a0770eb2c463eae88ecc18779bd9f5bc099613 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 12:22:15,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 12:22:15,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 12:22:15,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 12:22:15,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 12:22:15,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 12:22:15,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 12:22:15,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 12:22:15,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 12:22:15,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 12:22:15,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 12:22:15,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 12:22:15,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 12:22:15,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 12:22:15,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 12:22:15,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 12:22:15,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 12:22:15,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 12:22:15,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 12:22:15,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 12:22:15,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 12:22:15,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 12:22:15,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 12:22:15,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 12:22:15,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 12:22:15,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 12:22:15,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 12:22:15,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 12:22:15,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 12:22:15,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 12:22:15,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 12:22:15,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 12:22:15,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 12:22:15,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 12:22:15,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 12:22:15,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 12:22:15,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 12:22:15,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 12:22:15,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 12:22:15,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 12:22:15,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 12:22:15,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 12:22:15,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 12:22:15,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 12:22:15,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 12:22:15,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 12:22:15,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 12:22:15,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 12:22:15,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 12:22:15,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 12:22:15,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 12:22:15,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 12:22:15,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 12:22:15,877 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 12:22:15,877 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 12:22:15,878 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 12:22:15,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 12:22:15,878 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 12:22:15,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:15,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 12:22:15,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 12:22:15,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 12:22:15,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 12:22:15,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 12:22:15,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 12:22:15,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:22:15,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 12:22:15,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 12:22:15,881 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 12:22:15,882 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 12:22:15,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 12:22:15,882 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 -> e6a0770eb2c463eae88ecc18779bd9f5bc099613 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 12:22:16,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 12:22:16,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 12:22:16,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 12:22:16,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 12:22:16,187 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 12:22:16,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-21 12:22:16,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0736e4ab/e9c28ad2435a42ba8ad78310418f6281/FLAG1772d64e9 [2019-11-21 12:22:16,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 12:22:16,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2019-11-21 12:22:16,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0736e4ab/e9c28ad2435a42ba8ad78310418f6281/FLAG1772d64e9 [2019-11-21 12:22:17,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0736e4ab/e9c28ad2435a42ba8ad78310418f6281 [2019-11-21 12:22:17,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 12:22:17,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 12:22:17,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 12:22:17,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 12:22:17,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 12:22:17,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:22:17" (1/1) ... [2019-11-21 12:22:17,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374bf11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:17, skipping insertion in model container [2019-11-21 12:22:17,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:22:17" (1/1) ... [2019-11-21 12:22:17,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 12:22:17,164 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:22:17,600 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 12:22:17,601 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 12:22:17,601 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,631 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 12:22:17,631 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 12:22:17,631 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,633 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 12:22:17,634 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 12:22:17,634 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,636 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 12:22:17,637 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 12:22:17,637 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,675 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 12:22:17,681 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 12:22:17,682 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,702 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 12:22:17,702 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface *)( (char *)__mptr - ((size_t) &((struct ldv_usb_interface *)0)->dev) ) [781] [2019-11-21 12:22:17,703 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,704 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 12:22:17,705 INFO L969 CHandler]: at location: C: (struct ldv_arvo_device*)ldv_zalloc(sizeof(struct ldv_arvo_device)) [786] [2019-11-21 12:22:17,705 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,708 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 12:22:17,709 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface *)( (char *)__mptr - ((size_t) &((struct ldv_usb_interface *)0)->dev) ) [801] [2019-11-21 12:22:17,709 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,713 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 12:22:17,714 INFO L969 CHandler]: at location: C: (struct ldv_hid_device *)ldv_malloc(sizeof(struct ldv_hid_device)) [823] [2019-11-21 12:22:17,714 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,715 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 12:22:17,715 INFO L969 CHandler]: at location: C: (struct ldv_usb_interface*)ldv_malloc(sizeof(struct ldv_usb_interface)) [825] [2019-11-21 12:22:17,715 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,716 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 12:22:17,717 INFO L969 CHandler]: at location: C: (struct ldv_usb_host_interface *)ldv_malloc(sizeof(struct ldv_usb_host_interface)) [827] [2019-11-21 12:22:17,717 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:22:17,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:22:17,743 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 12:22:17,752 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:22:17,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:22:17,842 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 12:22:17,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:22:18,034 INFO L205 MainTranslator]: Completed translation [2019-11-21 12:22:18,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18 WrapperNode [2019-11-21 12:22:18,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 12:22:18,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 12:22:18,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 12:22:18,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 12:22:18,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (1/1) ... [2019-11-21 12:22:18,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 12:22:18,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 12:22:18,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 12:22:18,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 12:22:18,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (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 12:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 12:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 12:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:22:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 12:22:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 12:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 12:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 12:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 12:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 12:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 12:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 12:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 12:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 12:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 12:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 12:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 12:22:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 12:22:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 12:22:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 12:22:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 12:22:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 12:22:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 12:22:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 12:22:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 12:22:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 12:22:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 12:22:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 12:22:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 12:22:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 12:22:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 12:22:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 12:22:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 12:22:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 12:22:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 12:22:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 12:22:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 12:22:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 12:22:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 12:22:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 12:22:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 12:22:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2019-11-21 12:22:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2019-11-21 12:22:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2019-11-21 12:22:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2019-11-21 12:22:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2019-11-21 12:22:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2019-11-21 12:22:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2019-11-21 12:22:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 12:22:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 12:22:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 12:22:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 12:22:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 12:22:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 12:22:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 12:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 12:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 12:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 12:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 12:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 12:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 12:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 12:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 12:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 12:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 12:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 12:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 12:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 12:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 12:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 12:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 12:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 12:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 12:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 12:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 12:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 12:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 12:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 12:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 12:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 12:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 12:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 12:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 12:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 12:22:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 12:22:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 12:22:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 12:22:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 12:22:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 12:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 12:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 12:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 12:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 12:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 12:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 12:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 12:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 12:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 12:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 12:22:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 12:22:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 12:22:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 12:22:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 12:22:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 12:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 12:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 12:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 12:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 12:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 12:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 12:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 12:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 12:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 12:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 12:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 12:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 12:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 12:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 12:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 12:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 12:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 12:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 12:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 12:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 12:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 12:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 12:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 12:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 12:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 12:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 12:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 12:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 12:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 12:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 12:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 12:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 12:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 12:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 12:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 12:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 12:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 12:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 12:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 12:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 12:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 12:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 12:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 12:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 12:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 12:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 12:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 12:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 12:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 12:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 12:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 12:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2019-11-21 12:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-21 12:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 12:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 12:22:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 12:22:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 12:22:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 12:22:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-11-21 12:22:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 12:22:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-11-21 12:22:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 12:22:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 12:22:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 12:22:19,042 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:22:19,643 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:22:20,211 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 12:22:20,212 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 12:22:20,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:22:20 BoogieIcfgContainer [2019-11-21 12:22:20,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 12:22:20,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 12:22:20,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 12:22:20,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 12:22:20,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:22:17" (1/3) ... [2019-11-21 12:22:20,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bda476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:22:20, skipping insertion in model container [2019-11-21 12:22:20,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:22:18" (2/3) ... [2019-11-21 12:22:20,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bda476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:22:20, skipping insertion in model container [2019-11-21 12:22:20,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:22:20" (3/3) ... [2019-11-21 12:22:20,223 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test15-2.i [2019-11-21 12:22:20,234 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 12:22:20,244 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 116 error locations. [2019-11-21 12:22:20,257 INFO L249 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2019-11-21 12:22:20,287 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 12:22:20,288 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 12:22:20,288 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 12:22:20,288 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 12:22:20,288 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 12:22:20,289 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 12:22:20,289 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 12:22:20,289 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 12:22:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2019-11-21 12:22:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 12:22:20,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:20,330 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:20,331 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:20,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:20,337 INFO L82 PathProgramCache]: Analyzing trace with hash -866134243, now seen corresponding path program 1 times [2019-11-21 12:22:20,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:20,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1748877338] [2019-11-21 12:22:20,350 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 12:22:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:20,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:22:20,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:20,873 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 12:22:20,876 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:21,015 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 12:22:21,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1748877338] [2019-11-21 12:22:21,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:22:21,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:22:21,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632449024] [2019-11-21 12:22:21,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:22:21,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:21,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:22:21,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:22:21,061 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 5 states. [2019-11-21 12:22:21,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:21,264 INFO L93 Difference]: Finished difference Result 231 states and 256 transitions. [2019-11-21 12:22:21,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:22:21,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 12:22:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:21,286 INFO L225 Difference]: With dead ends: 231 [2019-11-21 12:22:21,286 INFO L226 Difference]: Without dead ends: 228 [2019-11-21 12:22:21,288 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 12:22:21,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-21 12:22:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 181. [2019-11-21 12:22:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-21 12:22:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 196 transitions. [2019-11-21 12:22:21,399 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 196 transitions. Word has length 16 [2019-11-21 12:22:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:21,400 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 196 transitions. [2019-11-21 12:22:21,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:22:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 196 transitions. [2019-11-21 12:22:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 12:22:21,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:21,403 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:21,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:21,615 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:21,616 INFO L82 PathProgramCache]: Analyzing trace with hash 876676092, now seen corresponding path program 1 times [2019-11-21 12:22:21,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:21,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [109430243] [2019-11-21 12:22:21,617 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 12:22:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:21,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:22:21,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:21,921 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 12:22:21,923 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:21,977 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 12:22:21,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [109430243] [2019-11-21 12:22:21,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:22:21,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 12:22:21,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727038522] [2019-11-21 12:22:21,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 12:22:21,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:21,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 12:22:21,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 12:22:21,981 INFO L87 Difference]: Start difference. First operand 181 states and 196 transitions. Second operand 3 states. [2019-11-21 12:22:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:22,377 INFO L93 Difference]: Finished difference Result 241 states and 267 transitions. [2019-11-21 12:22:22,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 12:22:22,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 12:22:22,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:22,380 INFO L225 Difference]: With dead ends: 241 [2019-11-21 12:22:22,381 INFO L226 Difference]: Without dead ends: 238 [2019-11-21 12:22:22,381 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 12:22:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-11-21 12:22:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 177. [2019-11-21 12:22:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-11-21 12:22:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 189 transitions. [2019-11-21 12:22:22,410 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 189 transitions. Word has length 16 [2019-11-21 12:22:22,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:22,410 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 189 transitions. [2019-11-21 12:22:22,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 12:22:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 189 transitions. [2019-11-21 12:22:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 12:22:22,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:22,412 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:22,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:22,615 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:22,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:22,616 INFO L82 PathProgramCache]: Analyzing trace with hash -966693284, now seen corresponding path program 1 times [2019-11-21 12:22:22,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:22,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [662479938] [2019-11-21 12:22:22,618 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 12:22:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:22,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:22:22,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:22,949 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 12:22:22,950 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:22,999 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 12:22:23,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [662479938] [2019-11-21 12:22:23,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:22:23,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-21 12:22:23,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147340667] [2019-11-21 12:22:23,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:22:23,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:23,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:22:23,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:22:23,005 INFO L87 Difference]: Start difference. First operand 177 states and 189 transitions. Second operand 5 states. [2019-11-21 12:22:23,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:23,036 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2019-11-21 12:22:23,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:22:23,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 12:22:23,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:23,038 INFO L225 Difference]: With dead ends: 176 [2019-11-21 12:22:23,038 INFO L226 Difference]: Without dead ends: 176 [2019-11-21 12:22:23,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:22:23,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-21 12:22:23,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-11-21 12:22:23,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-11-21 12:22:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2019-11-21 12:22:23,049 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 21 [2019-11-21 12:22:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:23,049 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2019-11-21 12:22:23,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:22:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2019-11-21 12:22:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 12:22:23,050 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:23,050 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:23,261 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:23,263 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:23,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:23,264 INFO L82 PathProgramCache]: Analyzing trace with hash 97279794, now seen corresponding path program 1 times [2019-11-21 12:22:23,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:23,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1282156943] [2019-11-21 12:22:23,266 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 12:22:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:23,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:22:23,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:23,533 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 12:22:23,533 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:23,584 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 12:22:23,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1282156943] [2019-11-21 12:22:23,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:22:23,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:22:23,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030278103] [2019-11-21 12:22:23,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:22:23,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:23,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:22:23,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:22:23,586 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 5 states. [2019-11-21 12:22:23,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:23,767 INFO L93 Difference]: Finished difference Result 223 states and 244 transitions. [2019-11-21 12:22:23,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:22:23,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 12:22:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:23,775 INFO L225 Difference]: With dead ends: 223 [2019-11-21 12:22:23,775 INFO L226 Difference]: Without dead ends: 223 [2019-11-21 12:22:23,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:22:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-11-21 12:22:23,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 180. [2019-11-21 12:22:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-21 12:22:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2019-11-21 12:22:23,802 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 22 [2019-11-21 12:22:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:23,802 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2019-11-21 12:22:23,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:22:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2019-11-21 12:22:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 12:22:23,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:23,805 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:24,007 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:24,008 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:24,009 INFO L82 PathProgramCache]: Analyzing trace with hash 984783475, now seen corresponding path program 1 times [2019-11-21 12:22:24,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:24,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1482166061] [2019-11-21 12:22:24,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:24,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:22:24,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:24,434 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 12:22:24,436 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:24,557 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 12:22:24,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1482166061] [2019-11-21 12:22:24,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:22:24,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 12:22:24,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508353243] [2019-11-21 12:22:24,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 12:22:24,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:24,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 12:22:24,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 12:22:24,560 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 9 states. [2019-11-21 12:22:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:25,033 INFO L93 Difference]: Finished difference Result 179 states and 193 transitions. [2019-11-21 12:22:25,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:22:25,034 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 12:22:25,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:25,036 INFO L225 Difference]: With dead ends: 179 [2019-11-21 12:22:25,036 INFO L226 Difference]: Without dead ends: 179 [2019-11-21 12:22:25,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 12:22:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-21 12:22:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-11-21 12:22:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-21 12:22:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2019-11-21 12:22:25,046 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 22 [2019-11-21 12:22:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:25,046 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2019-11-21 12:22:25,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 12:22:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2019-11-21 12:22:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 12:22:25,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:25,047 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:25,256 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:25,257 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:25,258 INFO L82 PathProgramCache]: Analyzing trace with hash 463517181, now seen corresponding path program 1 times [2019-11-21 12:22:25,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:25,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [443509514] [2019-11-21 12:22:25,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:25,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 12:22:25,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:25,546 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 12:22:25,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:25,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:25,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:22:25,553 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:22:25,580 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 12:22:25,581 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:25,674 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 12:22:25,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [443509514] [2019-11-21 12:22:25,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:22:25,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-21 12:22:25,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249510266] [2019-11-21 12:22:25,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 12:22:25,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 12:22:25,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-21 12:22:25,680 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand 7 states. [2019-11-21 12:22:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:27,036 INFO L93 Difference]: Finished difference Result 343 states and 387 transitions. [2019-11-21 12:22:27,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 12:22:27,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-21 12:22:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:27,040 INFO L225 Difference]: With dead ends: 343 [2019-11-21 12:22:27,040 INFO L226 Difference]: Without dead ends: 343 [2019-11-21 12:22:27,041 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-21 12:22:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-21 12:22:27,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 199. [2019-11-21 12:22:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-21 12:22:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 230 transitions. [2019-11-21 12:22:27,056 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 230 transitions. Word has length 23 [2019-11-21 12:22:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:27,056 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 230 transitions. [2019-11-21 12:22:27,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 12:22:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 230 transitions. [2019-11-21 12:22:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 12:22:27,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:27,058 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:27,260 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:27,261 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:27,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:27,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1971068990, now seen corresponding path program 1 times [2019-11-21 12:22:27,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:27,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1500503681] [2019-11-21 12:22:27,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:27,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:22:27,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:27,551 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 12:22:27,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:27,579 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 12:22:27,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1500503681] [2019-11-21 12:22:27,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:22:27,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-21 12:22:27,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663946683] [2019-11-21 12:22:27,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 12:22:27,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:27,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 12:22:27,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 12:22:27,582 INFO L87 Difference]: Start difference. First operand 199 states and 230 transitions. Second operand 6 states. [2019-11-21 12:22:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:22:27,651 INFO L93 Difference]: Finished difference Result 236 states and 270 transitions. [2019-11-21 12:22:27,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:22:27,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-11-21 12:22:27,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:22:27,654 INFO L225 Difference]: With dead ends: 236 [2019-11-21 12:22:27,654 INFO L226 Difference]: Without dead ends: 235 [2019-11-21 12:22:27,655 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-21 12:22:27,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-21 12:22:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 215. [2019-11-21 12:22:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-21 12:22:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 266 transitions. [2019-11-21 12:22:27,665 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 266 transitions. Word has length 23 [2019-11-21 12:22:27,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:22:27,665 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 266 transitions. [2019-11-21 12:22:27,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 12:22:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 266 transitions. [2019-11-21 12:22:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 12:22:27,667 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:22:27,667 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:22:27,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:27,878 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:22:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:22:27,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2044884972, now seen corresponding path program 1 times [2019-11-21 12:22:27,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:22:27,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1533021068] [2019-11-21 12:22:27,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:22:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:22:28,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 12:22:28,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:22:28,186 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 12:22:28,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:28,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:28,198 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 12:22:28,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:28,208 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:28,208 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:22:28,209 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 12:22:30,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 12:22:30,370 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 12:22:30,370 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:30,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:30,407 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:30,408 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 12:22:30,409 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:30,421 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:30,422 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 12:22:30,423 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2019-11-21 12:22:30,456 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 12:22:30,456 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:22:30,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:22:32,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:32,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:22:32,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:32,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:32,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:32,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 12:22:32,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:32,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:35,003 WARN L192 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2019-11-21 12:22:35,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:22:40,130 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 12:22:40,145 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 12:22:40,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:40,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:40,160 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 12:22:40,160 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 12:22:40,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:22:40,171 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 12:22:40,172 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 12:22:40,283 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 12:22:40,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1533021068] [2019-11-21 12:22:40,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:22:40,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 12:22:40,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672579056] [2019-11-21 12:22:40,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 12:22:40,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:22:40,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 12:22:40,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=200, Unknown=3, NotChecked=0, Total=240 [2019-11-21 12:22:40,286 INFO L87 Difference]: Start difference. First operand 215 states and 266 transitions. Second operand 16 states. [2019-11-21 12:22:45,667 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse0 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse1 .cse0)) (not (bvsle (_ bv0 32) .cse1))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_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|)))) is different from false [2019-11-21 12:23:28,584 WARN L192 SmtUtils]: Spent 22.35 s on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-11-21 12:23:51,041 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((|v_ldv_malloc_#t~malloc12.base_35| (_ BitVec 32)) (v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_35|) (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle .cse0 .cse1)) (not (bvsle (_ bv0 32) .cse0)) (bvsle .cse1 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_35| ldv_malloc_~size) v_entry_point_~intf~2.base_BEFORE_CALL_2))))) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse2 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse3 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse2 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse3 .cse2)) (not (bvsle (_ bv0 32) .cse3))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-21 12:24:21,520 WARN L192 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2019-11-21 12:24:44,927 WARN L192 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-11-21 12:25:29,440 WARN L192 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2019-11-21 12:25:46,156 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ldv_malloc_#t~malloc12.base_35| (_ BitVec 32)) (v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32))) (.cse1 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_35|) (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle .cse0 .cse1)) (not (bvsle (_ bv0 32) .cse0)) (bvsle .cse1 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_35| ldv_malloc_~size) v_entry_point_~intf~2.base_BEFORE_CALL_2))))) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse2 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse3 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse2 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse3 .cse2)) (not (bvsle (_ bv0 32) .cse3))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_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|)))) is different from false [2019-11-21 12:28:24,517 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-11-21 12:28:41,014 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (bvadd c_entry_point_~intf~2.offset (_ bv4 32))) (.cse5 (bvadd c_entry_point_~intf~2.offset (_ bv8 32)))) (let ((.cse0 (bvsle .cse6 .cse5)) (.cse4 (bvsle (_ bv0 32) .cse6)) (.cse1 (forall ((|v_ldv_malloc_#t~malloc12.base_34| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_34|) (_ bv0 1)))))) (and (or .cse0 .cse1) (forall ((v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_entry_point_~intf~2.base_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse2 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32))) (.cse3 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_49) v_entry_point_~intf~2.base_BEFORE_CALL_2))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (bvsle .cse2 (select |c_#length| v_entry_point_~intf~2.base_BEFORE_CALL_2)) (not (bvsle .cse3 .cse2)) (not (bvsle (_ bv0 32) .cse3))))) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) .cse4 (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|))) (forall ((|v_ldv_malloc_#t~malloc12.base_34| (_ BitVec 32)) (v_ldv_malloc_~size_49 (_ BitVec 32))) (or (bvsle (bvadd c_entry_point_~intf~2.offset (_ bv8 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_34| v_ldv_malloc_~size_49) c_entry_point_~intf~2.base)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_34|) (_ bv0 1))))) (bvsle .cse5 (select |c_#length| c_entry_point_~intf~2.base)) .cse0 (= |c_#valid| |c_old(#valid)|) (or .cse4 .cse1) (= |c_old(#length)| |c_#length|)))) is different from false [2019-11-21 12:29:16,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:29:16,159 INFO L93 Difference]: Finished difference Result 339 states and 419 transitions. [2019-11-21 12:29:16,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-21 12:29:16,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-11-21 12:29:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:29:16,163 INFO L225 Difference]: With dead ends: 339 [2019-11-21 12:29:16,163 INFO L226 Difference]: Without dead ends: 336 [2019-11-21 12:29:16,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 118.1s TimeCoverageRelationStatistics Valid=113, Invalid=531, Unknown=22, NotChecked=204, Total=870 [2019-11-21 12:29:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-11-21 12:29:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 278. [2019-11-21 12:29:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-21 12:29:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 364 transitions. [2019-11-21 12:29:16,180 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 364 transitions. Word has length 26 [2019-11-21 12:29:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:29:16,180 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 364 transitions. [2019-11-21 12:29:16,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 12:29:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 364 transitions. [2019-11-21 12:29:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 12:29:16,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:29:16,182 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:29:16,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:29:16,388 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:29:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:29:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2044884971, now seen corresponding path program 1 times [2019-11-21 12:29:16,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:29:16,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [719228000] [2019-11-21 12:29:16,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:29:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:29:16,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 12:29:16,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:29:16,688 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 12:29:16,688 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:29:16,690 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:29:16,691 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:29:16,691 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:29:16,762 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:29:16,763 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 12:29:16,764 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:29:16,795 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 12:29:16,796 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 12:29:16,797 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-21 12:29:16,850 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 12:29:16,851 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:29:17,151 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 12:29:17,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [719228000] [2019-11-21 12:29:17,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 12:29:17,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-21 12:29:17,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374616126] [2019-11-21 12:29:17,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 12:29:17,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:29:17,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 12:29:17,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-21 12:29:17,154 INFO L87 Difference]: Start difference. First operand 278 states and 364 transitions. Second operand 13 states. [2019-11-21 12:30:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:38,272 INFO L93 Difference]: Finished difference Result 417 states and 541 transitions. [2019-11-21 12:30:38,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-21 12:30:38,274 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2019-11-21 12:30:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:38,278 INFO L225 Difference]: With dead ends: 417 [2019-11-21 12:30:38,279 INFO L226 Difference]: Without dead ends: 417 [2019-11-21 12:30:38,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2019-11-21 12:30:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-11-21 12:30:38,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 302. [2019-11-21 12:30:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-11-21 12:30:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 411 transitions. [2019-11-21 12:30:38,297 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 411 transitions. Word has length 26 [2019-11-21 12:30:38,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:38,298 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 411 transitions. [2019-11-21 12:30:38,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 12:30:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 411 transitions. [2019-11-21 12:30:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 12:30:38,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:38,300 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:38,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:38,504 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:30:38,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:38,506 INFO L82 PathProgramCache]: Analyzing trace with hash 247933613, now seen corresponding path program 1 times [2019-11-21 12:30:38,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:38,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1967014948] [2019-11-21 12:30:38,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:38,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 12:30:38,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 12:30:38,823 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-21 12:30:38,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1967014948] [2019-11-21 12:30:38,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 12:30:38,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 12:30:38,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323498343] [2019-11-21 12:30:38,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:30:38,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:38,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:30:38,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:38,883 INFO L87 Difference]: Start difference. First operand 302 states and 411 transitions. Second operand 5 states. [2019-11-21 12:30:38,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:38,956 INFO L93 Difference]: Finished difference Result 277 states and 356 transitions. [2019-11-21 12:30:38,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:30:38,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-21 12:30:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:38,960 INFO L225 Difference]: With dead ends: 277 [2019-11-21 12:30:38,960 INFO L226 Difference]: Without dead ends: 275 [2019-11-21 12:30:38,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:38,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-21 12:30:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2019-11-21 12:30:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-21 12:30:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 352 transitions. [2019-11-21 12:30:38,974 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 352 transitions. Word has length 26 [2019-11-21 12:30:38,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:38,974 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 352 transitions. [2019-11-21 12:30:38,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:30:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 352 transitions. [2019-11-21 12:30:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 12:30:38,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:38,976 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:39,179 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:39,180 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:30:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1047842410, now seen corresponding path program 2 times [2019-11-21 12:30:39,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:39,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [936140980] [2019-11-21 12:30:39,183 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:39,474 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-21 12:30:39,474 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-21 12:30:39,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 12:30:39,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-21 12:30:39,502 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-21 12:30:39,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [936140980] [2019-11-21 12:30:39,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 12:30:39,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 12:30:39,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338738092] [2019-11-21 12:30:39,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:30:39,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:39,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:30:39,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:39,539 INFO L87 Difference]: Start difference. First operand 273 states and 352 transitions. Second operand 5 states. [2019-11-21 12:30:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:39,575 INFO L93 Difference]: Finished difference Result 223 states and 256 transitions. [2019-11-21 12:30:39,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:30:39,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-21 12:30:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:39,577 INFO L225 Difference]: With dead ends: 223 [2019-11-21 12:30:39,577 INFO L226 Difference]: Without dead ends: 221 [2019-11-21 12:30:39,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-11-21 12:30:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-11-21 12:30:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-21 12:30:39,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 254 transitions. [2019-11-21 12:30:39,591 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 254 transitions. Word has length 26 [2019-11-21 12:30:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:39,591 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 254 transitions. [2019-11-21 12:30:39,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:30:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 254 transitions. [2019-11-21 12:30:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 12:30:39,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:39,597 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:39,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:39,802 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr4REQUIRES_VIOLATION, ldv_arvo_init_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr3REQUIRES_VIOLATION, ldv_arvo_init_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr2REQUIRES_VIOLATION, ldv_arvo_init_specialsErr1REQUIRES_VIOLATION, ldv_arvo_init_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specialsErr0REQUIRES_VIOLATION, ldv_arvo_init_specialsErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:30:39,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:39,803 INFO L82 PathProgramCache]: Analyzing trace with hash 321010482, now seen corresponding path program 1 times [2019-11-21 12:30:39,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:39,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [232341272] [2019-11-21 12:30:39,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:40,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 12:30:40,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:40,105 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:30:40,105 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 12:30:40,106 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:30:40,127 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 12:30:40,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:30:40,129 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 12:30:40,129 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 12:30:40,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:30:40,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:30:40,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:30:40,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:30:46,371 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 12:30:46,372 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:50,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:50,721 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 12:30:50,729 INFO L168 Benchmark]: Toolchain (without parser) took 513644.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -280.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:30:50,730 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:30:50,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-21 12:30:50,731 INFO L168 Benchmark]: Boogie Preprocessor took 177.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-21 12:30:50,732 INFO L168 Benchmark]: RCFGBuilder took 2000.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. [2019-11-21 12:30:50,732 INFO L168 Benchmark]: TraceAbstraction took 510512.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 932.4 MB in the beginning and 1.2 GB in the end (delta: -297.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:30:50,735 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 949.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 177.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2000.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 510512.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 932.4 MB in the beginning and 1.2 GB in the end (delta: -297.9 MB). There was no memory consumed. 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...