./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.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 d4308bd7904aec4bec637498669b187d310fac2d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-701f399 [2019-11-22 10:05:37,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 10:05:37,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 10:05:37,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 10:05:37,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 10:05:37,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 10:05:37,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 10:05:37,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 10:05:37,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 10:05:37,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 10:05:37,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 10:05:37,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 10:05:37,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 10:05:37,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 10:05:37,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 10:05:37,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 10:05:37,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 10:05:37,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 10:05:37,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 10:05:37,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 10:05:37,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 10:05:37,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 10:05:37,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 10:05:37,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 10:05:37,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 10:05:37,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 10:05:37,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 10:05:37,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 10:05:37,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 10:05:37,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 10:05:37,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 10:05:37,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 10:05:37,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 10:05:37,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 10:05:37,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 10:05:37,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 10:05:37,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 10:05:37,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 10:05:37,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 10:05:37,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 10:05:37,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 10:05:37,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 10:05:38,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 10:05:38,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 10:05:38,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 10:05:38,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 10:05:38,017 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 10:05:38,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 10:05:38,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 10:05:38,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 10:05:38,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 10:05:38,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 10:05:38,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 10:05:38,020 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 10:05:38,020 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 10:05:38,021 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 10:05:38,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 10:05:38,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 10:05:38,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 10:05:38,022 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:38,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 10:05:38,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 10:05:38,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 10:05:38,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 10:05:38,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 10:05:38,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 10:05:38,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:05:38,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 10:05:38,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 10:05:38,025 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 10:05:38,025 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 10:05:38,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 10:05:38,025 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-22 10:05:38,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 10:05:38,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 10:05:38,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 10:05:38,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 10:05:38,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 10:05:38,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 10:05:38,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1121b423/0f2004499ea840c1b238b1b03fb902e7/FLAG4d5e6c922 [2019-11-22 10:05:38,995 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 10:05:38,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 10:05:39,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1121b423/0f2004499ea840c1b238b1b03fb902e7/FLAG4d5e6c922 [2019-11-22 10:05:39,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1121b423/0f2004499ea840c1b238b1b03fb902e7 [2019-11-22 10:05:39,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 10:05:39,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 10:05:39,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 10:05:39,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 10:05:39,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 10:05:39,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:05:39" (1/1) ... [2019-11-22 10:05:39,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79630ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:39, skipping insertion in model container [2019-11-22 10:05:39,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:05:39" (1/1) ... [2019-11-22 10:05:39,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 10:05:39,361 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:05:39,832 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,832 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 10:05:39,833 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,861 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,861 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 10:05:39,862 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,867 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,868 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 10:05:39,868 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,872 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,873 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 10:05:39,873 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,915 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,916 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 10:05:39,916 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,933 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,934 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [768] [2019-11-22 10:05:39,935 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,942 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,943 INFO L968 CHandler]: at location: C: (struct A10 *)ldv_malloc(sizeof(struct A10)) [774] [2019-11-22 10:05:39,943 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,952 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,953 INFO L968 CHandler]: at location: C: (struct B10 *)ldv_malloc(sizeof(struct B10)) [776] [2019-11-22 10:05:39,953 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,954 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:05:39,955 INFO L968 CHandler]: at location: C: (struct C10 *)ldv_malloc(sizeof(struct C10)) [778] [2019-11-22 10:05:39,955 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:05:39,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:05:39,978 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 10:05:39,989 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:05:40,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:05:40,074 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 10:05:40,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:05:40,220 INFO L205 MainTranslator]: Completed translation [2019-11-22 10:05:40,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40 WrapperNode [2019-11-22 10:05:40,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 10:05:40,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 10:05:40,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 10:05:40,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 10:05:40,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... [2019-11-22 10:05:40,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 10:05:40,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 10:05:40,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 10:05:40,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 10:05:40,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:05:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 10:05:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 10:05:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:05:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:05:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 10:05:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 10:05:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 10:05:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 10:05:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 10:05:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 10:05:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 10:05:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 10:05:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 10:05:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:05:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 10:05:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 10:05:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 10:05:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 10:05:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 10:05:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 10:05:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 10:05:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 10:05:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 10:05:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 10:05:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 10:05:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 10:05:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 10:05:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 10:05:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 10:05:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 10:05:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 10:05:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 10:05:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 10:05:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 10:05:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 10:05:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 10:05:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 10:05:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 10:05:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 10:05:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 10:05:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 10:05:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 10:05:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-22 10:05:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-22 10:05:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 10:05:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 10:05:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 10:05:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 10:05:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 10:05:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 10:05:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 10:05:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 10:05:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 10:05:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 10:05:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 10:05:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 10:05:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 10:05:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 10:05:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 10:05:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 10:05:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 10:05:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 10:05:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 10:05:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 10:05:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 10:05:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 10:05:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 10:05:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 10:05:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 10:05:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 10:05:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 10:05:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 10:05:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 10:05:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 10:05:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 10:05:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 10:05:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 10:05:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 10:05:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 10:05:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 10:05:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 10:05:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 10:05:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 10:05:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 10:05:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 10:05:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 10:05:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 10:05:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 10:05:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 10:05:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 10:05:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 10:05:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 10:05:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 10:05:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 10:05:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 10:05:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 10:05:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 10:05:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 10:05:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 10:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 10:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 10:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 10:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 10:05:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 10:05:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 10:05:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 10:05:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 10:05:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 10:05:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 10:05:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 10:05:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 10:05:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 10:05:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 10:05:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 10:05:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 10:05:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 10:05:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 10:05:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 10:05:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 10:05:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 10:05:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 10:05:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 10:05:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 10:05:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 10:05:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 10:05:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 10:05:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 10:05:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 10:05:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 10:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 10:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 10:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 10:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 10:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 10:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 10:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 10:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 10:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 10:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 10:05:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 10:05:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 10:05:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 10:05:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 10:05:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 10:05:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 10:05:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 10:05:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 10:05:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 10:05:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 10:05:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 10:05:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 10:05:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 10:05:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 10:05:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 10:05:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 10:05:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 10:05:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 10:05:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 10:05:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 10:05:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 10:05:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 10:05:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 10:05:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 10:05:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 10:05:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 10:05:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 10:05:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 10:05:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 10:05:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 10:05:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 10:05:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 10:05:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 10:05:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 10:05:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 10:05:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:05:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 10:05:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 10:05:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 10:05:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 10:05:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 10:05:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 10:05:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 10:05:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 10:05:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 10:05:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 10:05:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 10:05:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 10:05:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 10:05:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 10:05:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-22 10:05:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-22 10:05:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 10:05:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 10:05:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 10:05:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 10:05:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 10:05:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 10:05:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:05:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 10:05:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 10:05:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 10:05:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 10:05:41,188 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:05:41,593 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:05:42,090 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 10:05:42,091 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 10:05:42,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:05:42 BoogieIcfgContainer [2019-11-22 10:05:42,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 10:05:42,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 10:05:42,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 10:05:42,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 10:05:42,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:05:39" (1/3) ... [2019-11-22 10:05:42,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207b8504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:05:42, skipping insertion in model container [2019-11-22 10:05:42,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:05:40" (2/3) ... [2019-11-22 10:05:42,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207b8504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:05:42, skipping insertion in model container [2019-11-22 10:05:42,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:05:42" (3/3) ... [2019-11-22 10:05:42,101 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-22 10:05:42,110 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 10:05:42,118 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-22 10:05:42,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-22 10:05:42,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 10:05:42,150 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 10:05:42,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 10:05:42,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 10:05:42,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 10:05:42,151 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 10:05:42,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 10:05:42,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 10:05:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-22 10:05:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 10:05:42,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:05:42,184 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:05:42,185 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:05:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:05:42,192 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-22 10:05:42,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:05:42,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1190660396] [2019-11-22 10:05:42,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:05:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:05:42,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:05:42,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:05:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:42,623 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:05:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:42,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1190660396] [2019-11-22 10:05:42,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:05:42,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:05:42,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229017684] [2019-11-22 10:05:42,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:05:42,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:05:42,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:05:42,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:05:42,766 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-22 10:05:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:05:43,047 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-22 10:05:43,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:05:43,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-22 10:05:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:05:43,067 INFO L225 Difference]: With dead ends: 163 [2019-11-22 10:05:43,067 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 10:05:43,070 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:05:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 10:05:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-22 10:05:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-22 10:05:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-22 10:05:43,183 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-22 10:05:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:05:43,184 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-22 10:05:43,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:05:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-22 10:05:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 10:05:43,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:05:43,187 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:05:43,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:05:43,391 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:05:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:05:43,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-22 10:05:43,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:05:43,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [499079309] [2019-11-22 10:05:43,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:05:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:05:43,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 10:05:43,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:05:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:43,677 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:05:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:43,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [499079309] [2019-11-22 10:05:43,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:05:43,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 10:05:43,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549022069] [2019-11-22 10:05:43,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 10:05:43,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:05:43,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 10:05:43,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:05:43,731 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-22 10:05:44,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:05:44,033 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-22 10:05:44,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 10:05:44,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-22 10:05:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:05:44,037 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:05:44,039 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 10:05:44,040 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 [2019-11-22 10:05:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 10:05:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-22 10:05:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-22 10:05:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-22 10:05:44,064 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-22 10:05:44,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:05:44,065 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-22 10:05:44,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 10:05:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-22 10:05:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 10:05:44,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:05:44,067 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:05:44,270 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:05:44,271 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:05:44,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:05:44,272 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-22 10:05:44,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:05:44,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2121582690] [2019-11-22 10:05:44,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:05:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:05:44,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 10:05:44,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:05:44,578 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:05:44,578 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:05:44,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:05:44,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:05:44,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:05:44,713 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:05:44,714 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-22 10:05:44,715 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:05:44,738 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 10:05:44,739 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:05:44,739 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-22 10:05:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:44,768 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:05:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:05:45,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2121582690] [2019-11-22 10:05:45,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:05:45,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-22 10:05:45,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200416771] [2019-11-22 10:05:45,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 10:05:45,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:05:45,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 10:05:45,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:05:45,077 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-22 10:06:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:06:27,068 INFO L93 Difference]: Finished difference Result 218 states and 249 transitions. [2019-11-22 10:06:27,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:06:27,069 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-22 10:06:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:06:27,073 INFO L225 Difference]: With dead ends: 218 [2019-11-22 10:06:27,073 INFO L226 Difference]: Without dead ends: 218 [2019-11-22 10:06:27,074 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-11-22 10:06:27,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-22 10:06:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 119. [2019-11-22 10:06:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-22 10:06:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-22 10:06:27,090 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-22 10:06:27,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:06:27,090 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-22 10:06:27,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 10:06:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-22 10:06:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 10:06:27,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:27,092 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:27,294 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:27,296 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:27,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:27,297 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-22 10:06:27,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:27,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [928073861] [2019-11-22 10:06:27,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:27,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-22 10:06:27,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:27,573 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:06:27,573 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:27,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:27,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:06:27,591 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:27,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:27,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:06:27,604 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 10:06:29,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:06:29,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-22 10:06:29,771 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:29,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:29,800 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:29,800 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 [2019-11-22 10:06:29,801 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:29,814 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:29,815 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:06:29,815 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-22 10:06:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:29,842 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:29,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:30,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:30,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:30,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:31,063 WARN L192 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-22 10:06:31,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:31,989 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 10:06:31,999 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-22 10:06:31,999 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:32,012 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:32,015 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:06:32,015 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:32,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:32,029 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:06:32,029 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-22 10:06:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:32,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [928073861] [2019-11-22 10:06:32,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:06:32,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-22 10:06:32,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70388080] [2019-11-22 10:06:32,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-22 10:06:32,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:06:32,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-22 10:06:32,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=201, Unknown=1, NotChecked=0, Total=240 [2019-11-22 10:06:32,145 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-22 10:06:36,754 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (= (_ 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|) (forall ((|v_ldv_malloc_#t~malloc12.base_21| (_ BitVec 32)) (v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (bvule v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)) (not (bvule (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (bvule .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_21| ldv_malloc_~size) v_entry_point_~a10~0.base_BEFORE_CALL_4)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_21|) (_ bv0 1))))))) is different from false [2019-11-22 10:06:48,937 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-22 10:07:00,849 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-22 10:07:20,482 WARN L192 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-22 10:07:35,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:35,286 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2019-11-22 10:07:35,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-22 10:07:35,287 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-22 10:07:35,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:35,289 INFO L225 Difference]: With dead ends: 231 [2019-11-22 10:07:35,289 INFO L226 Difference]: Without dead ends: 231 [2019-11-22 10:07:35,290 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=96, Invalid=458, Unknown=2, NotChecked=44, Total=600 [2019-11-22 10:07:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-22 10:07:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 145. [2019-11-22 10:07:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-22 10:07:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2019-11-22 10:07:35,305 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 19 [2019-11-22 10:07:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:35,306 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-11-22 10:07:35,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-22 10:07:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2019-11-22 10:07:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 10:07:35,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:35,307 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:35,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:35,511 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:35,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:35,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-22 10:07:35,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:35,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2123965260] [2019-11-22 10:07:35,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:35,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:07:35,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:35,786 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:35,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2123965260] [2019-11-22 10:07:35,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-22 10:07:35,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-22 10:07:35,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573546430] [2019-11-22 10:07:35,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:07:35,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:07:35,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:35,830 INFO L87 Difference]: Start difference. First operand 145 states and 187 transitions. Second operand 5 states. [2019-11-22 10:07:35,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:35,878 INFO L93 Difference]: Finished difference Result 126 states and 152 transitions. [2019-11-22 10:07:35,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:07:35,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-22 10:07:35,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:35,881 INFO L225 Difference]: With dead ends: 126 [2019-11-22 10:07:35,881 INFO L226 Difference]: Without dead ends: 124 [2019-11-22 10:07:35,881 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:07:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-22 10:07:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-22 10:07:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-22 10:07:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2019-11-22 10:07:35,890 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 150 transitions. Word has length 19 [2019-11-22 10:07:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:35,891 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 150 transitions. [2019-11-22 10:07:35,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:07:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2019-11-22 10:07:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 10:07:35,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:35,892 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:36,094 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,095 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-22 10:07:36,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:36,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [235111561] [2019-11-22 10:07:36,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:36,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:07:36,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:07:36,383 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:36,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [235111561] [2019-11-22 10:07:36,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:36,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2019-11-22 10:07:36,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924564897] [2019-11-22 10:07:36,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 10:07:36,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 10:07:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:07:36,422 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. Second operand 6 states. [2019-11-22 10:07:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:36,664 INFO L93 Difference]: Finished difference Result 123 states and 148 transitions. [2019-11-22 10:07:36,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:07:36,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-22 10:07:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:36,667 INFO L225 Difference]: With dead ends: 123 [2019-11-22 10:07:36,667 INFO L226 Difference]: Without dead ends: 123 [2019-11-22 10:07:36,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:07:36,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-22 10:07:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-22 10:07:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-22 10:07:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2019-11-22 10:07:36,676 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 24 [2019-11-22 10:07:36,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:36,676 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2019-11-22 10:07:36,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 10:07:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2019-11-22 10:07:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-22 10:07:36,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:36,678 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:36,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:36,884 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:36,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:36,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1508178990, now seen corresponding path program 1 times [2019-11-22 10:07:36,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:36,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [754500489] [2019-11-22 10:07:36,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:37,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 10:07:37,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:37,162 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-22 10:07:37,162 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:37,168 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,169 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-22 10:07:37,187 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-11-22 10:07:37,187 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:37,195 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,195 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-22 10:07:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:37,209 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:37,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [754500489] [2019-11-22 10:07:37,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:07:37,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-22 10:07:37,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114656148] [2019-11-22 10:07:37,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 10:07:37,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 10:07:37,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:07:37,278 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand 6 states. [2019-11-22 10:07:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:07:37,439 INFO L93 Difference]: Finished difference Result 126 states and 150 transitions. [2019-11-22 10:07:37,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 10:07:37,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-22 10:07:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:07:37,440 INFO L225 Difference]: With dead ends: 126 [2019-11-22 10:07:37,440 INFO L226 Difference]: Without dead ends: 126 [2019-11-22 10:07:37,441 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:07:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-22 10:07:37,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2019-11-22 10:07:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-22 10:07:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 147 transitions. [2019-11-22 10:07:37,447 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 147 transitions. Word has length 28 [2019-11-22 10:07:37,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:07:37,447 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 147 transitions. [2019-11-22 10:07:37,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 10:07:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2019-11-22 10:07:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 10:07:37,449 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:07:37,449 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:07:37,658 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:07:37,658 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:07:37,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:07:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-22 10:07:37,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:07:37,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1414838353] [2019-11-22 10:07:37,660 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 [2019-11-22 10:07:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:07:37,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:07:37,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:07:37,972 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:07:37,973 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:37,975 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:37,975 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:07:38,011 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-22 10:07:38,013 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,024 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:38,025 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,025 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-22 10:07:38,066 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-22 10:07:38,067 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:38,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:07:38,075 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-11-22 10:07:38,158 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:07:38,159 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-22 10:07:38,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:07:38,182 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 10:07:38,183 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:07:38,183 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-22 10:07:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:38,210 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:07:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:07:40,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1414838353] [2019-11-22 10:07:40,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:07:40,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-22 10:07:40,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17094047] [2019-11-22 10:07:40,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-22 10:07:40,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:07:40,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-22 10:07:40,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2019-11-22 10:07:40,652 INFO L87 Difference]: Start difference. First operand 123 states and 147 transitions. Second operand 17 states. [2019-11-22 10:08:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:08:03,433 INFO L93 Difference]: Finished difference Result 143 states and 168 transitions. [2019-11-22 10:08:03,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:08:03,434 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2019-11-22 10:08:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:08:03,436 INFO L225 Difference]: With dead ends: 143 [2019-11-22 10:08:03,436 INFO L226 Difference]: Without dead ends: 143 [2019-11-22 10:08:03,438 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2019-11-22 10:08:03,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-22 10:08:03,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 124. [2019-11-22 10:08:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-22 10:08:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2019-11-22 10:08:03,449 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 29 [2019-11-22 10:08:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:08:03,451 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2019-11-22 10:08:03,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-22 10:08:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2019-11-22 10:08:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 10:08:03,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:08:03,455 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:08:03,658 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:08:03,659 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:08:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:08:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-22 10:08:03,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:08:03,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [384045411] [2019-11-22 10:08:03,661 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 [2019-11-22 10:08:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:08:03,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-22 10:08:03,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:08:03,961 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:03,962 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:03,969 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:03,973 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:08:03,974 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:03,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:03,982 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:03,982 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 10:08:04,041 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-22 10:08:04,041 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,063 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:04,069 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-22 10:08:04,070 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,088 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:04,089 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,089 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-22 10:08:04,125 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2019-11-22 10:08:04,125 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,136 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:04,140 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-22 10:08:04,141 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,147 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:04,147 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:04,148 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-22 10:08:06,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:08:06,226 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 [2019-11-22 10:08:06,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:06,242 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:06,251 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:06,252 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 [2019-11-22 10:08:06,253 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:06,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:06,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:06,264 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-22 10:08:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 10:08:06,289 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:08:06,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:06,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:06,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:06,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:11,460 WARN L192 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-22 10:08:11,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:08:16,588 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 10:08:16,596 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-22 10:08:16,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:16,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:16,616 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:08:16,617 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:08:16,627 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:08:16,627 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:08:16,628 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-22 10:08:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 10:08:16,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [384045411] [2019-11-22 10:08:16,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:08:16,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-22 10:08:16,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128285221] [2019-11-22 10:08:16,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 10:08:16,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:08:16,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 10:08:16,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=259, Unknown=5, NotChecked=0, Total=306 [2019-11-22 10:08:16,794 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand 18 states. [2019-11-22 10:08:37,387 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_64| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_67 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_63| (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_63| v_ldv_malloc_~size_67) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_63|)))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_64|) (_ bv0 1))) (bvule .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_64| ldv_malloc_~size) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (= (_ 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|) (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse1 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_67 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_63| (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_63| v_ldv_malloc_~size_67) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_63|)))) (bvule .cse1 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse1))))) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) is different from false [2019-11-22 10:08:41,418 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ 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|) (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_67 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_63| (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_63| v_ldv_malloc_~size_67) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_63|)))) (bvule .cse0 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) is different from false [2019-11-22 10:09:23,563 WARN L192 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-11-22 10:10:03,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:03,614 INFO L93 Difference]: Finished difference Result 127 states and 147 transitions. [2019-11-22 10:10:03,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-22 10:10:03,618 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-22 10:10:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:03,620 INFO L225 Difference]: With dead ends: 127 [2019-11-22 10:10:03,620 INFO L226 Difference]: Without dead ends: 127 [2019-11-22 10:10:03,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 49.2s TimeCoverageRelationStatistics Valid=78, Invalid=422, Unknown=14, NotChecked=86, Total=600 [2019-11-22 10:10:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-22 10:10:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2019-11-22 10:10:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-22 10:10:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2019-11-22 10:10:03,626 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 29 [2019-11-22 10:10:03,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:03,626 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2019-11-22 10:10:03,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 10:10:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2019-11-22 10:10:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-22 10:10:03,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:03,628 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:03,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:03,832 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:03,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-22 10:10:03,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:03,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [73157458] [2019-11-22 10:10:03,833 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 [2019-11-22 10:10:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:04,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 10:10:04,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:04,144 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:04,144 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 [2019-11-22 10:10:04,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:04,193 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 10:10:04,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:04,194 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:10:04,195 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 10:10:04,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:04,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:04,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:04,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 10:10:10,379 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:14,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:14,739 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 10:10:14,744 INFO L168 Benchmark]: Toolchain (without parser) took 275466.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.3 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -272.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:14,745 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:10:14,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:14,746 INFO L168 Benchmark]: Boogie Preprocessor took 119.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:14,746 INFO L168 Benchmark]: RCFGBuilder took 1743.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-11-22 10:10:14,747 INFO L168 Benchmark]: TraceAbstraction took 272648.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 976.4 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:10:14,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 945.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1743.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 272648.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 976.4 MB in the beginning and 1.2 GB in the end (delta: -252.7 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...