./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 196dc2229ba70f5585396e57d0fe02afafc43670 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 12:30:52,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 12:30:52,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 12:30:52,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 12:30:52,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 12:30:52,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 12:30:52,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 12:30:52,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 12:30:52,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 12:30:52,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 12:30:52,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 12:30:52,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 12:30:52,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 12:30:52,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 12:30:52,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 12:30:52,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 12:30:52,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 12:30:52,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 12:30:52,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 12:30:52,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 12:30:52,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 12:30:52,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 12:30:52,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 12:30:52,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 12:30:52,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 12:30:52,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 12:30:52,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 12:30:52,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 12:30:52,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 12:30:52,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 12:30:52,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 12:30:52,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 12:30:52,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 12:30:52,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 12:30:52,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 12:30:52,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 12:30:52,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 12:30:52,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 12:30:52,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 12:30:52,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 12:30:52,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 12:30:52,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 12:30:52,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 12:30:52,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 12:30:52,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 12:30:52,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 12:30:52,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 12:30:52,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 12:30:52,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 12:30:52,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 12:30:52,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 12:30:52,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 12:30:52,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 12:30:52,937 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 12:30:52,938 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 12:30:52,938 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 12:30:52,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 12:30:52,938 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 12:30:52,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:52,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 12:30:52,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 12:30:52,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 12:30:52,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 12:30:52,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 12:30:52,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 12:30:52,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:30:52,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 12:30:52,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 12:30:52,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 12:30:52,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 12:30:52,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 12:30:52,942 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 -> 196dc2229ba70f5585396e57d0fe02afafc43670 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 12:30:53,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 12:30:53,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 12:30:53,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 12:30:53,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 12:30:53,279 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 12:30:53,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-21 12:30:53,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02167409/ed4886fcd7cf4c6abb917166fc76b0c3/FLAG9921097e6 [2019-11-21 12:30:53,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 12:30:53,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2019-11-21 12:30:53,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02167409/ed4886fcd7cf4c6abb917166fc76b0c3/FLAG9921097e6 [2019-11-21 12:30:54,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02167409/ed4886fcd7cf4c6abb917166fc76b0c3 [2019-11-21 12:30:54,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 12:30:54,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 12:30:54,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 12:30:54,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 12:30:54,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 12:30:54,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:30:54" (1/1) ... [2019-11-21 12:30:54,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ff98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:54, skipping insertion in model container [2019-11-21 12:30:54,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:30:54" (1/1) ... [2019-11-21 12:30:54,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 12:30:54,279 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:30:54,713 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,714 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 12:30:54,714 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,740 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,741 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 12:30:54,741 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,746 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,746 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 12:30:54,747 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,751 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,751 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 12:30:54,752 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,799 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,800 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 12:30:54,800 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,812 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:30:54,812 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [766] [2019-11-21 12:30:54,813 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:30:54,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:30:54,840 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 12:30:54,854 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:30:54,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:30:54,929 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 12:30:55,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:30:55,101 INFO L205 MainTranslator]: Completed translation [2019-11-21 12:30:55,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55 WrapperNode [2019-11-21 12:30:55,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 12:30:55,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 12:30:55,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 12:30:55,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 12:30:55,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... [2019-11-21 12:30:55,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 12:30:55,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 12:30:55,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 12:30:55,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 12:30:55,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:30:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 12:30:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 12:30:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 12:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 12:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 12:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 12:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 12:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 12:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 12:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 12:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 12:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 12:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 12:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 12:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 12:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 12:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 12:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 12:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 12:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 12:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 12:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 12:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 12:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 12:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 12:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 12:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 12:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 12:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 12:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-21 12:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-21 12:30:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-21 12:30:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-11-21 12:30:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 12:30:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 12:30:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 12:30:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 12:30:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 12:30:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 12:30:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 12:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 12:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 12:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 12:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 12:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 12:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 12:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 12:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 12:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 12:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 12:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 12:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 12:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 12:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 12:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 12:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 12:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 12:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 12:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 12:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 12:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 12:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 12:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 12:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 12:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 12:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 12:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 12:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 12:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 12:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 12:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 12:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 12:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 12:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 12:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 12:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 12:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 12:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 12:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 12:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 12:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 12:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 12:30:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 12:30:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 12:30:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 12:30:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 12:30:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 12:30:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 12:30:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 12:30:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 12:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 12:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 12:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 12:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 12:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 12:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 12:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 12:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 12:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 12:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 12:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 12:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 12:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 12:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 12:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 12:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 12:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 12:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 12:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 12:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 12:30:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 12:30:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 12:30:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 12:30:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 12:30:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 12:30:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 12:30:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 12:30:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 12:30:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 12:30:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 12:30:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 12:30:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 12:30:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 12:30:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 12:30:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 12:30:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 12:30:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 12:30:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 12:30:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 12:30:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 12:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 12:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 12:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 12:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 12:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 12:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 12:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 12:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 12:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 12:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 12:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 12:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 12:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 12:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 12:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 12:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 12:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 12:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 12:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 12:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 12:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 12:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 12:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 12:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 12:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 12:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 12:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 12:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 12:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 12:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 12:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 12:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 12:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 12:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 12:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-21 12:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-21 12:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-21 12:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-11-21 12:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 12:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 12:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 12:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 12:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 12:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 12:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 12:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 12:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 12:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 12:30:56,011 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:30:56,399 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:30:56,845 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 12:30:56,845 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 12:30:56,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:30:56 BoogieIcfgContainer [2019-11-21 12:30:56,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 12:30:56,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 12:30:56,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 12:30:56,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 12:30:56,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:30:54" (1/3) ... [2019-11-21 12:30:56,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c6927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:30:56, skipping insertion in model container [2019-11-21 12:30:56,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:30:55" (2/3) ... [2019-11-21 12:30:56,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c6927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:30:56, skipping insertion in model container [2019-11-21 12:30:56,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:30:56" (3/3) ... [2019-11-21 12:30:56,859 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2019-11-21 12:30:56,869 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 12:30:56,881 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-11-21 12:30:56,894 INFO L249 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-11-21 12:30:56,928 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 12:30:56,929 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 12:30:56,929 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 12:30:56,929 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 12:30:56,929 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 12:30:56,930 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 12:30:56,930 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 12:30:56,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 12:30:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-11-21 12:30:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 12:30:56,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:56,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:56,973 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 12:30:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:56,991 INFO L82 PathProgramCache]: Analyzing trace with hash -659960183, now seen corresponding path program 1 times [2019-11-21 12:30:57,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:57,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2073422309] [2019-11-21 12:30:57,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:57,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:30:57,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:57,401 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:57,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2073422309] [2019-11-21 12:30:57,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:30:57,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 12:30:57,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744836828] [2019-11-21 12:30:57,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:30:57,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:57,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:30:57,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:57,500 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-11-21 12:30:57,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:57,569 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-11-21 12:30:57,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:30:57,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-21 12:30:57,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:57,587 INFO L225 Difference]: With dead ends: 53 [2019-11-21 12:30:57,587 INFO L226 Difference]: Without dead ends: 50 [2019-11-21 12:30:57,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-21 12:30:57,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-21 12:30:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-21 12:30:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-11-21 12:30:57,650 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-11-21 12:30:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:57,651 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-11-21 12:30:57,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:30:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-11-21 12:30:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 12:30:57,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:57,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:57,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:57,857 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 12:30:57,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:57,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1016071239, now seen corresponding path program 1 times [2019-11-21 12:30:57,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:57,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1361512317] [2019-11-21 12:30:57,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:58,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 12:30:58,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:58,277 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:58,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1361512317] [2019-11-21 12:30:58,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:30:58,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-21 12:30:58,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007686232] [2019-11-21 12:30:58,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 12:30:58,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 12:30:58,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 12:30:58,394 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 9 states. [2019-11-21 12:30:58,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:58,607 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-11-21 12:30:58,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:30:58,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 12:30:58,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:58,611 INFO L225 Difference]: With dead ends: 49 [2019-11-21 12:30:58,611 INFO L226 Difference]: Without dead ends: 49 [2019-11-21 12:30:58,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 12:30:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-21 12:30:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-21 12:30:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-21 12:30:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2019-11-21 12:30:58,620 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 24 [2019-11-21 12:30:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:58,620 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2019-11-21 12:30:58,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 12:30:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2019-11-21 12:30:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 12:30:58,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:58,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:58,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:58,827 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 12:30:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1402422094, now seen corresponding path program 1 times [2019-11-21 12:30:58,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:58,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [53637115] [2019-11-21 12:30:58,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:59,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:30:59,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:59,130 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:59,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [53637115] [2019-11-21 12:30:59,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:30:59,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:30:59,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305338318] [2019-11-21 12:30:59,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:30:59,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:59,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:30:59,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:59,259 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 5 states. [2019-11-21 12:30:59,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:30:59,326 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2019-11-21 12:30:59,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:30:59,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-21 12:30:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:30:59,335 INFO L225 Difference]: With dead ends: 68 [2019-11-21 12:30:59,335 INFO L226 Difference]: Without dead ends: 68 [2019-11-21 12:30:59,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:30:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-21 12:30:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 53. [2019-11-21 12:30:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-21 12:30:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-11-21 12:30:59,360 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-11-21 12:30:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:30:59,361 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-11-21 12:30:59,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:30:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-11-21 12:30:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 12:30:59,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:30:59,364 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:30:59,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:59,568 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 12:30:59,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:30:59,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1433437771, now seen corresponding path program 1 times [2019-11-21 12:30:59,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:30:59,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1073643880] [2019-11-21 12:30:59,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:30:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:30:59,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:30:59,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:30:59,837 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 12:30:59,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:30:59,843 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:30:59,844 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 12:30:59,844 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 12:30:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:59,891 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:30:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:30:59,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1073643880] [2019-11-21 12:30:59,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:30:59,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-21 12:30:59,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973685900] [2019-11-21 12:30:59,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 12:30:59,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:30:59,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 12:30:59,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 12:30:59,947 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 6 states. [2019-11-21 12:31:00,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:31:00,155 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2019-11-21 12:31:00,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 12:31:00,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-21 12:31:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:31:00,158 INFO L225 Difference]: With dead ends: 77 [2019-11-21 12:31:00,159 INFO L226 Difference]: Without dead ends: 77 [2019-11-21 12:31:00,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 12:31:00,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-21 12:31:00,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2019-11-21 12:31:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-21 12:31:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2019-11-21 12:31:00,168 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2019-11-21 12:31:00,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:31:00,168 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2019-11-21 12:31:00,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 12:31:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2019-11-21 12:31:00,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 12:31:00,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:31:00,171 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 12:31:00,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:00,375 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 12:31:00,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:31:00,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1695825101, now seen corresponding path program 1 times [2019-11-21 12:31:00,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:31:00,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [494646643] [2019-11-21 12:31:00,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:31:00,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 12:31:00,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:31:00,679 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 12:31:00,680 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 12:31:00,681 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 12:31:00,705 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 12:31:00,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:31:00,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 12:31:00,709 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 12:31:00,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:31:00,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:31:00,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:31:00,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 12:31:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:31:06,924 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:31:11,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:11,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 12:31:11,296 INFO L168 Benchmark]: Toolchain (without parser) took 17113.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 956.3 MB in the beginning and 986.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:11,296 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:31:11,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:11,298 INFO L168 Benchmark]: Boogie Preprocessor took 107.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:11,299 INFO L168 Benchmark]: RCFGBuilder took 1636.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.0 MB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:11,300 INFO L168 Benchmark]: TraceAbstraction took 14444.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 949.0 MB in the beginning and 986.1 MB in the end (delta: -37.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:11,304 INFO L335 ainManager$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 918.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1636.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.0 MB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14444.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 949.0 MB in the beginning and 986.1 MB in the end (delta: -37.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...