./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-701f399 [2019-11-22 09:35:55,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 09:35:55,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 09:35:55,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 09:35:55,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 09:35:55,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 09:35:55,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 09:35:55,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 09:35:55,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 09:35:55,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 09:35:55,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 09:35:55,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 09:35:55,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 09:35:55,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 09:35:55,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 09:35:55,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 09:35:55,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 09:35:55,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 09:35:55,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 09:35:55,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 09:35:55,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 09:35:55,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 09:35:55,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 09:35:55,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 09:35:55,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 09:35:55,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 09:35:55,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 09:35:55,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 09:35:55,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 09:35:55,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 09:35:55,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 09:35:55,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 09:35:55,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 09:35:55,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 09:35:55,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 09:35:55,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 09:35:55,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 09:35:55,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 09:35:55,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 09:35:55,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 09:35:55,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 09:35:55,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-22 09:35:55,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 09:35:55,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 09:35:55,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 09:35:55,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 09:35:55,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 09:35:55,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 09:35:55,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 09:35:55,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 09:35:55,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 09:35:55,975 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 09:35:55,976 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 09:35:55,976 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 09:35:55,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 09:35:55,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 09:35:55,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 09:35:55,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:55,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 09:35:55,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 09:35:55,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 09:35:55,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 09:35:55,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 09:35:55,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 09:35:55,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 09:35:55,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 09:35:55,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 09:35:55,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 09:35:55,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 09:35:55,981 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-22 09:35:56,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 09:35:56,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 09:35:56,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 09:35:56,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 09:35:56,330 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 09:35:56,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 09:35:56,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44821b2c3/d15e44b4c4b34a02bead1810afb0e202/FLAG2d696891a [2019-11-22 09:35:56,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 09:35:56,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 09:35:56,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44821b2c3/d15e44b4c4b34a02bead1810afb0e202/FLAG2d696891a [2019-11-22 09:35:57,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44821b2c3/d15e44b4c4b34a02bead1810afb0e202 [2019-11-22 09:35:57,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 09:35:57,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 09:35:57,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 09:35:57,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 09:35:57,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 09:35:57,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:57" (1/1) ... [2019-11-22 09:35:57,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d183b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:57, skipping insertion in model container [2019-11-22 09:35:57,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:57" (1/1) ... [2019-11-22 09:35:57,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 09:35:57,279 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 09:35:57,717 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,717 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 09:35:57,718 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,729 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,729 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 09:35:57,730 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,734 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,735 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 09:35:57,735 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,738 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,739 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 09:35:57,739 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,775 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,776 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 09:35:57,776 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,784 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 09:35:57,784 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-22 09:35:57,784 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:35:57,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:35:57,818 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 09:35:57,826 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 09:35:57,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:35:57,899 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 09:35:57,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:35:58,080 INFO L205 MainTranslator]: Completed translation [2019-11-22 09:35:58,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58 WrapperNode [2019-11-22 09:35:58,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 09:35:58,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 09:35:58,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 09:35:58,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 09:35:58,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... [2019-11-22 09:35:58,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 09:35:58,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 09:35:58,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 09:35:58,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 09:35:58,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 09:35:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 09:35:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 09:35:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 09:35:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 09:35:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 09:35:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 09:35:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 09:35:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 09:35:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 09:35:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 09:35:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 09:35:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 09:35:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 09:35:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 09:35:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 09:35:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 09:35:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 09:35:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 09:35:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 09:35:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 09:35:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 09:35:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 09:35:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 09:35:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 09:35:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 09:35:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 09:35:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 09:35:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 09:35:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 09:35:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 09:35:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 09:35:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 09:35:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 09:35:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 09:35:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 09:35:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 09:35:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 09:35:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 09:35:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 09:35:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 09:35:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 09:35:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 09:35:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 09:35:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 09:35:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 09:35:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 09:35:58,919 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 09:35:59,299 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 09:35:59,651 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 09:35:59,651 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 09:35:59,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:59 BoogieIcfgContainer [2019-11-22 09:35:59,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 09:35:59,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 09:35:59,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 09:35:59,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 09:35:59,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:35:57" (1/3) ... [2019-11-22 09:35:59,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dbe2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:59, skipping insertion in model container [2019-11-22 09:35:59,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:58" (2/3) ... [2019-11-22 09:35:59,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dbe2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:59, skipping insertion in model container [2019-11-22 09:35:59,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:59" (3/3) ... [2019-11-22 09:35:59,666 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-22 09:35:59,677 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 09:35:59,691 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-22 09:35:59,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-22 09:35:59,729 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 09:35:59,730 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 09:35:59,731 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 09:35:59,731 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 09:35:59,731 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 09:35:59,732 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 09:35:59,732 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 09:35:59,732 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 09:35:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-22 09:35:59,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-22 09:35:59,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:35:59,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:35:59,772 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 09:35:59,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:35:59,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-22 09:35:59,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:35:59,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1031122167] [2019-11-22 09:35:59,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:00,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 09:36:00,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:00,168 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:00,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1031122167] [2019-11-22 09:36:00,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:00,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 09:36:00,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078812804] [2019-11-22 09:36:00,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 09:36:00,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:00,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 09:36:00,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:00,287 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-22 09:36:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:00,336 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-22 09:36:00,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 09:36:00,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-22 09:36:00,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:00,360 INFO L225 Difference]: With dead ends: 24 [2019-11-22 09:36:00,360 INFO L226 Difference]: Without dead ends: 21 [2019-11-22 09:36:00,364 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:00,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-22 09:36:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-22 09:36:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-22 09:36:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-22 09:36:00,423 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-22 09:36:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:00,425 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-22 09:36:00,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 09:36:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-22 09:36:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 09:36:00,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:00,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:00,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:00,632 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 09:36:00,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:00,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-22 09:36:00,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:00,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [768278163] [2019-11-22 09:36:00,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:00,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 09:36:00,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:00,967 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:01,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [768278163] [2019-11-22 09:36:01,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:01,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 09:36:01,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493379077] [2019-11-22 09:36:01,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 09:36:01,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:01,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 09:36:01,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:01,021 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2019-11-22 09:36:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:01,079 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-22 09:36:01,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 09:36:01,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-22 09:36:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:01,081 INFO L225 Difference]: With dead ends: 26 [2019-11-22 09:36:01,081 INFO L226 Difference]: Without dead ends: 26 [2019-11-22 09:36:01,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-22 09:36:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-22 09:36:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 09:36:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 09:36:01,087 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 09:36:01,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:01,087 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 09:36:01,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 09:36:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 09:36:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 09:36:01,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:01,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:01,297 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:01,298 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 09:36:01,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:01,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1149259986, now seen corresponding path program 1 times [2019-11-22 09:36:01,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:01,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1355100028] [2019-11-22 09:36:01,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:01,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 09:36:01,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:01,633 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:01,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1355100028] [2019-11-22 09:36:01,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:01,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 09:36:01,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583554722] [2019-11-22 09:36:01,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 09:36:01,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:01,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 09:36:01,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-22 09:36:01,700 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-11-22 09:36:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:01,879 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-22 09:36:01,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 09:36:01,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-22 09:36:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:01,883 INFO L225 Difference]: With dead ends: 28 [2019-11-22 09:36:01,883 INFO L226 Difference]: Without dead ends: 28 [2019-11-22 09:36:01,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-22 09:36:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-22 09:36:01,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-11-22 09:36:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 09:36:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 09:36:01,894 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 09:36:01,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:01,894 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 09:36:01,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 09:36:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 09:36:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-22 09:36:01,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:01,895 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:02,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:02,100 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 09:36:02,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:02,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-22 09:36:02,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:02,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [902006658] [2019-11-22 09:36:02,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:02,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 09:36:02,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:02,365 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 09:36:02,365 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 09:36:02,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 09:36:02,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 09:36:02,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 09:36:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:02,409 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:02,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [902006658] [2019-11-22 09:36:02,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:02,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 09:36:02,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490819271] [2019-11-22 09:36:02,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 09:36:02,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:02,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 09:36:02,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:02,469 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-22 09:36:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:02,510 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-11-22 09:36:02,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 09:36:02,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-22 09:36:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:02,514 INFO L225 Difference]: With dead ends: 25 [2019-11-22 09:36:02,514 INFO L226 Difference]: Without dead ends: 25 [2019-11-22 09:36:02,515 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 09:36:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-22 09:36:02,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-11-22 09:36:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-22 09:36:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-22 09:36:02,522 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-22 09:36:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:02,523 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-22 09:36:02,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 09:36:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-22 09:36:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 09:36:02,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:02,525 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:02,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:02,727 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 09:36:02,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:02,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-22 09:36:02,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:02,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1919691558] [2019-11-22 09:36:02,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:02,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 09:36:02,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:03,029 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 09:36:03,030 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-22 09:36:03,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 09:36:03,052 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 09:36:03,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:03,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 09:36:03,058 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 09:36:03,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:03,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:03,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:03,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:09,308 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:13,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:13,729 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 09:36:13,735 INFO L168 Benchmark]: Toolchain (without parser) took 16547.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -86.3 MB). Peak memory consumption was 138.6 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:13,736 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 09:36:13,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:13,738 INFO L168 Benchmark]: Boogie Preprocessor took 111.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:13,738 INFO L168 Benchmark]: RCFGBuilder took 1460.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:13,739 INFO L168 Benchmark]: TraceAbstraction took 14077.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 995.3 MB in the beginning and 1.0 GB in the end (delta: -46.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:13,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 893.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1460.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14077.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 995.3 MB in the beginning and 1.0 GB in the end (delta: -46.0 MB). Peak memory consumption was 25.3 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...