./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.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 3ce38c712cc66fed5e4989d3f519416fdc3b394c --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:11:18,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:11:18,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:11:18,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:11:18,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:11:18,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:11:18,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:11:18,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:11:18,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:11:18,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:11:18,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:11:18,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:11:18,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:11:18,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:11:18,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:11:18,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:11:18,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:11:18,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:11:18,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:11:18,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:11:18,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:11:18,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:11:18,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:11:18,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:11:18,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:11:18,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:11:18,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:11:18,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:11:18,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:11:18,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:11:18,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:11:18,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:11:18,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:11:18,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:11:18,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:11:18,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:11:18,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:11:18,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:11:18,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:11:18,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:11:18,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:11:18,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:11:18,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:11:18,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:11:18,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:11:18,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:11:18,350 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:11:18,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:11:18,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:11:18,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:11:18,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:11:18,351 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:11:18,353 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:11:18,353 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:11:18,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:11:18,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:11:18,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:18,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:11:18,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:11:18,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:11:18,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:11:18,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:11:18,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:11:18,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:11:18,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:11:18,357 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:11:18,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:11:18,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:11:18,358 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 -> 3ce38c712cc66fed5e4989d3f519416fdc3b394c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:11:18,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:11:18,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:11:18,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:11:18,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:11:18,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:11:18,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-11-21 11:11:18,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad984ee9b/dffe5cbb860640bbb8e540a3daf011f6/FLAG14331e320 [2019-11-21 11:11:19,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:11:19,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-11-21 11:11:19,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad984ee9b/dffe5cbb860640bbb8e540a3daf011f6/FLAG14331e320 [2019-11-21 11:11:19,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad984ee9b/dffe5cbb860640bbb8e540a3daf011f6 [2019-11-21 11:11:19,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:11:19,584 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:11:19,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:11:19,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:11:19,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:11:19,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:19" (1/1) ... [2019-11-21 11:11:19,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@802a1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:19, skipping insertion in model container [2019-11-21 11:11:19,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:19" (1/1) ... [2019-11-21 11:11:19,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:11:19,655 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:11:20,145 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,146 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:11:20,146 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,174 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,175 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:11:20,176 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,180 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,181 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:11:20,181 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,185 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,186 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:11:20,186 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,217 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,218 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:11:20,218 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,227 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:11:20,228 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-21 11:11:20,228 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:11:20,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:11:20,255 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:11:20,271 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:11:20,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:11:20,323 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:11:20,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:11:20,490 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:11:20,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20 WrapperNode [2019-11-21 11:11:20,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:11:20,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:11:20,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:11:20,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:11:20,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... [2019-11-21 11:11:20,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:11:20,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:11:20,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:11:20,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:11:20,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:11:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:11:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:11:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:11:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:11:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:11:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:11:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:11:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:11:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:11:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:11:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:11:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:11:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:11:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:11:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:11:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:11:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:11:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:11:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:11:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:11:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:11:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:11:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:11:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:11:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:11:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:11:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:11:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:11:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:11:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:11:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:11:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:11:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:11:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:11:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:11:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:11:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:11:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:11:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:11:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:11:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:11:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:11:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:11:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:11:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:11:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:11:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:11:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:11:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:11:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:11:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:11:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:11:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:11:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:11:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:11:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:11:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:11:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:11:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:11:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:11:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:11:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:11:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:11:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:11:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:11:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:11:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:11:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:11:21,321 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:11:21,724 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:11:22,108 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:11:22,109 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:11:22,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:22 BoogieIcfgContainer [2019-11-21 11:11:22,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:11:22,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:11:22,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:11:22,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:11:22,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:11:19" (1/3) ... [2019-11-21 11:11:22,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621de4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:11:22, skipping insertion in model container [2019-11-21 11:11:22,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:20" (2/3) ... [2019-11-21 11:11:22,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621de4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:11:22, skipping insertion in model container [2019-11-21 11:11:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:22" (3/3) ... [2019-11-21 11:11:22,124 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2019-11-21 11:11:22,135 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:11:22,146 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:11:22,160 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:11:22,185 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:11:22,185 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:11:22,185 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:11:22,186 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:11:22,186 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:11:22,186 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:11:22,186 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:11:22,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:11:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-21 11:11:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:11:22,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:11:22,217 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:11:22,218 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:11:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:11:22,224 INFO L82 PathProgramCache]: Analyzing trace with hash 851675501, now seen corresponding path program 1 times [2019-11-21 11:11:22,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:11:22,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [915855085] [2019-11-21 11:11:22,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:11:22,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:11:22,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:11:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:11:22,628 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:11:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:11:22,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [915855085] [2019-11-21 11:11:22,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:11:22,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 11:11:22,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495116540] [2019-11-21 11:11:22,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 11:11:22,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:11:22,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 11:11:22,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:11:22,704 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 7 states. [2019-11-21 11:11:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:11:22,772 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-21 11:11:22,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 11:11:22,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-21 11:11:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:11:22,784 INFO L225 Difference]: With dead ends: 33 [2019-11-21 11:11:22,784 INFO L226 Difference]: Without dead ends: 30 [2019-11-21 11:11:22,786 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-21 11:11:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-21 11:11:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-21 11:11:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-21 11:11:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-21 11:11:22,824 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-21 11:11:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:11:22,824 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-21 11:11:22,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 11:11:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-21 11:11:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:11:22,825 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:11:22,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:11:23,028 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:23,030 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:11:23,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:11:23,031 INFO L82 PathProgramCache]: Analyzing trace with hash 632137092, now seen corresponding path program 1 times [2019-11-21 11:11:23,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:11:23,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [335254206] [2019-11-21 11:11:23,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:11:23,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:11:23,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:11:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:11:23,313 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:11:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:11:23,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [335254206] [2019-11-21 11:11:23,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:11:23,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 11:11:23,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713375499] [2019-11-21 11:11:23,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-21 11:11:23,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:11:23,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-21 11:11:23,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-21 11:11:23,355 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 8 states. [2019-11-21 11:11:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:11:23,432 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-21 11:11:23,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-21 11:11:23,433 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-21 11:11:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:11:23,434 INFO L225 Difference]: With dead ends: 26 [2019-11-21 11:11:23,434 INFO L226 Difference]: Without dead ends: 25 [2019-11-21 11:11:23,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:11:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-21 11:11:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-21 11:11:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-21 11:11:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-11-21 11:11:23,440 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2019-11-21 11:11:23,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:11:23,440 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-11-21 11:11:23,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-21 11:11:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-11-21 11:11:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:11:23,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:11:23,442 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:11:23,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:23,645 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:11:23,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:11:23,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1195138116, now seen corresponding path program 1 times [2019-11-21 11:11:23,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:11:23,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [181156169] [2019-11-21 11:11:23,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:11:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:11:24,035 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-21 11:11:24,035 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-21 11:11:24,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:11:24,252 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-21 11:11:24,262 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:11:24,262 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:11:24,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:11:24 BoogieIcfgContainer [2019-11-21 11:11:24,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-21 11:11:24,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-21 11:11:24,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-21 11:11:24,276 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-21 11:11:24,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:22" (3/4) ... [2019-11-21 11:11:24,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-21 11:11:24,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-21 11:11:24,285 INFO L168 Benchmark]: Toolchain (without parser) took 4698.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -213.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:11:24,286 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:11:24,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:11:24,294 INFO L168 Benchmark]: Boogie Preprocessor took 112.11 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-21 11:11:24,295 INFO L168 Benchmark]: RCFGBuilder took 1499.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.3 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2019-11-21 11:11:24,296 INFO L168 Benchmark]: TraceAbstraction took 2161.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 958.3 MB in the beginning and 1.2 GB in the end (delta: -212.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:11:24,296 INFO L168 Benchmark]: Witness Printer took 5.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:11:24,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 906.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.11 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1499.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.3 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2161.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 958.3 MB in the beginning and 1.2 GB in the end (delta: -212.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={1082401:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={1082401:0}] [L768] CALL, EXPR f5() VAL [ldv_global_msg_list={1082401:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1082401:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={-2146401247:0}, ldv_global_msg_list={1082401:0}, malloc(size)={-2146401247:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1082401:0}, ldv_malloc(sizeof(int))={-2146401247:0}] [L759] int *p = (int *)ldv_malloc(sizeof(int)); [L760] return 0; VAL [\result={0:0}, ldv_global_msg_list={1082401:0}, p={-2146401247:0}] [L768] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={1082401:0}] [L768] int *p = f5(); [L769] CALL g5(p) VAL [ldv_global_msg_list={1082401:0}, p={0:0}] [L763] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1082401:0}, p={0:0}, p={0:0}] [L769] RET g5(p) VAL [ldv_global_msg_list={1082401:0}, p={0:0}] [L772] RET entry_point() VAL [ldv_global_msg_list={1082401:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 338 locations, 74 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 25 SDslu, 244 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 2654 SizeOfPredicates, 4 NumberOfNonLiveVariables, 161 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...