./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ab5f5ff4d71ad122b783c0775421c4a24259f1b --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 12:31:13,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 12:31:13,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 12:31:13,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 12:31:13,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 12:31:13,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 12:31:13,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 12:31:13,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 12:31:13,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 12:31:13,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 12:31:13,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 12:31:13,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 12:31:13,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 12:31:13,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 12:31:13,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 12:31:13,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 12:31:13,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 12:31:13,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 12:31:13,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 12:31:13,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 12:31:13,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 12:31:13,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 12:31:13,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 12:31:13,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 12:31:13,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 12:31:13,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 12:31:13,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 12:31:13,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 12:31:13,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 12:31:13,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 12:31:13,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 12:31:13,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 12:31:13,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 12:31:13,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 12:31:13,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 12:31:13,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 12:31:13,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 12:31:13,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 12:31:13,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 12:31:13,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 12:31:13,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 12:31:13,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 12:31:13,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 12:31:13,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 12:31:13,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 12:31:13,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 12:31:13,649 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 12:31:13,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 12:31:13,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 12:31:13,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 12:31:13,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 12:31:13,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 12:31:13,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 12:31:13,652 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 12:31:13,652 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 12:31:13,653 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 12:31:13,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 12:31:13,653 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 12:31:13,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:13,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 12:31:13,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 12:31:13,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 12:31:13,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 12:31:13,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 12:31:13,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 12:31:13,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:31:13,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 12:31:13,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 12:31:13,657 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 12:31:13,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 12:31:13,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 12:31:13,658 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab5f5ff4d71ad122b783c0775421c4a24259f1b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 12:31:13,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 12:31:13,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 12:31:13,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 12:31:13,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 12:31:13,975 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 12:31:13,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2019-11-21 12:31:14,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbebb21ff/4146e369674247298c5f1c20b0fa41c4/FLAGe715138e4 [2019-11-21 12:31:14,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 12:31:14,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2019-11-21 12:31:14,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbebb21ff/4146e369674247298c5f1c20b0fa41c4/FLAGe715138e4 [2019-11-21 12:31:14,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbebb21ff/4146e369674247298c5f1c20b0fa41c4 [2019-11-21 12:31:14,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 12:31:14,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 12:31:14,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 12:31:14,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 12:31:14,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 12:31:14,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:31:14" (1/1) ... [2019-11-21 12:31:14,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45842dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:14, skipping insertion in model container [2019-11-21 12:31:14,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:31:14" (1/1) ... [2019-11-21 12:31:14,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 12:31:14,933 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:31:15,370 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,371 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 12:31:15,371 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,395 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,395 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 12:31:15,396 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,398 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,399 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 12:31:15,399 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,401 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,402 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 12:31:15,402 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,424 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,425 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 12:31:15,425 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,433 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 12:31:15,433 INFO L969 CHandler]: at location: C: (struct A21*)ldv_malloc(sizeof(struct A21)) [763] [2019-11-21 12:31:15,434 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 12:31:15,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:31:15,461 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 12:31:15,480 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 12:31:15,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:31:15,564 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 12:31:15,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 12:31:15,717 INFO L205 MainTranslator]: Completed translation [2019-11-21 12:31:15,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15 WrapperNode [2019-11-21 12:31:15,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 12:31:15,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 12:31:15,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 12:31:15,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 12:31:15,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... [2019-11-21 12:31:15,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 12:31:15,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 12:31:15,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 12:31:15,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 12:31:15,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 12:31:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 12:31:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 12:31:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 12:31:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 12:31:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 12:31:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 12:31:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 12:31:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 12:31:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 12:31:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 12:31:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 12:31:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 12:31:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 12:31:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 12:31:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 12:31:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 12:31:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 12:31:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 12:31:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 12:31:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 12:31:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 12:31:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 12:31:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 12:31:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 12:31:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 12:31:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 12:31:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 12:31:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 12:31:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 12:31:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 12:31:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 12:31:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 12:31:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 12:31:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 12:31:15,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 12:31:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 12:31:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 12:31:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 12:31:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 12:31:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 12:31:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 12:31:16,689 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:31:17,141 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 12:31:17,479 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 12:31:17,480 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 12:31:17,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:17 BoogieIcfgContainer [2019-11-21 12:31:17,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 12:31:17,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 12:31:17,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 12:31:17,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 12:31:17,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:31:14" (1/3) ... [2019-11-21 12:31:17,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f647df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:17, skipping insertion in model container [2019-11-21 12:31:17,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:15" (2/3) ... [2019-11-21 12:31:17,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f647df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:17, skipping insertion in model container [2019-11-21 12:31:17,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:17" (3/3) ... [2019-11-21 12:31:17,492 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2019-11-21 12:31:17,506 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 12:31:17,514 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-21 12:31:17,529 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-21 12:31:17,556 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 12:31:17,556 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 12:31:17,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 12:31:17,557 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 12:31:17,557 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 12:31:17,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 12:31:17,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 12:31:17,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 12:31:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-11-21 12:31:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 12:31:17,591 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:31:17,592 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 12:31:17,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:31:17,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:31:17,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1476020096, now seen corresponding path program 1 times [2019-11-21 12:31:17,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:31:17,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [797117904] [2019-11-21 12:31:17,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 12:31:17,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 12:31:17,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 12:31:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:31:17,981 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 12:31:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 12:31:18,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [797117904] [2019-11-21 12:31:18,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 12:31:18,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 12:31:18,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205228906] [2019-11-21 12:31:18,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 12:31:18,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 12:31:18,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 12:31:18,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:31:18,217 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 5 states. [2019-11-21 12:31:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 12:31:18,269 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-21 12:31:18,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 12:31:18,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 12:31:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 12:31:18,286 INFO L225 Difference]: With dead ends: 30 [2019-11-21 12:31:18,286 INFO L226 Difference]: Without dead ends: 27 [2019-11-21 12:31:18,289 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 12:31:18,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-21 12:31:18,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-21 12:31:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-21 12:31:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-21 12:31:18,338 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 20 [2019-11-21 12:31:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 12:31:18,339 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-21 12:31:18,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 12:31:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-21 12:31:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 12:31:18,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 12:31:18,341 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 12:31:18,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:18,547 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 12:31:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 12:31:18,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1931443519, now seen corresponding path program 1 times [2019-11-21 12:31:18,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 12:31:18,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [116395000] [2019-11-21 12:31:18,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 12:31:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 12:31:18,986 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-21 12:31:18,986 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-21 12:31:19,192 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 12:31:19,204 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-21 12:31:19,213 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 12:31:19,214 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 12:31:19,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:31:19 BoogieIcfgContainer [2019-11-21 12:31:19,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-21 12:31:19,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-21 12:31:19,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-21 12:31:19,227 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-21 12:31:19,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:17" (3/4) ... [2019-11-21 12:31:19,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-21 12:31:19,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-21 12:31:19,236 INFO L168 Benchmark]: Toolchain (without parser) took 4360.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 853.4 MB in the end (delta: 108.3 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,237 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 12:31:19,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,241 INFO L168 Benchmark]: Boogie Preprocessor took 105.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,247 INFO L168 Benchmark]: RCFGBuilder took 1656.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.5 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,248 INFO L168 Benchmark]: TraceAbstraction took 1742.61 ms. Allocated memory is still 1.2 GB. Free memory was 977.5 MB in the beginning and 860.1 MB in the end (delta: 117.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,249 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory was 860.1 MB in the beginning and 853.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 12:31:19,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 841.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1656.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.5 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1742.61 ms. Allocated memory is still 1.2 GB. Free memory was 977.5 MB in the beginning and 860.1 MB in the end (delta: 117.4 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory was 860.1 MB in the beginning and 853.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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: 773]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 773. 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}] [L774] CALL entry_point() VAL [ldv_global_msg_list={1082401:0}] [L771] CALL, EXPR alloc_21() VAL [ldv_global_msg_list={1082401:0}] [L763] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={1082401:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=16, \result={-2146401247:0}, ldv_global_msg_list={1082401:0}, malloc(size)={-2146401247:0}, size=16] [L763] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={1082401:0}, ldv_malloc(sizeof(struct A21))={-2146401247:0}] [L763] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L764] COND TRUE \read(*p) [L765] return &p->dev; VAL [\result={-2146401247:4}, ldv_global_msg_list={1082401:0}, p={-2146401247:0}] [L771] RET, EXPR alloc_21() VAL [alloc_21()={-2146401247:4}, ldv_global_msg_list={1082401:0}] [L771] struct ldv_device *dev = alloc_21(); [L774] RET entry_point() VAL [ldv_global_msg_list={1082401:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 328 locations, 71 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 2 SDslu, 66 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1178 SizeOfPredicates, 1 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...