./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.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_test20-1.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 a5516b34ce4d2b50304a50719ebf3dc9151f38e8 --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 11:12:05,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:12:05,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:12:05,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:12:05,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:12:05,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:12:05,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:12:05,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:12:05,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:12:05,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:12:05,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:12:05,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:12:05,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:12:05,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:12:05,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:12:05,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:12:05,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:12:05,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:12:05,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:12:05,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:12:05,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:12:05,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:12:05,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:12:05,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:12:05,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:12:05,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:12:05,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:12:05,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:12:05,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:12:05,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:12:05,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:12:05,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:12:05,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:12:05,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:12:05,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:12:05,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:12:05,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:12:05,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:12:05,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:12:05,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:12:05,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:12:05,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:12:05,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:12:05,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:12:05,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:12:05,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:12:05,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:12:05,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:12:05,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:12:05,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:12:05,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:12:05,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:12:05,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:12:05,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:12:05,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:12:05,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:12:05,380 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:05,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:12:05,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:12:05,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:12:05,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:12:05,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:12:05,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:12:05,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:12:05,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:12:05,382 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:12:05,383 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:12:05,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:12:05,383 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 -> a5516b34ce4d2b50304a50719ebf3dc9151f38e8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:12:05,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:12:05,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:12:05,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:12:05,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:12:05,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:12:05,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2019-11-21 11:12:05,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b168255c6/5f2763ad828847fd8d6139f41b65de99/FLAG28880224f [2019-11-21 11:12:06,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:12:06,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2019-11-21 11:12:06,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b168255c6/5f2763ad828847fd8d6139f41b65de99/FLAG28880224f [2019-11-21 11:12:06,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b168255c6/5f2763ad828847fd8d6139f41b65de99 [2019-11-21 11:12:06,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:12:06,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:12:06,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:12:06,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:12:06,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:12:06,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:06" (1/1) ... [2019-11-21 11:12:06,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6138b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:06, skipping insertion in model container [2019-11-21 11:12:06,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:12:06" (1/1) ... [2019-11-21 11:12:06,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:12:06,727 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:12:07,146 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 11:12:07,147 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:12:07,147 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,172 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 11:12:07,172 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:12:07,173 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,177 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 11:12:07,178 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:12:07,178 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,183 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 11:12:07,183 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:12:07,183 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,226 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 11:12:07,227 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:12:07,227 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,257 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 11:12:07,258 INFO L969 CHandler]: at location: C: (struct A20*)ldv_malloc(sizeof(struct A20)) [773] [2019-11-21 11:12:07,258 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:12:07,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:12:07,284 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:12:07,312 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:12:07,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:12:07,423 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:12:07,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:12:07,579 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:12:07,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07 WrapperNode [2019-11-21 11:12:07,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:12:07,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:12:07,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:12:07,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:12:07,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (1/1) ... [2019-11-21 11:12:07,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:12:07,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:12:07,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:12:07,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:12:07,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (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 11:12:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:12:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:12:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:12:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:12:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:12:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:12:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:12:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:12:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:12:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:12:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:12:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:12:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:12:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:12:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:12:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:12:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:12:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:12:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:12:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:12:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:12:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:12:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:12:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:12:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:12:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:12:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:12:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:12:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:12:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:12:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:12:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:12:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:12:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:12:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:12:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:12:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:12:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:12:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:12:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:12:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:12:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:12:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:12:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:12:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:12:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:12:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:12:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:12:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:12:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:12:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:12:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:12:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:12:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:12:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:12:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:12:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:12:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:12:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:12:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:12:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:12:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:12:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:12:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:12:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:12:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:12:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:12:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:12:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:12:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:12:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:12:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:12:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:12:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:12:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:12:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:12:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:12:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:12:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:12:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:12:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:12:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:12:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:12:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:12:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:12:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:12:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:12:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:12:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:12:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:12:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:12:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:12:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:12:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:12:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:12:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:12:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:12:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:12:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:12:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:12:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2019-11-21 11:12:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2019-11-21 11:12:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2019-11-21 11:12:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2019-11-21 11:12:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:12:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:12:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:12:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:12:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:12:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:12:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:12:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:12:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:12:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:12:08,514 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:12:08,890 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:12:09,278 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:12:09,279 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:12:09,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:12:09 BoogieIcfgContainer [2019-11-21 11:12:09,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:12:09,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:12:09,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:12:09,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:12:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:12:06" (1/3) ... [2019-11-21 11:12:09,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c965e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:12:09, skipping insertion in model container [2019-11-21 11:12:09,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:12:07" (2/3) ... [2019-11-21 11:12:09,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c965e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:12:09, skipping insertion in model container [2019-11-21 11:12:09,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:12:09" (3/3) ... [2019-11-21 11:12:09,293 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2019-11-21 11:12:09,303 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:12:09,311 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-21 11:12:09,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-21 11:12:09,351 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:12:09,351 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:12:09,351 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:12:09,351 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:12:09,351 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:12:09,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:12:09,352 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:12:09,352 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:12:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-11-21 11:12:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:12:09,377 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:12:09,378 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 11:12:09,379 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 11:12:09,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:12:09,385 INFO L82 PathProgramCache]: Analyzing trace with hash -516016505, now seen corresponding path program 1 times [2019-11-21 11:12:09,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:12:09,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [170861699] [2019-11-21 11:12:09,397 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 11:12:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:12:09,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:12:09,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:12:09,767 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 11:12:09,768 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:12:09,999 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 11:12:10,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [170861699] [2019-11-21 11:12:10,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:12:10,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:12:10,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765666078] [2019-11-21 11:12:10,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:12:10,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:12:10,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:12:10,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:12:10,029 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2019-11-21 11:12:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:12:10,079 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-21 11:12:10,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:12:10,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 11:12:10,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:12:10,097 INFO L225 Difference]: With dead ends: 35 [2019-11-21 11:12:10,097 INFO L226 Difference]: Without dead ends: 32 [2019-11-21 11:12:10,100 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 11:12:10,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-21 11:12:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2019-11-21 11:12:10,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-21 11:12:10,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-21 11:12:10,179 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2019-11-21 11:12:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:12:10,182 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-21 11:12:10,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:12:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-21 11:12:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:12:10,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:12:10,187 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 11:12:10,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:12:10,388 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 11:12:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:12:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1981999432, now seen corresponding path program 1 times [2019-11-21 11:12:10,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:12:10,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [979501396] [2019-11-21 11:12:10,391 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 11:12:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:12:10,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 11:12:10,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:12:10,667 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 11:12:10,667 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:12:10,795 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 11:12:10,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [979501396] [2019-11-21 11:12:10,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:12:10,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:12:10,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970812710] [2019-11-21 11:12:10,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:12:10,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:12:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:12:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:12:10,805 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2019-11-21 11:12:10,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:12:10,856 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-11-21 11:12:10,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:12:10,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-21 11:12:10,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:12:10,858 INFO L225 Difference]: With dead ends: 36 [2019-11-21 11:12:10,858 INFO L226 Difference]: Without dead ends: 25 [2019-11-21 11:12:10,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:12:10,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-21 11:12:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-21 11:12:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-21 11:12:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2019-11-21 11:12:10,864 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2019-11-21 11:12:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:12:10,865 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2019-11-21 11:12:10,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:12:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2019-11-21 11:12:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:12:10,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:12:10,866 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 11:12:11,070 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:12:11,071 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:12:11,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:12:11,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1621490628, now seen corresponding path program 1 times [2019-11-21 11:12:11,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:12:11,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1338480097] [2019-11-21 11:12:11,074 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 11:12:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:12:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:12:11,551 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-21 11:12:11,552 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-21 11:12:11,752 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:12:11,777 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-21 11:12:11,786 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 11:12:11,787 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,788 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 11:12:11,789 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,790 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,791 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,791 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,792 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,793 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,794 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,796 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,803 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,804 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,804 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,805 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,808 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,809 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,809 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,810 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,810 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,810 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,817 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,818 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,818 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,818 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,819 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,819 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,819 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2019-11-21 11:12:11,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:12:11 BoogieIcfgContainer [2019-11-21 11:12:11,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-21 11:12:11,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-21 11:12:11,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-21 11:12:11,834 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-21 11:12:11,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:12:09" (3/4) ... [2019-11-21 11:12:11,839 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-21 11:12:11,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-21 11:12:11,846 INFO L168 Benchmark]: Toolchain (without parser) took 5179.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -222.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:12:11,846 INFO L168 Benchmark]: CDTParser took 0.33 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 11:12:11,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:12:11,850 INFO L168 Benchmark]: Boogie Preprocessor took 101.25 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 11:12:11,852 INFO L168 Benchmark]: RCFGBuilder took 1599.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:12:11,855 INFO L168 Benchmark]: TraceAbstraction took 2551.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 981.7 MB in the beginning and 1.2 GB in the end (delta: -192.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:12:11,856 INFO L168 Benchmark]: Witness Printer took 8.57 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 11:12:11,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 913.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.25 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 1599.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2551.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 981.7 MB in the beginning and 1.2 GB in the end (delta: -192.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.57 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 *ldv_device - 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 *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 782]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 782. Possible FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L762] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L783] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L779] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L773] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=28, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=28, \result={-2146942448:0}, ldv_global_msg_list={541200:0}, malloc(size)={-2146942448:0}, saved_device_20={0:0}, size=28] [L773] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, ldv_malloc(sizeof(struct A20))={-2146942448:0}, saved_device_20={0:0}] [L773] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L774] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, p={-2146942448:0}, saved_device_20={0:0}] [L775] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={-2146942448:4}, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L764] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={-2146942448:4}, dev={-2146942448:4}, ldv_global_msg_list={541200:0}, saved_device_20={-2146942448:4}] [L775] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, p={-2146942448:0}, saved_device_20={-2146942448:4}] [L779] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={-2146942448:4}] [L780] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] [L783] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={541200:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 338 locations, 71 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 1 NumberOfNonLiveVariables, 178 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...