./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.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 e7145593e932ded499c4cd66a2795ff7414b2aa6 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 13:11:17,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 13:11:17,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 13:11:17,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 13:11:17,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 13:11:17,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 13:11:17,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 13:11:17,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 13:11:17,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 13:11:17,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 13:11:17,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 13:11:17,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 13:11:17,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 13:11:17,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 13:11:17,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 13:11:17,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 13:11:17,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 13:11:17,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 13:11:17,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 13:11:17,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 13:11:17,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 13:11:17,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 13:11:17,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 13:11:17,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 13:11:17,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 13:11:17,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 13:11:17,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 13:11:17,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 13:11:17,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 13:11:17,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 13:11:17,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 13:11:17,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 13:11:17,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 13:11:17,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 13:11:17,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 13:11:17,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 13:11:17,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 13:11:17,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 13:11:17,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 13:11:17,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 13:11:17,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 13:11:17,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 13:11:17,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 13:11:17,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 13:11:17,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 13:11:17,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 13:11:17,495 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 13:11:17,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 13:11:17,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 13:11:17,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 13:11:17,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 13:11:17,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 13:11:17,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 13:11:17,498 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 13:11:17,498 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 13:11:17,499 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 13:11:17,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 13:11:17,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 13:11:17,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:17,500 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 13:11:17,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 13:11:17,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 13:11:17,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 13:11:17,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 13:11:17,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 13:11:17,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 13:11:17,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 13:11:17,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 13:11:17,503 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 13:11:17,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 13:11:17,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 13:11:17,504 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 -> e7145593e932ded499c4cd66a2795ff7414b2aa6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 13:11:17,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 13:11:17,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 13:11:17,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 13:11:17,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 13:11:17,853 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 13:11:17,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-21 13:11:17,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ede54e/18f2061d9f0640ea81012bcc9e3b71cf/FLAG8c8b47afe [2019-11-21 13:11:18,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 13:11:18,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-21 13:11:18,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ede54e/18f2061d9f0640ea81012bcc9e3b71cf/FLAG8c8b47afe [2019-11-21 13:11:18,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ede54e/18f2061d9f0640ea81012bcc9e3b71cf [2019-11-21 13:11:18,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 13:11:18,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 13:11:18,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 13:11:18,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 13:11:18,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 13:11:18,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:11:18" (1/1) ... [2019-11-21 13:11:18,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b529ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:18, skipping insertion in model container [2019-11-21 13:11:18,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:11:18" (1/1) ... [2019-11-21 13:11:18,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 13:11:18,870 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:11:19,378 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 13:11:19,378 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 13:11:19,379 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,391 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 13:11:19,391 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 13:11:19,391 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,394 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 13:11:19,394 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 13:11:19,394 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,397 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 13:11:19,397 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 13:11:19,397 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,436 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 13:11:19,436 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 13:11:19,437 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,459 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 13:11:19,460 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [766] [2019-11-21 13:11:19,460 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:11:19,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:11:19,513 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 13:11:19,520 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:11:19,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:11:19,610 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 13:11:19,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:11:19,780 INFO L205 MainTranslator]: Completed translation [2019-11-21 13:11:19,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19 WrapperNode [2019-11-21 13:11:19,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 13:11:19,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 13:11:19,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 13:11:19,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 13:11:19,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (1/1) ... [2019-11-21 13:11:19,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 13:11:19,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 13:11:19,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 13:11:19,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 13:11:19,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (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 13:11:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 13:11:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 13:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 13:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 13:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 13:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 13:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 13:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 13:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 13:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 13:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 13:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 13:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 13:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 13:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 13:11:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 13:11:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 13:11:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 13:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 13:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 13:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 13:11:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 13:11:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 13:11:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 13:11:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 13:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 13:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 13:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 13:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 13:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 13:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 13:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 13:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 13:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 13:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 13:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 13:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 13:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 13:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 13:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-21 13:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-21 13:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-21 13:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-11-21 13:11:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 13:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 13:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 13:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 13:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 13:11:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 13:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 13:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 13:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 13:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 13:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 13:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 13:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 13:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 13:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 13:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 13:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 13:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 13:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 13:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 13:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 13:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 13:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 13:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 13:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 13:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 13:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 13:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 13:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 13:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 13:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 13:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 13:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 13:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 13:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 13:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 13:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 13:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 13:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 13:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 13:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 13:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 13:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 13:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 13:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 13:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 13:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 13:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 13:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 13:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 13:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 13:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 13:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 13:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 13:11:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 13:11:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 13:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 13:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 13:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 13:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 13:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 13:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 13:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 13:11:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 13:11:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 13:11:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 13:11:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 13:11:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 13:11:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 13:11:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 13:11:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 13:11:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 13:11:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 13:11:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 13:11:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 13:11:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 13:11:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 13:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 13:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 13:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 13:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 13:11:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 13:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 13:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 13:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 13:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 13:11:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 13:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 13:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 13:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 13:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 13:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 13:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 13:11:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 13:11:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 13:11:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 13:11:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 13:11:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 13:11:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 13:11:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 13:11:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 13:11:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 13:11:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 13:11:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 13:11:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 13:11:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 13:11:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 13:11:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 13:11:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 13:11:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 13:11:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 13:11:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 13:11:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 13:11:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 13:11:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 13:11:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 13:11:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 13:11:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 13:11:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:11:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 13:11:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 13:11:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 13:11:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 13:11:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 13:11:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 13:11:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 13:11:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 13:11:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 13:11:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 13:11:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 13:11:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 13:11:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 13:11:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 13:11:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 13:11:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 13:11:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:11:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 13:11:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 13:11:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 13:11:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 13:11:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 13:11:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 13:11:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 13:11:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 13:11:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 13:11:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 13:11:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 13:11:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 13:11:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 13:11:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 13:11:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-21 13:11:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-21 13:11:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-21 13:11:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-11-21 13:11:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 13:11:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 13:11:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 13:11:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 13:11:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 13:11:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 13:11:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 13:11:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 13:11:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 13:11:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 13:11:20,912 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:11:21,358 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:11:21,851 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 13:11:21,851 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 13:11:21,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:11:21 BoogieIcfgContainer [2019-11-21 13:11:21,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 13:11:21,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 13:11:21,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 13:11:21,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 13:11:21,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:11:18" (1/3) ... [2019-11-21 13:11:21,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb5905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:11:21, skipping insertion in model container [2019-11-21 13:11:21,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:11:19" (2/3) ... [2019-11-21 13:11:21,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb5905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:11:21, skipping insertion in model container [2019-11-21 13:11:21,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:11:21" (3/3) ... [2019-11-21 13:11:21,864 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-2.i [2019-11-21 13:11:21,875 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 13:11:21,885 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2019-11-21 13:11:21,902 INFO L249 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2019-11-21 13:11:21,925 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 13:11:21,926 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 13:11:21,926 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 13:11:21,926 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 13:11:21,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 13:11:21,927 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 13:11:21,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 13:11:21,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 13:11:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-21 13:11:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 13:11:21,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:21,977 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:11:21,978 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, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:21,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:21,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1763368088, now seen corresponding path program 1 times [2019-11-21 13:11:22,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:22,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1088960344] [2019-11-21 13:11:22,001 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 13:11:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:22,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:11:22,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:22,396 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 13:11:22,397 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:22,497 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 13:11:22,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1088960344] [2019-11-21 13:11:22,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:11:22,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 13:11:22,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039742386] [2019-11-21 13:11:22,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:11:22,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:11:22,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:11:22,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:11:22,525 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 5 states. [2019-11-21 13:11:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:11:22,618 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-11-21 13:11:22,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:11:22,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-21 13:11:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:11:22,634 INFO L225 Difference]: With dead ends: 84 [2019-11-21 13:11:22,634 INFO L226 Difference]: Without dead ends: 81 [2019-11-21 13:11:22,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:11:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-21 13:11:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2019-11-21 13:11:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-21 13:11:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-11-21 13:11:22,703 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 23 [2019-11-21 13:11:22,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:11:22,704 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-11-21 13:11:22,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:11:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-11-21 13:11:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 13:11:22,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:22,706 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:11:22,911 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:22,912 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, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:22,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:22,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1938474558, now seen corresponding path program 1 times [2019-11-21 13:11:22,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:22,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [50883264] [2019-11-21 13:11:22,914 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 13:11:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:23,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:11:23,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:23,222 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 13:11:23,222 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:23,281 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 13:11:23,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [50883264] [2019-11-21 13:11:23,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:11:23,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 13:11:23,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925780209] [2019-11-21 13:11:23,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:11:23,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:11:23,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:11:23,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:11:23,284 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states. [2019-11-21 13:11:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:11:23,320 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2019-11-21 13:11:23,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:11:23,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-21 13:11:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:11:23,323 INFO L225 Difference]: With dead ends: 63 [2019-11-21 13:11:23,323 INFO L226 Difference]: Without dead ends: 63 [2019-11-21 13:11:23,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:11:23,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-21 13:11:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-21 13:11:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-21 13:11:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-11-21 13:11:23,333 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 23 [2019-11-21 13:11:23,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:11:23,333 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-11-21 13:11:23,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:11:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-11-21 13:11:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 13:11:23,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:23,335 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:11:23,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:23,539 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, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1634285369, now seen corresponding path program 1 times [2019-11-21 13:11:23,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:23,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1992842529] [2019-11-21 13:11:23,541 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 13:11:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:23,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:11:23,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:23,874 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 13:11:23,874 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:23,977 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 13:11:23,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1992842529] [2019-11-21 13:11:23,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:11:23,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-21 13:11:23,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664015729] [2019-11-21 13:11:23,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 13:11:23,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:11:23,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 13:11:23,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 13:11:23,980 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 10 states. [2019-11-21 13:11:24,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:11:24,074 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-11-21 13:11:24,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 13:11:24,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-21 13:11:24,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:11:24,076 INFO L225 Difference]: With dead ends: 77 [2019-11-21 13:11:24,077 INFO L226 Difference]: Without dead ends: 77 [2019-11-21 13:11:24,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-21 13:11:24,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-21 13:11:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2019-11-21 13:11:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-21 13:11:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2019-11-21 13:11:24,093 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2019-11-21 13:11:24,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:11:24,093 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2019-11-21 13:11:24,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 13:11:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2019-11-21 13:11:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:11:24,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:24,095 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 13:11:24,298 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:24,299 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:24,300 INFO L82 PathProgramCache]: Analyzing trace with hash -36830405, now seen corresponding path program 1 times [2019-11-21 13:11:24,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:24,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1952402073] [2019-11-21 13:11:24,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:24,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 13:11:24,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:24,650 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 13:11:24,650 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:24,754 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 13:11:24,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1952402073] [2019-11-21 13:11:24,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:11:24,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-21 13:11:24,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469277647] [2019-11-21 13:11:24,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 13:11:24,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:11:24,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 13:11:24,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:11:24,757 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 9 states. [2019-11-21 13:11:24,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:11:24,945 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2019-11-21 13:11:24,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 13:11:24,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 13:11:24,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:11:24,948 INFO L225 Difference]: With dead ends: 66 [2019-11-21 13:11:24,949 INFO L226 Difference]: Without dead ends: 66 [2019-11-21 13:11:24,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:11:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-21 13:11:24,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-11-21 13:11:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-21 13:11:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2019-11-21 13:11:24,966 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2019-11-21 13:11:24,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:11:24,966 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2019-11-21 13:11:24,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 13:11:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2019-11-21 13:11:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 13:11:24,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:24,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:11:25,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:25,169 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:25,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1141742112, now seen corresponding path program 1 times [2019-11-21 13:11:25,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:25,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [398697511] [2019-11-21 13:11:25,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:25,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:11:25,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:25,468 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:11:25,469 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:11:25,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:11:25,474 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:11:25,474 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 13:11:25,518 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 13:11:25,518 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:25,576 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 13:11:25,576 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [398697511] [2019-11-21 13:11:25,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:11:25,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-21 13:11:25,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961735861] [2019-11-21 13:11:25,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 13:11:25,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:11:25,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 13:11:25,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 13:11:25,581 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2019-11-21 13:11:25,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:11:25,827 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2019-11-21 13:11:25,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 13:11:25,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-21 13:11:25,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:11:25,830 INFO L225 Difference]: With dead ends: 86 [2019-11-21 13:11:25,830 INFO L226 Difference]: Without dead ends: 86 [2019-11-21 13:11:25,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 13:11:25,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-21 13:11:25,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2019-11-21 13:11:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-21 13:11:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2019-11-21 13:11:25,840 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 25 [2019-11-21 13:11:25,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:11:25,841 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2019-11-21 13:11:25,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 13:11:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2019-11-21 13:11:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:11:25,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:11:25,844 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 13:11:26,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:26,056 INFO L410 AbstractCegarLoop]: === Iteration 6 === [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, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 13:11:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:11:26,057 INFO L82 PathProgramCache]: Analyzing trace with hash 876083774, now seen corresponding path program 1 times [2019-11-21 13:11:26,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:11:26,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1969592063] [2019-11-21 13:11:26,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:11:26,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 13:11:26,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:11:26,364 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:11:26,365 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 13:11:26,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:11:26,384 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 13:11:26,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:11:26,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:11:26,388 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 13:11:26,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:11:26,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:11:26,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:11:26,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:11:32,536 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 13:11:32,537 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:11:36,848 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:11:36,849 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 13:11:36,856 INFO L168 Benchmark]: Toolchain (without parser) took 18081.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 956.3 MB in the beginning and 910.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2019-11-21 13:11:36,856 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:11:36,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1007.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-21 13:11:36,858 INFO L168 Benchmark]: Boogie Preprocessor took 109.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-21 13:11:36,858 INFO L168 Benchmark]: RCFGBuilder took 1960.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. [2019-11-21 13:11:36,859 INFO L168 Benchmark]: TraceAbstraction took 14998.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 938.4 MB in the beginning and 910.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. [2019-11-21 13:11:36,862 INFO L335 ainManager$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 1007.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1960.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14998.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.1 MB). Free memory was 938.4 MB in the beginning and 910.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...