./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa 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_test16.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f9e4b987fddd5be88447132dcb5136b5a374e8f5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-21 21:19:57,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 21:19:57,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 21:19:57,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 21:19:57,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 21:19:57,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 21:19:57,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 21:19:57,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 21:19:57,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 21:19:57,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 21:19:57,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 21:19:57,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 21:19:57,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 21:19:57,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 21:19:57,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 21:19:57,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 21:19:57,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 21:19:57,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 21:19:57,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 21:19:57,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 21:19:57,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 21:19:57,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 21:19:57,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 21:19:57,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 21:19:57,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 21:19:57,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 21:19:57,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 21:19:57,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 21:19:57,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 21:19:57,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 21:19:57,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 21:19:57,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 21:19:57,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 21:19:57,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 21:19:57,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 21:19:57,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 21:19:57,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 21:19:57,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 21:19:57,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 21:19:57,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 21:19:57,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 21:19:57,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 21:19:57,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 21:19:57,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 21:19:57,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 21:19:57,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 21:19:57,657 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 21:19:57,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 21:19:57,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 21:19:57,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 21:19:57,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 21:19:57,659 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 21:19:57,660 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 21:19:57,661 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 21:19:57,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 21:19:57,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-21 21:19:57,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 21:19:57,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:57,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 21:19:57,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 21:19:57,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 21:19:57,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 21:19:57,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 21:19:57,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 21:19:57,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 21:19:57,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 21:19:57,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 21:19:57,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 21:19:57,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 21:19:57,666 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-21 21:19:58,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 21:19:58,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 21:19:58,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 21:19:58,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 21:19:58,027 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 21:19:58,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-21 21:19:58,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4a8296/bf099dde0557409ca7d90a0b7e49414e/FLAGaf52f6701 [2019-11-21 21:19:58,688 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 21:19:58,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-21 21:19:58,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4a8296/bf099dde0557409ca7d90a0b7e49414e/FLAGaf52f6701 [2019-11-21 21:19:58,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b4a8296/bf099dde0557409ca7d90a0b7e49414e [2019-11-21 21:19:58,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 21:19:58,944 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 21:19:58,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 21:19:58,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 21:19:58,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 21:19:58,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:19:58" (1/1) ... [2019-11-21 21:19:58,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e93ac70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:58, skipping insertion in model container [2019-11-21 21:19:58,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:19:58" (1/1) ... [2019-11-21 21:19:58,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 21:19:59,007 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 21:19:59,418 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,419 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 21:19:59,419 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,431 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,432 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 21:19:59,432 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,435 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,435 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 21:19:59,435 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,438 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,439 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 21:19:59,439 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,485 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,486 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 21:19:59,486 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,507 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 21:19:59,507 INFO L968 CHandler]: at location: C: (struct A16 *)ldv_malloc(sizeof(struct A16)) [763] [2019-11-21 21:19:59,508 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 21:19:59,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:19:59,543 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 21:19:59,558 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 21:19:59,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:19:59,642 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 21:19:59,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 21:19:59,805 INFO L205 MainTranslator]: Completed translation [2019-11-21 21:19:59,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59 WrapperNode [2019-11-21 21:19:59,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 21:19:59,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 21:19:59,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 21:19:59,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 21:19:59,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (1/1) ... [2019-11-21 21:19:59,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 21:19:59,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 21:19:59,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 21:19:59,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 21:19:59,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (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 21:19:59,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 21:19:59,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 21:19:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 21:19:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 21:19:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 21:19:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 21:19:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 21:19:59,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 21:19:59,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 21:19:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 21:19:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 21:19:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 21:19:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 21:19:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 21:19:59,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 21:19:59,988 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 21:19:59,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 21:19:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 21:19:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 21:19:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 21:19:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 21:19:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 21:19:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 21:19:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 21:19:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 21:19:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 21:19:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 21:19:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 21:20:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 21:20:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 21:20:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 21:20:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 21:20:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 21:20:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 21:20:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 21:20:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 21:20:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 21:20:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 21:20:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 21:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 21:20:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 21:20:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 21:20:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 21:20:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 21:20:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 21:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 21:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 21:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 21:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 21:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 21:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 21:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 21:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 21:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 21:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 21:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 21:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 21:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 21:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 21:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 21:20:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 21:20:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 21:20:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 21:20:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 21:20:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 21:20:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 21:20:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 21:20:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 21:20:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-21 21:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-21 21:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 21:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 21:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 21:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 21:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 21:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 21:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-21 21:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 21:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 21:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 21:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 21:20:00,644 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 21:20:01,025 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 21:20:01,393 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 21:20:01,395 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 21:20:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:20:01 BoogieIcfgContainer [2019-11-21 21:20:01,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 21:20:01,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 21:20:01,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 21:20:01,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 21:20:01,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:19:58" (1/3) ... [2019-11-21 21:20:01,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f04a571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:20:01, skipping insertion in model container [2019-11-21 21:20:01,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:19:59" (2/3) ... [2019-11-21 21:20:01,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f04a571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:20:01, skipping insertion in model container [2019-11-21 21:20:01,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:20:01" (3/3) ... [2019-11-21 21:20:01,415 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-21 21:20:01,430 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 21:20:01,448 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 21:20:01,464 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 21:20:01,492 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 21:20:01,493 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 21:20:01,493 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 21:20:01,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 21:20:01,495 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 21:20:01,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 21:20:01,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 21:20:01,502 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 21:20:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-21 21:20:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-21 21:20:01,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:01,542 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 21:20:01,543 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:01,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:01,549 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-21 21:20:01,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:01,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1029254845] [2019-11-21 21:20:01,574 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 21:20:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:01,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 21:20:01,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:02,003 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 21:20:02,004 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:02,099 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 21:20:02,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1029254845] [2019-11-21 21:20:02,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:02,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-21 21:20:02,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716926254] [2019-11-21 21:20:02,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-21 21:20:02,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:02,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-21 21:20:02,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-21 21:20:02,139 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-21 21:20:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:02,305 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-21 21:20:02,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-21 21:20:02,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-21 21:20:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:02,327 INFO L225 Difference]: With dead ends: 49 [2019-11-21 21:20:02,328 INFO L226 Difference]: Without dead ends: 46 [2019-11-21 21:20:02,332 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:20:02,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-21 21:20:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-21 21:20:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 21:20:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-21 21:20:02,427 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-21 21:20:02,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:02,429 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-21 21:20:02,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-21 21:20:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-21 21:20:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 21:20:02,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:02,432 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 21:20:02,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:02,646 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:02,647 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-21 21:20:02,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:02,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [61436497] [2019-11-21 21:20:02,649 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 21:20:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:02,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 21:20:02,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:02,933 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 21:20:02,935 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:03,037 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 21:20:03,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [61436497] [2019-11-21 21:20:03,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 21:20:03,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166205468] [2019-11-21 21:20:03,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 21:20:03,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:03,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 21:20:03,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 21:20:03,044 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-21 21:20:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:03,119 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-21 21:20:03,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 21:20:03,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-21 21:20:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:03,122 INFO L225 Difference]: With dead ends: 54 [2019-11-21 21:20:03,123 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 21:20:03,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 21:20:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 21:20:03,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-21 21:20:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 21:20:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-21 21:20:03,149 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-21 21:20:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:03,149 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-21 21:20:03,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 21:20:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-21 21:20:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 21:20:03,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:03,152 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 21:20:03,355 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:03,357 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:03,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:03,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-21 21:20:03,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:03,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1534339387] [2019-11-21 21:20:03,359 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 21:20:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:03,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 21:20:03,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:03,732 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 21:20:03,732 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:03,842 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 21:20:03,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1534339387] [2019-11-21 21:20:03,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:03,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 21:20:03,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274831842] [2019-11-21 21:20:03,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 21:20:03,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:03,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 21:20:03,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 21:20:03,845 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-21 21:20:03,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:03,905 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-21 21:20:03,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 21:20:03,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-21 21:20:03,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:03,907 INFO L225 Difference]: With dead ends: 42 [2019-11-21 21:20:03,907 INFO L226 Difference]: Without dead ends: 42 [2019-11-21 21:20:03,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:20:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-21 21:20:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-21 21:20:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 21:20:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-21 21:20:03,915 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-21 21:20:03,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:03,915 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-21 21:20:03,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 21:20:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-21 21:20:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 21:20:03,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:03,917 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 21:20:04,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:04,120 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:04,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:04,121 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-21 21:20:04,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:04,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [460949645] [2019-11-21 21:20:04,121 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 21:20:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:04,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 21:20:04,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:04,551 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 21:20:04,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:04,861 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 21:20:04,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [460949645] [2019-11-21 21:20:04,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:04,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-21 21:20:04,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627759174] [2019-11-21 21:20:04,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 21:20:04,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:04,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 21:20:04,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-21 21:20:04,865 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-21 21:20:05,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:05,193 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-11-21 21:20:05,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 21:20:05,195 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-21 21:20:05,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:05,196 INFO L225 Difference]: With dead ends: 41 [2019-11-21 21:20:05,196 INFO L226 Difference]: Without dead ends: 41 [2019-11-21 21:20:05,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-21 21:20:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-21 21:20:05,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-21 21:20:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-21 21:20:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2019-11-21 21:20:05,208 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 24 [2019-11-21 21:20:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:05,208 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2019-11-21 21:20:05,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 21:20:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2019-11-21 21:20:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 21:20:05,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:05,210 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 21:20:05,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:05,415 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:05,416 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-21 21:20:05,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:05,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [623581345] [2019-11-21 21:20:05,417 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 21:20:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:05,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 21:20:05,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:05,722 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 21:20:05,723 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:20:05,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:20:05,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 21:20:05,729 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 21:20:05,788 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 21:20:05,788 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:05,919 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 21:20:05,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [623581345] [2019-11-21 21:20:05,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:05,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 21:20:05,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279313256] [2019-11-21 21:20:05,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 21:20:05,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:05,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 21:20:05,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 21:20:05,921 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 9 states. [2019-11-21 21:20:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:06,102 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2019-11-21 21:20:06,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 21:20:06,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-21 21:20:06,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:06,103 INFO L225 Difference]: With dead ends: 50 [2019-11-21 21:20:06,103 INFO L226 Difference]: Without dead ends: 48 [2019-11-21 21:20:06,104 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:20:06,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-21 21:20:06,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-11-21 21:20:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-21 21:20:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-21 21:20:06,111 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 25 [2019-11-21 21:20:06,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:06,111 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-21 21:20:06,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 21:20:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-21 21:20:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 21:20:06,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:06,112 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 21:20:06,313 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:06,314 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:06,315 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-21 21:20:06,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:06,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1050041209] [2019-11-21 21:20:06,316 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 21:20:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:06,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 21:20:06,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:06,609 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 21:20:06,609 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 21:20:06,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1050041209] [2019-11-21 21:20:06,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:06,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 21:20:06,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952381102] [2019-11-21 21:20:06,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 21:20:06,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:06,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 21:20:06,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 21:20:06,678 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-21 21:20:06,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:06,749 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-11-21 21:20:06,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 21:20:06,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-21 21:20:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:06,751 INFO L225 Difference]: With dead ends: 49 [2019-11-21 21:20:06,751 INFO L226 Difference]: Without dead ends: 49 [2019-11-21 21:20:06,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 21:20:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-21 21:20:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2019-11-21 21:20:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-21 21:20:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-21 21:20:06,758 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-21 21:20:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:06,758 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-21 21:20:06,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 21:20:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-21 21:20:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 21:20:06,759 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:06,760 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, 1, 1] [2019-11-21 21:20:06,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:06,971 INFO L410 AbstractCegarLoop]: === Iteration 7 === [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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:06,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:06,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-21 21:20:06,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:06,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [786436142] [2019-11-21 21:20:06,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:07,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 21:20:07,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:07,267 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 21:20:07,268 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:07,424 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 21:20:07,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [786436142] [2019-11-21 21:20:07,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 21:20:07,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-21 21:20:07,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590477570] [2019-11-21 21:20:07,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 21:20:07,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 21:20:07,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 21:20:07,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-21 21:20:07,426 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-21 21:20:07,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 21:20:07,503 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-21 21:20:07,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 21:20:07,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-21 21:20:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 21:20:07,506 INFO L225 Difference]: With dead ends: 47 [2019-11-21 21:20:07,506 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 21:20:07,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-21 21:20:07,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 21:20:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-21 21:20:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-21 21:20:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-21 21:20:07,512 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-21 21:20:07,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 21:20:07,513 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-21 21:20:07,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 21:20:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-21 21:20:07,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-21 21:20:07,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 21:20:07,514 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, 1, 1, 1, 1, 1] [2019-11-21 21:20:07,716 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:07,717 INFO L410 AbstractCegarLoop]: === Iteration 8 === [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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 21:20:07,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 21:20:07,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-21 21:20:07,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 21:20:07,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1937863613] [2019-11-21 21:20:07,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 21:20:08,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-21 21:20:08,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 21:20:08,073 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 21:20:08,073 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 21:20:08,074 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 21:20:08,093 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 21:20:08,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:20:08,098 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 21:20:08,098 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 21:20:08,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:20:08,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:20:08,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:20:08,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 21:20:16,419 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 21:20:16,419 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 21:20:20,871 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 21:20:20,872 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 21:20:20,879 INFO L168 Benchmark]: Toolchain (without parser) took 21935.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.0 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -307.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-21 21:20:20,880 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 21:20:20,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 21:20:20,882 INFO L168 Benchmark]: Boogie Preprocessor took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-21 21:20:20,882 INFO L168 Benchmark]: RCFGBuilder took 1473.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2019-11-21 21:20:20,883 INFO L168 Benchmark]: TraceAbstraction took 19477.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 983.9 MB in the beginning and 1.3 GB in the end (delta: -278.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 21:20:20,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 860.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1473.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19477.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 983.9 MB in the beginning and 1.3 GB in the end (delta: -278.6 MB). There was no memory consumed. 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...