./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 701f399f 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 0.1.24-701f399 [2019-11-22 09:36:23,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 09:36:23,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 09:36:23,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 09:36:23,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 09:36:23,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 09:36:23,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 09:36:23,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 09:36:23,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 09:36:23,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 09:36:23,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 09:36:23,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 09:36:23,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 09:36:23,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 09:36:23,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 09:36:23,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 09:36:23,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 09:36:23,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 09:36:23,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 09:36:23,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 09:36:23,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 09:36:23,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 09:36:23,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 09:36:23,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 09:36:23,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 09:36:23,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 09:36:23,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 09:36:23,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 09:36:23,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 09:36:23,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 09:36:23,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 09:36:23,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 09:36:23,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 09:36:23,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 09:36:23,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 09:36:23,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 09:36:23,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 09:36:23,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 09:36:23,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 09:36:23,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 09:36:23,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 09:36:23,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-22 09:36:23,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 09:36:23,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 09:36:23,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 09:36:23,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 09:36:23,691 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 09:36:23,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 09:36:23,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 09:36:23,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 09:36:23,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 09:36:23,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 09:36:23,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 09:36:23,695 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 09:36:23,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 09:36:23,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 09:36:23,696 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 09:36:23,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:23,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 09:36:23,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 09:36:23,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 09:36:23,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 09:36:23,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 09:36:23,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 09:36:23,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 09:36:23,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 09:36:23,699 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 09:36:23,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 09:36:23,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 09:36:23,700 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 [2019-11-22 09:36:23,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 09:36:24,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 09:36:24,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 09:36:24,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 09:36:24,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 09:36:24,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-22 09:36:24,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335ca318e/4d5e545c47aa4c1f9329ec6ab7d78af2/FLAG846ea3950 [2019-11-22 09:36:24,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 09:36:24,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-22 09:36:24,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335ca318e/4d5e545c47aa4c1f9329ec6ab7d78af2/FLAG846ea3950 [2019-11-22 09:36:24,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335ca318e/4d5e545c47aa4c1f9329ec6ab7d78af2 [2019-11-22 09:36:24,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 09:36:24,952 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 09:36:24,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 09:36:24,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 09:36:24,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 09:36:24,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:36:24" (1/1) ... [2019-11-22 09:36:24,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68275591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:24, skipping insertion in model container [2019-11-22 09:36:24,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:36:24" (1/1) ... [2019-11-22 09:36:24,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 09:36:25,030 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 09:36:25,515 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 [2019-11-22 09:36:25,518 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 09:36:25,518 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,530 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 [2019-11-22 09:36:25,530 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 09:36:25,530 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,533 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 [2019-11-22 09:36:25,533 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 09:36:25,533 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,536 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 [2019-11-22 09:36:25,536 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 09:36:25,537 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,558 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 [2019-11-22 09:36:25,560 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 09:36:25,560 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,575 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 [2019-11-22 09:36:25,575 INFO L968 CHandler]: at location: C: (struct A16 *)ldv_malloc(sizeof(struct A16)) [763] [2019-11-22 09:36:25,576 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 09:36:25,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:36:25,616 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 09:36:25,630 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 09:36:25,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:36:25,746 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 09:36:25,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 09:36:25,886 INFO L205 MainTranslator]: Completed translation [2019-11-22 09:36:25,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25 WrapperNode [2019-11-22 09:36:25,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 09:36:25,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 09:36:25,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 09:36:25,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 09:36:25,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:25,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (1/1) ... [2019-11-22 09:36:26,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 09:36:26,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 09:36:26,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 09:36:26,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 09:36:26,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (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 [2019-11-22 09:36:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 09:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 09:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 09:36:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 09:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 09:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 09:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 09:36:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 09:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 09:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 09:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 09:36:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 09:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 09:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 09:36:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 09:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 09:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 09:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 09:36:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 09:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 09:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 09:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 09:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 09:36:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 09:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 09:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 09:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 09:36:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 09:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 09:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 09:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 09:36:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 09:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 09:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 09:36:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 09:36:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 09:36:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 09:36:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 09:36:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 09:36:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 09:36:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 09:36:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 09:36:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-22 09:36:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-22 09:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 09:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 09:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 09:36:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 09:36:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 09:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 09:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 09:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 09:36:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 09:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 09:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 09:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 09:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 09:36:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 09:36:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 09:36:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 09:36:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 09:36:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 09:36:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 09:36:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 09:36:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 09:36:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 09:36:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 09:36:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 09:36:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 09:36:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 09:36:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 09:36:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 09:36:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 09:36:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 09:36:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 09:36:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 09:36:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 09:36:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 09:36:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 09:36:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 09:36:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 09:36:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 09:36:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 09:36:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 09:36:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 09:36:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 09:36:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 09:36:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 09:36:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 09:36:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 09:36:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 09:36:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 09:36:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 09:36:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 09:36:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 09:36:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 09:36:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 09:36:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 09:36:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 09:36:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 09:36:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 09:36:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 09:36:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 09:36:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 09:36:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 09:36:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 09:36:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 09:36:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 09:36:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 09:36:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 09:36:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 09:36:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 09:36:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 09:36:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 09:36:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 09:36:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 09:36:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 09:36:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 09:36:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 09:36:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 09:36:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 09:36:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 09:36:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 09:36:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 09:36:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 09:36:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 09:36:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 09:36:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 09:36:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 09:36:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 09:36:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 09:36:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 09:36:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 09:36:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 09:36:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 09:36:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 09:36:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 09:36:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 09:36:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 09:36:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 09:36:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 09:36:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 09:36:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 09:36:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 09:36:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 09:36:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 09:36:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 09:36:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 09:36:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 09:36:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 09:36:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 09:36:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 09:36:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 09:36:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 09:36:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 09:36:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 09:36:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 09:36:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 09:36:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 09:36:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 09:36:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 09:36:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 09:36:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 09:36:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 09:36:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 09:36:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 09:36:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 09:36:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 09:36:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 09:36:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 09:36:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 09:36:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 09:36:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 09:36:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 09:36:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 09:36:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 09:36:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 09:36:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 09:36:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 09:36:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 09:36:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 09:36:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 09:36:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 09:36:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 09:36:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 09:36:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 09:36:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 09:36:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 09:36:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 09:36:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 09:36:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 09:36:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 09:36:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 09:36:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 09:36:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 09:36:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 09:36:26,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 09:36:26,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 09:36:26,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 09:36:26,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 09:36:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 09:36:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 09:36:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 09:36:26,135 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 09:36:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-22 09:36:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-22 09:36:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 09:36:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 09:36:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 09:36:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 09:36:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 09:36:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 09:36:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 09:36:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 09:36:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 09:36:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 09:36:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 09:36:26,976 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 09:36:27,381 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 09:36:27,753 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 09:36:27,753 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 09:36:27,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:36:27 BoogieIcfgContainer [2019-11-22 09:36:27,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 09:36:27,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 09:36:27,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 09:36:27,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 09:36:27,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:36:24" (1/3) ... [2019-11-22 09:36:27,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac33cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:36:27, skipping insertion in model container [2019-11-22 09:36:27,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:25" (2/3) ... [2019-11-22 09:36:27,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac33cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:36:27, skipping insertion in model container [2019-11-22 09:36:27,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:36:27" (3/3) ... [2019-11-22 09:36:27,766 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-22 09:36:27,776 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 09:36:27,787 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-22 09:36:27,799 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-22 09:36:27,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 09:36:27,823 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 09:36:27,824 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 09:36:27,824 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 09:36:27,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 09:36:27,827 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 09:36:27,828 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 09:36:27,828 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 09:36:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-22 09:36:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 09:36:27,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:27,870 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:27,871 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]=== [2019-11-22 09:36:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-22 09:36:27,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:27,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1569481222] [2019-11-22 09:36:27,903 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 [2019-11-22 09:36:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:28,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 09:36:28,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:28,327 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:28,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1569481222] [2019-11-22 09:36:28,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:28,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-22 09:36:28,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993938153] [2019-11-22 09:36:28,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 09:36:28,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:28,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 09:36:28,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 09:36:28,438 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-22 09:36:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:28,552 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-22 09:36:28,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 09:36:28,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-22 09:36:28,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:28,569 INFO L225 Difference]: With dead ends: 49 [2019-11-22 09:36:28,570 INFO L226 Difference]: Without dead ends: 46 [2019-11-22 09:36:28,572 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-22 09:36:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-22 09:36:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-22 09:36:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-22 09:36:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-22 09:36:28,627 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-22 09:36:28,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:28,628 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-22 09:36:28,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 09:36:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-22 09:36:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-22 09:36:28,629 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:28,630 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] [2019-11-22 09:36:28,832 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:28,833 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]=== [2019-11-22 09:36:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:28,834 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-22 09:36:28,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:28,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1613152535] [2019-11-22 09:36:28,837 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 [2019-11-22 09:36:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:29,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-22 09:36:29,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:29,127 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:29,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1613152535] [2019-11-22 09:36:29,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:29,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 09:36:29,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395815424] [2019-11-22 09:36:29,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 09:36:29,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:29,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 09:36:29,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 09:36:29,252 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-22 09:36:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:29,320 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-22 09:36:29,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 09:36:29,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-22 09:36:29,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:29,324 INFO L225 Difference]: With dead ends: 54 [2019-11-22 09:36:29,324 INFO L226 Difference]: Without dead ends: 43 [2019-11-22 09:36:29,325 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 [2019-11-22 09:36:29,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-22 09:36:29,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-22 09:36:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-22 09:36:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-22 09:36:29,351 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-22 09:36:29,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:29,351 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-22 09:36:29,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 09:36:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-22 09:36:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-22 09:36:29,353 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:29,353 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] [2019-11-22 09:36:29,556 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:29,558 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]=== [2019-11-22 09:36:29,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-22 09:36:29,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:29,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1234654864] [2019-11-22 09:36:29,560 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 [2019-11-22 09:36:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:29,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 09:36:29,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:29,921 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:30,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1234654864] [2019-11-22 09:36:30,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:30,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-22 09:36:30,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672064520] [2019-11-22 09:36:30,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 09:36:30,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:30,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 09:36:30,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-22 09:36:30,026 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-22 09:36:30,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:30,087 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-22 09:36:30,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 09:36:30,087 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-22 09:36:30,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:30,089 INFO L225 Difference]: With dead ends: 42 [2019-11-22 09:36:30,089 INFO L226 Difference]: Without dead ends: 42 [2019-11-22 09:36:30,089 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 [2019-11-22 09:36:30,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-22 09:36:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-22 09:36:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-22 09:36:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-22 09:36:30,103 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-22 09:36:30,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:30,104 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-22 09:36:30,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 09:36:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-22 09:36:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 09:36:30,107 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:30,107 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] [2019-11-22 09:36:30,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:30,319 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]=== [2019-11-22 09:36:30,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:30,320 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-22 09:36:30,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:30,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [610101190] [2019-11-22 09:36:30,321 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 [2019-11-22 09:36:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:30,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 09:36:30,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:30,644 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:30,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [610101190] [2019-11-22 09:36:30,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:30,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-22 09:36:30,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912854610] [2019-11-22 09:36:30,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 09:36:30,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:30,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 09:36:30,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-22 09:36:30,770 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 9 states. [2019-11-22 09:36:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:30,958 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-11-22 09:36:30,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 09:36:30,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-22 09:36:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:30,960 INFO L225 Difference]: With dead ends: 54 [2019-11-22 09:36:30,960 INFO L226 Difference]: Without dead ends: 52 [2019-11-22 09:36:30,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-22 09:36:30,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-22 09:36:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2019-11-22 09:36:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-22 09:36:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-11-22 09:36:30,966 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 24 [2019-11-22 09:36:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:30,967 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-11-22 09:36:30,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 09:36:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-11-22 09:36:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 09:36:30,968 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:30,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 09:36:31,171 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:31,173 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]=== [2019-11-22 09:36:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:31,173 INFO L82 PathProgramCache]: Analyzing trace with hash 286978519, now seen corresponding path program 1 times [2019-11-22 09:36:31,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:31,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [894697676] [2019-11-22 09:36:31,175 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 [2019-11-22 09:36:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:31,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 09:36:31,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:31,489 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:31,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [894697676] [2019-11-22 09:36:31,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:31,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2019-11-22 09:36:31,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588110732] [2019-11-22 09:36:31,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-22 09:36:31,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-22 09:36:31,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2019-11-22 09:36:31,730 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 17 states. [2019-11-22 09:36:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:32,373 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-11-22 09:36:32,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-22 09:36:32,374 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-22 09:36:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:32,375 INFO L225 Difference]: With dead ends: 48 [2019-11-22 09:36:32,375 INFO L226 Difference]: Without dead ends: 48 [2019-11-22 09:36:32,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2019-11-22 09:36:32,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-22 09:36:32,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-11-22 09:36:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-22 09:36:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-22 09:36:32,381 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 24 [2019-11-22 09:36:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:32,382 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-22 09:36:32,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-22 09:36:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-22 09:36:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-22 09:36:32,383 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:32,383 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] [2019-11-22 09:36:32,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:32,586 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]=== [2019-11-22 09:36:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-22 09:36:32,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:32,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1824840568] [2019-11-22 09:36:32,588 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 [2019-11-22 09:36:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:32,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-22 09:36:32,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:32,876 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 [2019-11-22 09:36:32,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 09:36:32,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 09:36:32,880 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 09:36:32,881 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 09:36:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:32,946 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:33,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1824840568] [2019-11-22 09:36:33,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:33,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-22 09:36:33,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739264849] [2019-11-22 09:36:33,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 09:36:33,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:33,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 09:36:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-22 09:36:33,066 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-22 09:36:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:33,209 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-11-22 09:36:33,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 09:36:33,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-22 09:36:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:33,212 INFO L225 Difference]: With dead ends: 49 [2019-11-22 09:36:33,213 INFO L226 Difference]: Without dead ends: 49 [2019-11-22 09:36:33,213 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 [2019-11-22 09:36:33,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-22 09:36:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2019-11-22 09:36:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-22 09:36:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-22 09:36:33,219 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-22 09:36:33,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:33,220 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-22 09:36:33,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 09:36:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-22 09:36:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-22 09:36:33,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:33,221 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] [2019-11-22 09:36:33,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:33,425 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]=== [2019-11-22 09:36:33,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:33,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-22 09:36:33,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:33,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [908131170] [2019-11-22 09:36:33,426 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 [2019-11-22 09:36:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:33,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 09:36:33,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:33,718 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:33,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [908131170] [2019-11-22 09:36:33,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 09:36:33,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-22 09:36:33,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97434804] [2019-11-22 09:36:33,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 09:36:33,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 09:36:33,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 09:36:33,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-22 09:36:33,915 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-22 09:36:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 09:36:34,007 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-22 09:36:34,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 09:36:34,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-22 09:36:34,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 09:36:34,010 INFO L225 Difference]: With dead ends: 47 [2019-11-22 09:36:34,010 INFO L226 Difference]: Without dead ends: 45 [2019-11-22 09:36:34,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-22 09:36:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-22 09:36:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-22 09:36:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-22 09:36:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-22 09:36:34,022 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-22 09:36:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 09:36:34,023 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-22 09:36:34,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 09:36:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-22 09:36:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-22 09:36:34,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 09:36:34,027 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] [2019-11-22 09:36:34,227 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:34,228 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]=== [2019-11-22 09:36:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 09:36:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-22 09:36:34,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 09:36:34,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [932018986] [2019-11-22 09:36:34,229 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 [2019-11-22 09:36:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 09:36:34,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 09:36:34,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 09:36:34,549 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 09:36:34,549 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 [2019-11-22 09:36:34,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 09:36:34,568 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 09:36:34,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:34,573 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. [2019-11-22 09:36:34,573 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 09:36:34,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:34,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:34,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:34,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 09:36:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 09:36:42,856 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 09:36:47,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 09:36:47,313 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 09:36:47,321 INFO L168 Benchmark]: Toolchain (without parser) took 22369.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:47,322 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 09:36:47,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 935.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:47,329 INFO L168 Benchmark]: Boogie Preprocessor took 120.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:47,330 INFO L168 Benchmark]: RCFGBuilder took 1746.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.4 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-22 09:36:47,335 INFO L168 Benchmark]: TraceAbstraction took 19563.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 982.4 MB in the beginning and 1.2 GB in the end (delta: -193.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 09:36:47,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 935.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1746.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.4 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19563.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 982.4 MB in the beginning and 1.2 GB in the end (delta: -193.9 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...