./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:16,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:16,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:16,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:16,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:16,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:16,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:16,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:16,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:16,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:16,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:16,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:16,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:16,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:16,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:16,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:16,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:16,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:16,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:16,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:16,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:16,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:16,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:16,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:16,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:16,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:16,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:16,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:16,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:16,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:16,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:16,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:16,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:16,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:16,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:16,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:16,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:16,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:16,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:16,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:16,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:39:16,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:16,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:16,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:16,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:16,793 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:16,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:16,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:16,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:16,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:16,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:16,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:16,796 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:16,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:16,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:16,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:16,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:16,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:16,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:16,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:16,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:16,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:16,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:16,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:16,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:16,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:16,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:39:16,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:39:16,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2019-11-28 02:39:17,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:17,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:17,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:17,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:17,139 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:17,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-28 02:39:17,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fed8fd91/256e44430324428b8e73d3ae5df155bc/FLAG26afffae5 [2019-11-28 02:39:17,810 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:17,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-28 02:39:17,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fed8fd91/256e44430324428b8e73d3ae5df155bc/FLAG26afffae5 [2019-11-28 02:39:18,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fed8fd91/256e44430324428b8e73d3ae5df155bc [2019-11-28 02:39:18,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:18,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:18,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:18,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:18,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:18,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:18" (1/1) ... [2019-11-28 02:39:18,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a6e3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:18, skipping insertion in model container [2019-11-28 02:39:18,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:18" (1/1) ... [2019-11-28 02:39:18,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:18,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:18,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:18,778 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:39:18,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71183413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:18, skipping insertion in model container [2019-11-28 02:39:18,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:18,780 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:39:18,783 INFO L168 Benchmark]: Toolchain (without parser) took 631.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:18,784 INFO L168 Benchmark]: CDTParser took 1.43 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. [2019-11-28 02:39:18,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:18,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 626.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:20,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:20,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:20,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:20,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:20,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:20,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:20,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:20,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:20,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:20,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:20,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:20,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:20,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:20,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:20,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:20,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:20,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:20,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:20,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:20,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:20,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:20,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:20,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:20,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:20,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:20,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:20,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:20,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:20,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:20,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:20,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:20,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:20,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:20,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:20,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:20,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:20,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:20,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:20,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:20,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:20,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:39:20,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:20,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:20,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:20,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:20,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:20,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:20,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:20,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:20,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:20,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:20,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:20,631 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:20,631 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:20,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:20,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:20,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:20,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:39:20,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:39:20,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:20,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:20,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:20,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:20,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:20,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:20,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:20,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:20,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:20,636 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:39:20,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:39:20,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:39:20,637 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2019-11-28 02:39:21,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:21,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:21,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:21,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:21,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:21,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-28 02:39:21,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0af3119/f8e28ab2e17c45bf8c31b8bbee0662a3/FLAGeceb899b3 [2019-11-28 02:39:21,716 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:21,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-28 02:39:21,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0af3119/f8e28ab2e17c45bf8c31b8bbee0662a3/FLAGeceb899b3 [2019-11-28 02:39:22,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0af3119/f8e28ab2e17c45bf8c31b8bbee0662a3 [2019-11-28 02:39:22,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:22,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:22,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:22,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:22,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:22,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22, skipping insertion in model container [2019-11-28 02:39:22,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:22,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:22,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:22,619 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:39:22,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:22,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:22,702 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:39:22,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:22,872 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:39:22,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22 WrapperNode [2019-11-28 02:39:22,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:22,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:39:22,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:39:22,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:39:22,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (1/1) ... [2019-11-28 02:39:22,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:39:22,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:39:22,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:39:22,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:39:22,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (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 [2019-11-28 02:39:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:39:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:39:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:39:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:39:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:39:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:39:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:39:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:39:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:39:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:39:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:39:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:39:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:39:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:39:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:39:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:39:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:39:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:39:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:39:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:39:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:39:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:39:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:39:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:39:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:39:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:39:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:39:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:39:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:39:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:39:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:39:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:39:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:39:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:39:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure free_21 [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:39:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:39:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:39:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:39:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:39:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:39:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:39:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:39:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:39:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:39:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:39:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:39:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:39:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:39:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:39:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:39:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:39:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:39:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:39:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:39:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:39:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:39:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:39:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:39:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:39:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:39:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:39:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:39:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:39:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:39:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:39:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:39:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:39:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:39:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:39:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:39:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:39:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:39:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:39:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:39:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:39:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:39:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:39:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:39:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:39:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:39:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:39:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:39:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:39:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:39:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:39:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:39:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:39:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:39:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:39:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:39:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:39:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:39:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:39:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:39:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:39:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:39:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:39:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:39:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:39:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:39:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:39:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:39:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:39:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:39:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:39:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:39:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:39:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:39:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:39:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:39:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:39:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:39:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:39:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:39:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:39:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:39:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:39:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:39:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:39:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:39:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:39:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:39:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure free_21 [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:39:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:39:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:39:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:39:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:39:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:39:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:39:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:39:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:39:23,763 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:24,168 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:24,497 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:39:24,498 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:39:24,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:24 BoogieIcfgContainer [2019-11-28 02:39:24,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:39:24,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:39:24,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:39:24,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:39:24,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:22" (1/3) ... [2019-11-28 02:39:24,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c4612c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:24, skipping insertion in model container [2019-11-28 02:39:24,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:22" (2/3) ... [2019-11-28 02:39:24,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c4612c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:24, skipping insertion in model container [2019-11-28 02:39:24,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:24" (3/3) ... [2019-11-28 02:39:24,509 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2019-11-28 02:39:24,519 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:39:24,531 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 02:39:24,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 02:39:24,567 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:39:24,568 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:39:24,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:39:24,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:39:24,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:39:24,569 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:39:24,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:39:24,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:39:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-28 02:39:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:39:24,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:24,613 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] [2019-11-28 02:39:24,614 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:24,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1560719066, now seen corresponding path program 1 times [2019-11-28 02:39:24,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:24,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832899032] [2019-11-28 02:39:24,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:24,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:39:24,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:25,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,063 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832899032] [2019-11-28 02:39:25,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:25,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-28 02:39:25,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582285383] [2019-11-28 02:39:25,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:39:25,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:25,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:39:25,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:39:25,254 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 11 states. [2019-11-28 02:39:25,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:25,471 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2019-11-28 02:39:25,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 02:39:25,474 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2019-11-28 02:39:25,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:25,485 INFO L225 Difference]: With dead ends: 52 [2019-11-28 02:39:25,486 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 02:39:25,488 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:39:25,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 02:39:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2019-11-28 02:39:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 02:39:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-11-28 02:39:25,535 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 21 [2019-11-28 02:39:25,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:25,536 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-11-28 02:39:25,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:39:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-11-28 02:39:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:39:25,537 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:25,538 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] [2019-11-28 02:39:25,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:39:25,750 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:25,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:25,751 INFO L82 PathProgramCache]: Analyzing trace with hash 182091269, now seen corresponding path program 1 times [2019-11-28 02:39:25,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:25,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718401480] [2019-11-28 02:39:25,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:25,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:39:25,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,913 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:25,996 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718401480] [2019-11-28 02:39:25,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:25,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:39:25,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927761457] [2019-11-28 02:39:25,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:39:25,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:25,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:39:25,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:25,999 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2019-11-28 02:39:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:26,020 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-11-28 02:39:26,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:39:26,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-28 02:39:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:26,022 INFO L225 Difference]: With dead ends: 49 [2019-11-28 02:39:26,022 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 02:39:26,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:26,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 02:39:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2019-11-28 02:39:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 02:39:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2019-11-28 02:39:26,031 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2019-11-28 02:39:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:26,032 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2019-11-28 02:39:26,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:39:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2019-11-28 02:39:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:39:26,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:26,033 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] [2019-11-28 02:39:26,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,248 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:26,248 INFO L82 PathProgramCache]: Analyzing trace with hash 311173988, now seen corresponding path program 1 times [2019-11-28 02:39:26,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:26,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757630402] [2019-11-28 02:39:26,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:26,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 02:39:26,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,522 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:26,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757630402] [2019-11-28 02:39:26,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:26,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-28 02:39:26,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24955848] [2019-11-28 02:39:26,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:39:26,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:26,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:39:26,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:26,574 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 7 states. [2019-11-28 02:39:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:26,629 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-11-28 02:39:26,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:39:26,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-28 02:39:26,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:26,631 INFO L225 Difference]: With dead ends: 45 [2019-11-28 02:39:26,631 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 02:39:26,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:39:26,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 02:39:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-28 02:39:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 02:39:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-11-28 02:39:26,644 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 21 [2019-11-28 02:39:26,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:26,645 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-11-28 02:39:26,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:39:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-11-28 02:39:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 02:39:26,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:26,647 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] [2019-11-28 02:39:26,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:39:26,856 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:26,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:26,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1137650385, now seen corresponding path program 1 times [2019-11-28 02:39:26,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:26,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290105759] [2019-11-28 02:39:26,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:27,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 02:39:27,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:27,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:27,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290105759] [2019-11-28 02:39:27,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:27,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2019-11-28 02:39:27,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836938851] [2019-11-28 02:39:27,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-28 02:39:27,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:27,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-28 02:39:27,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2019-11-28 02:39:27,923 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2019-11-28 02:39:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:28,655 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-11-28 02:39:28,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 02:39:28,656 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2019-11-28 02:39:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:28,657 INFO L225 Difference]: With dead ends: 56 [2019-11-28 02:39:28,658 INFO L226 Difference]: Without dead ends: 56 [2019-11-28 02:39:28,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2019-11-28 02:39:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-28 02:39:28,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2019-11-28 02:39:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 02:39:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-11-28 02:39:28,665 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 22 [2019-11-28 02:39:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:28,665 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-11-28 02:39:28,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-28 02:39:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-11-28 02:39:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:39:28,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:28,666 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] [2019-11-28 02:39:28,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:39:28,869 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash -907423160, now seen corresponding path program 1 times [2019-11-28 02:39:28,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:28,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014320331] [2019-11-28 02:39:28,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:28,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 02:39:28,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:29,024 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 [2019-11-28 02:39:29,024 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:39:29,027 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:39:29,027 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:39:29,027 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:39:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:29,124 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:29,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014320331] [2019-11-28 02:39:29,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:29,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-28 02:39:29,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805720716] [2019-11-28 02:39:29,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:39:29,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:39:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:39:29,249 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2019-11-28 02:39:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:29,480 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2019-11-28 02:39:29,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 02:39:29,481 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-11-28 02:39:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:29,482 INFO L225 Difference]: With dead ends: 51 [2019-11-28 02:39:29,483 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 02:39:29,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:39:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 02:39:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 02:39:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 02:39:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2019-11-28 02:39:29,492 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2019-11-28 02:39:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:29,492 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2019-11-28 02:39:29,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:39:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2019-11-28 02:39:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:39:29,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:29,494 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] [2019-11-28 02:39:29,702 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:39:29,703 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:29,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1412981785, now seen corresponding path program 1 times [2019-11-28 02:39:29,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:29,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724292643] [2019-11-28 02:39:29,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:29,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:39:29,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:29,889 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:29,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724292643] [2019-11-28 02:39:29,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:29,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:39:29,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060293417] [2019-11-28 02:39:29,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:39:29,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:29,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:39:29,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:29,991 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 5 states. [2019-11-28 02:39:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:30,014 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2019-11-28 02:39:30,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:39:30,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:39:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:30,015 INFO L225 Difference]: With dead ends: 41 [2019-11-28 02:39:30,015 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 02:39:30,016 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:39:30,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 02:39:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-28 02:39:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-28 02:39:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2019-11-28 02:39:30,021 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 23 [2019-11-28 02:39:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:30,021 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2019-11-28 02:39:30,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:39:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2019-11-28 02:39:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:39:30,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:30,023 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] [2019-11-28 02:39:30,241 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:39:30,243 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:30,244 INFO L82 PathProgramCache]: Analyzing trace with hash -298029978, now seen corresponding path program 1 times [2019-11-28 02:39:30,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:30,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334130590] [2019-11-28 02:39:30,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:30,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:39:30,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:30,407 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:30,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334130590] [2019-11-28 02:39:30,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:30,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:39:30,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762782680] [2019-11-28 02:39:30,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:39:30,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:30,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:39:30,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:39:30,576 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 3 states. [2019-11-28 02:39:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:30,605 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2019-11-28 02:39:30,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:39:30,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 02:39:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:30,607 INFO L225 Difference]: With dead ends: 44 [2019-11-28 02:39:30,607 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 02:39:30,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:39:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 02:39:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 02:39:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 02:39:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2019-11-28 02:39:30,611 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 25 [2019-11-28 02:39:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:30,612 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2019-11-28 02:39:30,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:39:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-11-28 02:39:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:39:30,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:30,613 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] [2019-11-28 02:39:30,819 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 02:39:30,820 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:30,822 INFO L82 PathProgramCache]: Analyzing trace with hash -339267371, now seen corresponding path program 1 times [2019-11-28 02:39:30,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:30,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140110007] [2019-11-28 02:39:30,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 02:39:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:30,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 02:39:30,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:37,234 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:46,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 02:39:46,888 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:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) 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.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:39:46,897 INFO L168 Benchmark]: Toolchain (without parser) took 24839.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -211.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:46,898 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:46,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -100.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:46,902 INFO L168 Benchmark]: Boogie Preprocessor took 114.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:46,902 INFO L168 Benchmark]: RCFGBuilder took 1512.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:46,903 INFO L168 Benchmark]: TraceAbstraction took 22390.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 944.2 MB in the beginning and 1.2 GB in the end (delta: -229.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:39:46,906 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 817.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -100.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1512.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22390.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 944.2 MB in the beginning and 1.2 GB in the end (delta: -229.0 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:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...