./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c9c8a757 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_test22_1-1.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 d88c88b73ce2cba22159e6d055a27f0c7e4ebba5 ............................................................................................................................ 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_test22_1-1.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 d88c88b73ce2cba22159e6d055a27f0c7e4ebba5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-c9c8a75 [2019-11-28 10:03:12,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:12,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:12,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:12,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:12,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:12,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:12,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:12,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:12,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:12,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:12,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:12,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:12,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:12,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:12,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:12,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:12,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:12,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:12,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:12,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:12,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:12,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:12,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:12,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:12,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:12,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:12,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:12,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:12,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:12,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:12,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:12,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:12,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:12,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:12,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:12,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:12,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:12,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:12,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:12,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:12,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 10:03:13,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:13,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:13,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:13,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:13,009 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:13,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:13,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:13,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:13,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:13,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:13,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:13,011 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:13,011 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:13,012 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:13,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:13,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:13,013 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:13,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:13,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:13,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:13,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:13,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:13,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:13,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:13,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:13,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 10:03:13,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 10:03:13,016 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 -> d88c88b73ce2cba22159e6d055a27f0c7e4ebba5 [2019-11-28 10:03:13,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:13,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:13,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:13,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:13,360 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:13,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-28 10:03:13,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45fe35f2/21f8113f617c47b8a794c5abf909faaf/FLAG00ec9baf3 [2019-11-28 10:03:13,998 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:13,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-28 10:03:14,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45fe35f2/21f8113f617c47b8a794c5abf909faaf/FLAG00ec9baf3 [2019-11-28 10:03:14,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45fe35f2/21f8113f617c47b8a794c5abf909faaf [2019-11-28 10:03:14,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:14,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:14,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:14,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:14,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:14,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:14" (1/1) ... [2019-11-28 10:03:14,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d122c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:14, skipping insertion in model container [2019-11-28 10:03:14,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:14" (1/1) ... [2019-11-28 10:03:14,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:14,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:14,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:14,861 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 10:03:14,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@593ae404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:14, skipping insertion in model container [2019-11-28 10:03:14,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:14,862 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 10:03:14,864 INFO L168 Benchmark]: Toolchain (without parser) took 594.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:14,865 INFO L168 Benchmark]: CDTParser took 1.65 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 10:03:14,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:14,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 591.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 15.3 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-c9c8a75 [2019-11-28 10:03:16,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:16,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:16,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:16,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:16,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:16,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:16,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:16,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:16,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:16,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:16,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:16,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:16,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:16,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:16,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:16,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:16,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:16,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:16,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:16,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:16,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:16,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:16,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:16,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:16,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:16,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:16,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:16,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:16,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:16,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:16,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:16,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:16,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:16,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:16,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:16,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:16,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:16,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:16,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:16,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:16,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 10:03:16,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:16,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:16,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:16,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:16,743 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:16,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:16,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:16,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:16,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:16,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:16,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:16,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:16,745 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:16,745 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:16,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:16,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:16,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 10:03:16,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 10:03:16,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:16,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:16,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:16,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:16,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:16,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:16,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:16,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:16,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:16,749 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 10:03:16,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 10:03:16,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 10:03:16,750 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 -> d88c88b73ce2cba22159e6d055a27f0c7e4ebba5 [2019-11-28 10:03:17,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:17,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:17,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:17,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:17,059 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:17,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-28 10:03:17,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f722d7d/e73f36d451524efcaa5bba44b15c86ab/FLAG52614234c [2019-11-28 10:03:17,691 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:17,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-28 10:03:17,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f722d7d/e73f36d451524efcaa5bba44b15c86ab/FLAG52614234c [2019-11-28 10:03:17,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f722d7d/e73f36d451524efcaa5bba44b15c86ab [2019-11-28 10:03:17,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:17,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:17,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:17,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:17,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:17,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:17" (1/1) ... [2019-11-28 10:03:17,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:17, skipping insertion in model container [2019-11-28 10:03:17,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:17" (1/1) ... [2019-11-28 10:03:18,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:18,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:18,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:18,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 10:03:18,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:18,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:18,689 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 10:03:18,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:18,914 INFO L208 MainTranslator]: Completed translation [2019-11-28 10:03:18,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18 WrapperNode [2019-11-28 10:03:18,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:18,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 10:03:18,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 10:03:18,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 10:03:18,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:18,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:18,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:18,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:19,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:19,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:19,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:19,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 10:03:19,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 10:03:19,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 10:03:19,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 10:03:19,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (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 10:03:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 10:03:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 10:03:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 10:03:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 10:03:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 10:03:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 10:03:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 10:03:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 10:03:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 10:03:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 10:03:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 10:03:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 10:03:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 10:03:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 10:03:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 10:03:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 10:03:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 10:03:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 10:03:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 10:03:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 10:03:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 10:03:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 10:03:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 10:03:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 10:03:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 10:03:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 10:03:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 10:03:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 10:03:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 10:03:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 10:03:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 10:03:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 10:03:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 10:03:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 10:03:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 10:03:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 10:03:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 10:03:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 10:03:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 10:03:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 10:03:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 10:03:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 10:03:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 10:03:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 10:03:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 10:03:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 10:03:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 10:03:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 10:03:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 10:03:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 10:03:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 10:03:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 10:03:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 10:03:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 10:03:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 10:03:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 10:03:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 10:03:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 10:03:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 10:03:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 10:03:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 10:03:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 10:03:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 10:03:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 10:03:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 10:03:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 10:03:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 10:03:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 10:03:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 10:03:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 10:03:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 10:03:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 10:03:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 10:03:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 10:03:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 10:03:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 10:03:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 10:03:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 10:03:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 10:03:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 10:03:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 10:03:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 10:03:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 10:03:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 10:03:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 10:03:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 10:03:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 10:03:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 10:03:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 10:03:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 10:03:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 10:03:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 10:03:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 10:03:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 10:03:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 10:03:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 10:03:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 10:03:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 10:03:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 10:03:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 10:03:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 10:03:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 10:03:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 10:03:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 10:03:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 10:03:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 10:03:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 10:03:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 10:03:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 10:03:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 10:03:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 10:03:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 10:03:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 10:03:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 10:03:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 10:03:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 10:03:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 10:03:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 10:03:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 10:03:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 10:03:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 10:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 10:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 10:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 10:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 10:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 10:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 10:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 10:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 10:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 10:03:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 10:03:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 10:03:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 10:03:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 10:03:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 10:03:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 10:03:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 10:03:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 10:03:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 10:03:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 10:03:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 10:03:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 10:03:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 10:03:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 10:03:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 10:03:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 10:03:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 10:03:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 10:03:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 10:03:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 10:03:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 10:03:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 10:03:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 10:03:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 10:03:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 10:03:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 10:03:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 10:03:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 10:03:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 10:03:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 10:03:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 10:03:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 10:03:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 10:03:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 10:03:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 10:03:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 10:03:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 10:03:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 10:03:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 10:03:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 10:03:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 10:03:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 10:03:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 10:03:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 10:03:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 10:03:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 10:03:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 10:03:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 10:03:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 10:03:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 10:03:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 10:03:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 10:03:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 10:03:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 10:03:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 10:03:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 10:03:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 10:03:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 10:03:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 10:03:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 10:03:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 10:03:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 10:03:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 10:03:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 10:03:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 10:03:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 10:03:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 10:03:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 10:03:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 10:03:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 10:03:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 10:03:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 10:03:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 10:03:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 10:03:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 10:03:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 10:03:19,773 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:20,184 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:20,529 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 10:03:20,529 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 10:03:20,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:20 BoogieIcfgContainer [2019-11-28 10:03:20,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 10:03:20,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 10:03:20,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 10:03:20,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 10:03:20,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:03:17" (1/3) ... [2019-11-28 10:03:20,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fa4186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:20, skipping insertion in model container [2019-11-28 10:03:20,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18" (2/3) ... [2019-11-28 10:03:20,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fa4186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:20, skipping insertion in model container [2019-11-28 10:03:20,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:20" (3/3) ... [2019-11-28 10:03:20,544 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2019-11-28 10:03:20,555 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 10:03:20,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-28 10:03:20,581 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-28 10:03:20,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 10:03:20,612 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 10:03:20,612 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 10:03:20,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 10:03:20,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 10:03:20,613 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 10:03:20,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 10:03:20,613 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 10:03:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-11-28 10:03:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:20,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:20,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:20,660 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:20,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:20,668 INFO L82 PathProgramCache]: Analyzing trace with hash -580210168, now seen corresponding path program 1 times [2019-11-28 10:03:20,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:20,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075963644] [2019-11-28 10:03:20,682 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 10:03:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:20,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:20,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:20,948 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 10:03:20,949 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:20,959 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:20,959 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:20,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:20,994 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 10:03:20,995 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:21,058 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 10:03:21,059 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075963644] [2019-11-28 10:03:21,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:21,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 10:03:21,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17856266] [2019-11-28 10:03:21,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:21,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:21,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:21,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:21,090 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 5 states. [2019-11-28 10:03:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:21,435 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-28 10:03:21,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:21,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 10:03:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:21,453 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:03:21,454 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 10:03:21,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 10:03:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 10:03:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2019-11-28 10:03:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-28 10:03:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2019-11-28 10:03:21,512 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 17 [2019-11-28 10:03:21,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:21,513 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2019-11-28 10:03:21,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2019-11-28 10:03:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:21,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:21,514 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:21,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 10:03:21,734 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:21,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:21,734 INFO L82 PathProgramCache]: Analyzing trace with hash -580210167, now seen corresponding path program 1 times [2019-11-28 10:03:21,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:21,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8794034] [2019-11-28 10:03:21,735 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 10:03:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:21,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 10:03:21,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:21,889 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 10:03:21,892 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:21,898 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:21,899 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:21,899 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:21,945 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:22,301 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 10:03:22,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8794034] [2019-11-28 10:03:22,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:22,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-28 10:03:22,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235974875] [2019-11-28 10:03:22,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 10:03:22,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:22,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 10:03:22,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:22,306 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 10 states. [2019-11-28 10:03:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:23,042 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2019-11-28 10:03:23,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 10:03:23,046 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-28 10:03:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:23,048 INFO L225 Difference]: With dead ends: 152 [2019-11-28 10:03:23,048 INFO L226 Difference]: Without dead ends: 152 [2019-11-28 10:03:23,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:23,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-28 10:03:23,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2019-11-28 10:03:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-28 10:03:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2019-11-28 10:03:23,064 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 17 [2019-11-28 10:03:23,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:23,065 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2019-11-28 10:03:23,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 10:03:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2019-11-28 10:03:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:23,066 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:23,066 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:23,267 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 10:03:23,268 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:23,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:23,269 INFO L82 PathProgramCache]: Analyzing trace with hash -551581017, now seen corresponding path program 1 times [2019-11-28 10:03:23,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:23,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942007999] [2019-11-28 10:03:23,271 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 10:03:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:23,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 10:03:23,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:23,444 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 10:03:23,445 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:23,482 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 10:03:23,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942007999] [2019-11-28 10:03:23,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:23,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 10:03:23,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57904092] [2019-11-28 10:03:23,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:23,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:23,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:23,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:23,484 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 5 states. [2019-11-28 10:03:23,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:23,509 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2019-11-28 10:03:23,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:23,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 10:03:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:23,513 INFO L225 Difference]: With dead ends: 146 [2019-11-28 10:03:23,513 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:03:23,513 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 10:03:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:03:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-28 10:03:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 10:03:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 152 transitions. [2019-11-28 10:03:23,535 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 152 transitions. Word has length 17 [2019-11-28 10:03:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:23,535 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 152 transitions. [2019-11-28 10:03:23,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2019-11-28 10:03:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 10:03:23,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:23,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:23,751 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 10:03:23,751 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:23,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:23,752 INFO L82 PathProgramCache]: Analyzing trace with hash 180429038, now seen corresponding path program 1 times [2019-11-28 10:03:23,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:23,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022280785] [2019-11-28 10:03:23,753 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 10:03:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:23,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:23,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:23,918 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 10:03:23,918 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:24,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022280785] [2019-11-28 10:03:24,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:24,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 10:03:24,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596325017] [2019-11-28 10:03:24,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:24,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:24,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:24,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:24,026 INFO L87 Difference]: Start difference. First operand 144 states and 152 transitions. Second operand 5 states. [2019-11-28 10:03:24,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:24,060 INFO L93 Difference]: Finished difference Result 146 states and 153 transitions. [2019-11-28 10:03:24,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:24,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 10:03:24,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:24,063 INFO L225 Difference]: With dead ends: 146 [2019-11-28 10:03:24,063 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:03:24,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 10:03:24,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:03:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-28 10:03:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 10:03:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2019-11-28 10:03:24,085 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 27 [2019-11-28 10:03:24,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:24,085 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2019-11-28 10:03:24,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2019-11-28 10:03:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 10:03:24,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:24,090 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:24,309 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,310 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:24,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:24,310 INFO L82 PathProgramCache]: Analyzing trace with hash -330105139, now seen corresponding path program 1 times [2019-11-28 10:03:24,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:24,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516101674] [2019-11-28 10:03:24,311 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 10:03:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:24,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 10:03:24,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:24,522 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 10:03:24,522 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:24,566 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 10:03:24,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516101674] [2019-11-28 10:03:24,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:24,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-28 10:03:24,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812873718] [2019-11-28 10:03:24,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 10:03:24,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:24,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 10:03:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 10:03:24,568 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 7 states. [2019-11-28 10:03:24,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:24,638 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2019-11-28 10:03:24,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 10:03:24,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-28 10:03:24,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:24,641 INFO L225 Difference]: With dead ends: 160 [2019-11-28 10:03:24,641 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 10:03:24,641 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 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 10:03:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 10:03:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2019-11-28 10:03:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-28 10:03:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2019-11-28 10:03:24,651 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 27 [2019-11-28 10:03:24,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:24,651 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2019-11-28 10:03:24,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 10:03:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2019-11-28 10:03:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 10:03:24,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:24,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:24,864 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,865 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:24,866 INFO L82 PathProgramCache]: Analyzing trace with hash 317366699, now seen corresponding path program 1 times [2019-11-28 10:03:24,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:24,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924956413] [2019-11-28 10:03:24,867 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 10:03:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:25,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 10:03:25,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:25,026 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 10:03:25,026 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:25,077 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 10:03:25,078 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924956413] [2019-11-28 10:03:25,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:25,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 10:03:25,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832125726] [2019-11-28 10:03:25,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 10:03:25,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:25,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 10:03:25,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 10:03:25,080 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 6 states. [2019-11-28 10:03:25,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:25,148 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2019-11-28 10:03:25,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 10:03:25,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-28 10:03:25,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:25,151 INFO L225 Difference]: With dead ends: 159 [2019-11-28 10:03:25,152 INFO L226 Difference]: Without dead ends: 155 [2019-11-28 10:03:25,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-28 10:03:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-28 10:03:25,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-28 10:03:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 10:03:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions. [2019-11-28 10:03:25,176 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 32 [2019-11-28 10:03:25,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:25,177 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions. [2019-11-28 10:03:25,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 10:03:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions. [2019-11-28 10:03:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 10:03:25,181 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:25,181 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:25,381 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 10:03:25,382 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1135828661, now seen corresponding path program 1 times [2019-11-28 10:03:25,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:25,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244560515] [2019-11-28 10:03:25,383 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 10:03:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:25,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:25,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,574 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,701 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244560515] [2019-11-28 10:03:25,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:25,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-28 10:03:25,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407945104] [2019-11-28 10:03:25,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 10:03:25,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:25,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 10:03:25,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:25,703 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand 10 states. [2019-11-28 10:03:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:25,958 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2019-11-28 10:03:25,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:03:25,959 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-28 10:03:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:25,960 INFO L225 Difference]: With dead ends: 163 [2019-11-28 10:03:25,961 INFO L226 Difference]: Without dead ends: 159 [2019-11-28 10:03:25,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:03:25,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-28 10:03:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-11-28 10:03:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-28 10:03:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2019-11-28 10:03:25,969 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 34 [2019-11-28 10:03:25,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:25,970 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2019-11-28 10:03:25,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 10:03:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2019-11-28 10:03:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 10:03:25,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:25,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:26,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,192 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash 591246760, now seen corresponding path program 1 times [2019-11-28 10:03:26,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:26,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340790436] [2019-11-28 10:03:26,194 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 10:03:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:26,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 10:03:26,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:26,426 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 10:03:26,426 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:26,473 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 10:03:26,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340790436] [2019-11-28 10:03:26,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:26,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-28 10:03:26,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313244584] [2019-11-28 10:03:26,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 10:03:26,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:26,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 10:03:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 10:03:26,501 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 7 states. [2019-11-28 10:03:26,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:26,567 INFO L93 Difference]: Finished difference Result 169 states and 176 transitions. [2019-11-28 10:03:26,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 10:03:26,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-28 10:03:26,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:26,569 INFO L225 Difference]: With dead ends: 169 [2019-11-28 10:03:26,569 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 10:03:26,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 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 10:03:26,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 10:03:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2019-11-28 10:03:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-28 10:03:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 172 transitions. [2019-11-28 10:03:26,576 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 172 transitions. Word has length 36 [2019-11-28 10:03:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:26,577 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 172 transitions. [2019-11-28 10:03:26,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 10:03:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 172 transitions. [2019-11-28 10:03:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 10:03:26,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:26,578 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:26,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,799 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash -212953728, now seen corresponding path program 1 times [2019-11-28 10:03:26,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:26,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549381355] [2019-11-28 10:03:26,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:26,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 10:03:26,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:26,937 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 10:03:26,937 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:27,069 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 10:03:27,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549381355] [2019-11-28 10:03:27,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:27,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 10:03:27,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177221830] [2019-11-28 10:03:27,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 10:03:27,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:27,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 10:03:27,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 10:03:27,072 INFO L87 Difference]: Start difference. First operand 165 states and 172 transitions. Second operand 3 states. [2019-11-28 10:03:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:27,256 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2019-11-28 10:03:27,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 10:03:27,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 10:03:27,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:27,258 INFO L225 Difference]: With dead ends: 176 [2019-11-28 10:03:27,259 INFO L226 Difference]: Without dead ends: 154 [2019-11-28 10:03:27,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 10:03:27,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-28 10:03:27,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2019-11-28 10:03:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 10:03:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2019-11-28 10:03:27,265 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 34 [2019-11-28 10:03:27,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:27,266 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2019-11-28 10:03:27,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 10:03:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2019-11-28 10:03:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 10:03:27,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:27,267 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:27,468 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-28 10:03:27,468 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:27,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345269, now seen corresponding path program 2 times [2019-11-28 10:03:27,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:27,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478201020] [2019-11-28 10:03:27,470 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:27,605 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:27,605 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:27,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 10:03:27,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:27,622 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 10:03:27,623 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:27,625 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:27,625 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:27,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 10:03:27,778 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 10:03:27,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478201020] [2019-11-28 10:03:27,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:27,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 10:03:27,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490653299] [2019-11-28 10:03:27,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 10:03:27,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:27,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 10:03:27,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 10:03:27,866 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 12 states. [2019-11-28 10:03:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:28,848 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-11-28 10:03:28,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 10:03:28,849 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-11-28 10:03:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:28,850 INFO L225 Difference]: With dead ends: 157 [2019-11-28 10:03:28,850 INFO L226 Difference]: Without dead ends: 157 [2019-11-28 10:03:28,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:03:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-28 10:03:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 145. [2019-11-28 10:03:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-28 10:03:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 151 transitions. [2019-11-28 10:03:28,856 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 151 transitions. Word has length 38 [2019-11-28 10:03:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:28,856 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 151 transitions. [2019-11-28 10:03:28,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 10:03:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 151 transitions. [2019-11-28 10:03:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 10:03:28,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:28,857 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:29,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-28 10:03:29,068 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:29,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:29,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345268, now seen corresponding path program 1 times [2019-11-28 10:03:29,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:29,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401742049] [2019-11-28 10:03:29,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:29,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 10:03:29,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:29,311 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:29,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401742049] [2019-11-28 10:03:29,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:29,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-28 10:03:29,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425263297] [2019-11-28 10:03:29,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 10:03:29,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:29,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 10:03:29,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-28 10:03:29,664 INFO L87 Difference]: Start difference. First operand 145 states and 151 transitions. Second operand 18 states. [2019-11-28 10:03:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:30,539 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2019-11-28 10:03:30,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:03:30,540 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-28 10:03:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:30,542 INFO L225 Difference]: With dead ends: 157 [2019-11-28 10:03:30,542 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 10:03:30,542 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-28 10:03:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 10:03:30,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-11-28 10:03:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-28 10:03:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 159 transitions. [2019-11-28 10:03:30,547 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 159 transitions. Word has length 38 [2019-11-28 10:03:30,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:30,548 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 159 transitions. [2019-11-28 10:03:30,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 10:03:30,548 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 159 transitions. [2019-11-28 10:03:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 10:03:30,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:30,549 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:30,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-28 10:03:30,755 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:30,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1038685964, now seen corresponding path program 2 times [2019-11-28 10:03:30,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:30,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733670980] [2019-11-28 10:03:30,757 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:30,913 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:30,914 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:30,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:03:30,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:30,934 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 10:03:30,934 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:30,941 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:30,942 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:30,942 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 10:03:31,194 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 10:03:32,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733670980] [2019-11-28 10:03:32,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:32,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 10:03:32,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435403592] [2019-11-28 10:03:32,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 10:03:32,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:32,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 10:03:32,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 10:03:32,116 INFO L87 Difference]: Start difference. First operand 153 states and 159 transitions. Second operand 23 states. [2019-11-28 10:03:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:35,013 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2019-11-28 10:03:35,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 10:03:35,014 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-28 10:03:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:35,016 INFO L225 Difference]: With dead ends: 152 [2019-11-28 10:03:35,016 INFO L226 Difference]: Without dead ends: 152 [2019-11-28 10:03:35,017 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 10:03:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-28 10:03:35,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-28 10:03:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 10:03:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-28 10:03:35,022 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 46 [2019-11-28 10:03:35,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:35,023 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-28 10:03:35,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 10:03:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-28 10:03:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 10:03:35,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:35,024 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:35,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-28 10:03:35,232 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:35,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1614588820, now seen corresponding path program 1 times [2019-11-28 10:03:35,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:35,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988844108] [2019-11-28 10:03:35,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:35,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 10:03:35,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:35,620 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:35,738 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-28 10:03:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:36,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988844108] [2019-11-28 10:03:36,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:36,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-28 10:03:36,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517772574] [2019-11-28 10:03:36,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-28 10:03:36,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:36,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-28 10:03:36,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-28 10:03:36,572 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 34 states. [2019-11-28 10:03:37,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:37,450 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2019-11-28 10:03:37,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-28 10:03:37,451 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-28 10:03:37,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:37,453 INFO L225 Difference]: With dead ends: 158 [2019-11-28 10:03:37,453 INFO L226 Difference]: Without dead ends: 154 [2019-11-28 10:03:37,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-28 10:03:37,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-28 10:03:37,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-28 10:03:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-28 10:03:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-28 10:03:37,464 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 51 [2019-11-28 10:03:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:37,465 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-28 10:03:37,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-28 10:03:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-28 10:03:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 10:03:37,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:37,466 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:37,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-28 10:03:37,678 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:37,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867828, now seen corresponding path program 2 times [2019-11-28 10:03:37,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:37,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657653884] [2019-11-28 10:03:37,680 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:37,826 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:37,826 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:37,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 10:03:37,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:37,839 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 10:03:37,839 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:37,841 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:37,841 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:37,841 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:37,971 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:38,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657653884] [2019-11-28 10:03:38,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:38,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 10:03:38,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164524715] [2019-11-28 10:03:38,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 10:03:38,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:38,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 10:03:38,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 10:03:38,054 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 12 states. [2019-11-28 10:03:38,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:38,980 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-28 10:03:38,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 10:03:38,981 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2019-11-28 10:03:38,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:38,982 INFO L225 Difference]: With dead ends: 164 [2019-11-28 10:03:38,982 INFO L226 Difference]: Without dead ends: 164 [2019-11-28 10:03:38,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:03:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-28 10:03:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-28 10:03:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 10:03:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-28 10:03:38,987 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 53 [2019-11-28 10:03:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:38,987 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-28 10:03:38,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 10:03:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-28 10:03:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 10:03:38,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:38,988 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:39,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-28 10:03:39,200 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:39,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867829, now seen corresponding path program 1 times [2019-11-28 10:03:39,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:39,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354140206] [2019-11-28 10:03:39,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:39,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:03:39,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:39,400 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 10:03:39,401 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:39,407 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:39,407 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:39,407 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:39,684 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:40,447 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:40,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354140206] [2019-11-28 10:03:40,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:40,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 10:03:40,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847866085] [2019-11-28 10:03:40,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 10:03:40,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:40,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 10:03:40,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 10:03:40,450 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 23 states. [2019-11-28 10:03:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:43,044 INFO L93 Difference]: Finished difference Result 150 states and 156 transitions. [2019-11-28 10:03:43,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 10:03:43,046 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-28 10:03:43,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:43,047 INFO L225 Difference]: With dead ends: 150 [2019-11-28 10:03:43,047 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:43,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 10:03:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:43,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 10:03:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 10:03:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 156 transitions. [2019-11-28 10:03:43,053 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 156 transitions. Word has length 53 [2019-11-28 10:03:43,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:43,053 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 156 transitions. [2019-11-28 10:03:43,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 10:03:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 156 transitions. [2019-11-28 10:03:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 10:03:43,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:43,058 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:43,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-28 10:03:43,268 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:43,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1782492395, now seen corresponding path program 1 times [2019-11-28 10:03:43,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:43,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121301782] [2019-11-28 10:03:43,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:43,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 10:03:43,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:43,491 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:43,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121301782] [2019-11-28 10:03:43,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:43,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-28 10:03:43,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267889277] [2019-11-28 10:03:43,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 10:03:43,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:43,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 10:03:43,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 10:03:43,618 INFO L87 Difference]: Start difference. First operand 150 states and 156 transitions. Second operand 8 states. [2019-11-28 10:03:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:43,658 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2019-11-28 10:03:43,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 10:03:43,659 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-28 10:03:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:43,660 INFO L225 Difference]: With dead ends: 152 [2019-11-28 10:03:43,660 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:43,661 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 10:03:43,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:43,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 10:03:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 10:03:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 155 transitions. [2019-11-28 10:03:43,665 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 155 transitions. Word has length 56 [2019-11-28 10:03:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:43,665 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 155 transitions. [2019-11-28 10:03:43,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 10:03:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2019-11-28 10:03:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 10:03:43,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:43,666 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:43,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-28 10:03:43,867 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:43,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:43,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1924935738, now seen corresponding path program 1 times [2019-11-28 10:03:43,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:43,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423517078] [2019-11-28 10:03:43,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:44,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 10:03:44,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:44,113 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:44,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:03:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:44,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423517078] [2019-11-28 10:03:44,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:44,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-28 10:03:44,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437209756] [2019-11-28 10:03:44,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 10:03:44,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:44,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 10:03:44,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:44,365 INFO L87 Difference]: Start difference. First operand 150 states and 155 transitions. Second operand 11 states. [2019-11-28 10:03:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:44,491 INFO L93 Difference]: Finished difference Result 154 states and 158 transitions. [2019-11-28 10:03:44,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 10:03:44,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2019-11-28 10:03:44,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:44,492 INFO L225 Difference]: With dead ends: 154 [2019-11-28 10:03:44,492 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:44,493 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:03:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 10:03:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 10:03:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-28 10:03:44,496 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 61 [2019-11-28 10:03:44,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:44,497 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-28 10:03:44,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 10:03:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-28 10:03:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-28 10:03:44,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:44,498 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:03:44,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,704 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235633, now seen corresponding path program 1 times [2019-11-28 10:03:44,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:44,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725045491] [2019-11-28 10:03:44,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:44,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 10:03:44,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:44,942 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 10:03:44,942 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:44,944 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:44,944 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:44,944 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:45,166 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:45,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725045491] [2019-11-28 10:03:45,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:45,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 14 [2019-11-28 10:03:45,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853992349] [2019-11-28 10:03:45,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 10:03:45,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 10:03:45,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:03:45,347 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 15 states. [2019-11-28 10:03:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:46,442 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2019-11-28 10:03:46,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 10:03:46,443 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 72 [2019-11-28 10:03:46,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:46,444 INFO L225 Difference]: With dead ends: 160 [2019-11-28 10:03:46,444 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 10:03:46,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 125 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-11-28 10:03:46,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 10:03:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2019-11-28 10:03:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 10:03:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-11-28 10:03:46,449 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 72 [2019-11-28 10:03:46,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:46,450 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-11-28 10:03:46,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 10:03:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-11-28 10:03:46,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-28 10:03:46,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:46,451 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:03:46,661 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2019-11-28 10:03:46,662 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:46,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:46,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235634, now seen corresponding path program 1 times [2019-11-28 10:03:46,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:46,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989709470] [2019-11-28 10:03:46,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:46,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-28 10:03:46,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:46,900 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 10:03:46,901 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:46,907 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:46,907 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:46,908 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:47,327 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:48,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989709470] [2019-11-28 10:03:48,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:48,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 28 [2019-11-28 10:03:48,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727324976] [2019-11-28 10:03:48,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-28 10:03:48,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:48,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-28 10:03:48,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2019-11-28 10:03:48,931 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 29 states. [2019-11-28 10:03:52,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:52,592 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2019-11-28 10:03:52,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 10:03:52,593 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 72 [2019-11-28 10:03:52,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:52,594 INFO L225 Difference]: With dead ends: 146 [2019-11-28 10:03:52,594 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:03:52,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=113, Invalid=1009, Unknown=0, NotChecked=0, Total=1122 [2019-11-28 10:03:52,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:03:52,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-28 10:03:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 10:03:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-11-28 10:03:52,599 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 72 [2019-11-28 10:03:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:52,599 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-11-28 10:03:52,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-28 10:03:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-11-28 10:03:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-28 10:03:52,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:52,601 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:52,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2019-11-28 10:03:52,814 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:52,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1822676548, now seen corresponding path program 1 times [2019-11-28 10:03:52,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:52,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386565583] [2019-11-28 10:03:52,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:53,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 10:03:53,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:53,117 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:53,316 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386565583] [2019-11-28 10:03:53,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:53,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-28 10:03:53,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840071288] [2019-11-28 10:03:53,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 10:03:53,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:53,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 10:03:53,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:53,318 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 11 states. [2019-11-28 10:03:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:53,410 INFO L93 Difference]: Finished difference Result 149 states and 152 transitions. [2019-11-28 10:03:53,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:03:53,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2019-11-28 10:03:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:53,412 INFO L225 Difference]: With dead ends: 149 [2019-11-28 10:03:53,412 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:03:53,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:03:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:03:53,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-28 10:03:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 10:03:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-28 10:03:53,418 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 81 [2019-11-28 10:03:53,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:53,418 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-28 10:03:53,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 10:03:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-28 10:03:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-28 10:03:53,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:53,420 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:53,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2019-11-28 10:03:53,632 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:53,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296345, now seen corresponding path program 1 times [2019-11-28 10:03:53,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:53,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791133233] [2019-11-28 10:03:53,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:53,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 10:03:53,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:53,905 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 10:03:53,905 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:53,907 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:53,907 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:53,908 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:54,159 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:54,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791133233] [2019-11-28 10:03:54,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:54,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 16 [2019-11-28 10:03:54,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822759036] [2019-11-28 10:03:54,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 10:03:54,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:54,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 10:03:54,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-28 10:03:54,370 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 17 states. [2019-11-28 10:03:55,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:55,616 INFO L93 Difference]: Finished difference Result 160 states and 162 transitions. [2019-11-28 10:03:55,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:03:55,616 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 94 [2019-11-28 10:03:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:55,618 INFO L225 Difference]: With dead ends: 160 [2019-11-28 10:03:55,618 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 10:03:55,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 165 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2019-11-28 10:03:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 10:03:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 144. [2019-11-28 10:03:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 10:03:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 147 transitions. [2019-11-28 10:03:55,624 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 147 transitions. Word has length 94 [2019-11-28 10:03:55,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:55,624 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 147 transitions. [2019-11-28 10:03:55,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 10:03:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2019-11-28 10:03:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-28 10:03:55,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:55,625 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:55,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 mathsat -unsat_core_generation=3 [2019-11-28 10:03:55,837 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:55,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:55,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296346, now seen corresponding path program 1 times [2019-11-28 10:03:55,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:55,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909507908] [2019-11-28 10:03:55,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:56,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-28 10:03:56,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:56,114 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 10:03:56,115 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:56,120 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:56,121 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:56,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:56,559 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:58,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909507908] [2019-11-28 10:03:58,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:58,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 16] imperfect sequences [] total 32 [2019-11-28 10:03:58,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404532318] [2019-11-28 10:03:58,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-11-28 10:03:58,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:58,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-11-28 10:03:58,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=965, Unknown=0, NotChecked=0, Total=1056 [2019-11-28 10:03:58,260 INFO L87 Difference]: Start difference. First operand 144 states and 147 transitions. Second operand 33 states. [2019-11-28 10:04:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:02,687 INFO L93 Difference]: Finished difference Result 142 states and 145 transitions. [2019-11-28 10:04:02,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:04:02,689 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 94 [2019-11-28 10:04:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:02,690 INFO L225 Difference]: With dead ends: 142 [2019-11-28 10:04:02,690 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 10:04:02,691 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 150 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=132, Invalid=1350, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 10:04:02,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 10:04:02,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-28 10:04:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 10:04:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 145 transitions. [2019-11-28 10:04:02,695 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 145 transitions. Word has length 94 [2019-11-28 10:04:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:02,696 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 145 transitions. [2019-11-28 10:04:02,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-11-28 10:04:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 145 transitions. [2019-11-28 10:04:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-28 10:04:02,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:02,697 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:02,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3 [2019-11-28 10:04:02,906 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -207269007, now seen corresponding path program 1 times [2019-11-28 10:04:02,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:02,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485878121] [2019-11-28 10:04:02,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:03,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 10:04:03,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:03,249 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:03,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485878121] [2019-11-28 10:04:03,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:03,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-28 10:04:03,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872717070] [2019-11-28 10:04:03,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 10:04:03,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:03,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 10:04:03,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:04:03,517 INFO L87 Difference]: Start difference. First operand 142 states and 145 transitions. Second operand 11 states. [2019-11-28 10:04:03,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:03,604 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2019-11-28 10:04:03,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:04:03,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2019-11-28 10:04:03,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:03,606 INFO L225 Difference]: With dead ends: 144 [2019-11-28 10:04:03,606 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 10:04:03,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:04:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 10:04:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-28 10:04:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 10:04:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-28 10:04:03,610 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 92 [2019-11-28 10:04:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:03,610 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-28 10:04:03,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 10:04:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-28 10:04:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-28 10:04:03,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:03,612 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:03,822 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 mathsat -unsat_core_generation=3 [2019-11-28 10:04:03,822 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash -889618677, now seen corresponding path program 1 times [2019-11-28 10:04:03,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:03,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269996362] [2019-11-28 10:04:03,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:04,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-28 10:04:04,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:04,134 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 10:04:04,134 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:04,136 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:04,136 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:04,136 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:04:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:04,572 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:04,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269996362] [2019-11-28 10:04:04,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:04,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-28 10:04:04,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90573890] [2019-11-28 10:04:04,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-28 10:04:04,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:04,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-28 10:04:04,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-28 10:04:04,818 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 21 states. [2019-11-28 10:04:06,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:06,502 INFO L93 Difference]: Finished difference Result 152 states and 153 transitions. [2019-11-28 10:04:06,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:06,503 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 107 [2019-11-28 10:04:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:06,505 INFO L225 Difference]: With dead ends: 152 [2019-11-28 10:04:06,505 INFO L226 Difference]: Without dead ends: 152 [2019-11-28 10:04:06,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 183 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-28 10:04:06,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-28 10:04:06,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2019-11-28 10:04:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 10:04:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2019-11-28 10:04:06,509 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 107 [2019-11-28 10:04:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:06,510 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2019-11-28 10:04:06,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-28 10:04:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2019-11-28 10:04:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-28 10:04:06,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:06,511 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:06,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 mathsat -unsat_core_generation=3 [2019-11-28 10:04:06,717 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:06,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:06,718 INFO L82 PathProgramCache]: Analyzing trace with hash -889618676, now seen corresponding path program 1 times [2019-11-28 10:04:06,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:06,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123019326] [2019-11-28 10:04:06,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:07,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 46 conjunts are in the unsatisfiable core [2019-11-28 10:04:07,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:07,061 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 10:04:07,061 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:07,067 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:07,067 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:07,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:04:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:08,136 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:10,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123019326] [2019-11-28 10:04:10,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:10,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 40 [2019-11-28 10:04:10,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990042805] [2019-11-28 10:04:10,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-11-28 10:04:10,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:10,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-11-28 10:04:10,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1525, Unknown=0, NotChecked=0, Total=1640 [2019-11-28 10:04:10,569 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand 41 states. [2019-11-28 10:04:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:15,925 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2019-11-28 10:04:15,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:15,926 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 107 [2019-11-28 10:04:15,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:15,927 INFO L225 Difference]: With dead ends: 138 [2019-11-28 10:04:15,927 INFO L226 Difference]: Without dead ends: 138 [2019-11-28 10:04:15,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 166 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=170, Invalid=2182, Unknown=0, NotChecked=0, Total=2352 [2019-11-28 10:04:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-28 10:04:15,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-11-28 10:04:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 10:04:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2019-11-28 10:04:15,932 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 107 [2019-11-28 10:04:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:15,933 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2019-11-28 10:04:15,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-11-28 10:04:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2019-11-28 10:04:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-28 10:04:15,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:15,934 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:16,143 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2019-11-28 10:04:16,144 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1613444290, now seen corresponding path program 1 times [2019-11-28 10:04:16,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:16,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132696772] [2019-11-28 10:04:16,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 27 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:16,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:04:16,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:17,403 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:18,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132696772] [2019-11-28 10:04:18,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:18,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 19] imperfect sequences [] total 39 [2019-11-28 10:04:18,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404618902] [2019-11-28 10:04:18,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-28 10:04:18,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:18,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-28 10:04:18,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1410, Unknown=0, NotChecked=0, Total=1560 [2019-11-28 10:04:18,280 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand 40 states. [2019-11-28 10:04:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:20,697 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2019-11-28 10:04:20,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:20,698 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 110 [2019-11-28 10:04:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:20,699 INFO L225 Difference]: With dead ends: 137 [2019-11-28 10:04:20,699 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 10:04:20,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 174 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=206, Invalid=1956, Unknown=0, NotChecked=0, Total=2162 [2019-11-28 10:04:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 10:04:20,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 10:04:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 10:04:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2019-11-28 10:04:20,704 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 110 [2019-11-28 10:04:20,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:20,704 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2019-11-28 10:04:20,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-28 10:04:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2019-11-28 10:04:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-28 10:04:20,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:20,706 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:20,915 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 mathsat -unsat_core_generation=3 [2019-11-28 10:04:20,916 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:20,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:20,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1140166607, now seen corresponding path program 1 times [2019-11-28 10:04:20,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:20,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427852965] [2019-11-28 10:04:20,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:21,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 87 conjunts are in the unsatisfiable core [2019-11-28 10:04:21,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:21,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:21,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:21,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:21,436 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:21,437 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:21,500 INFO L343 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2019-11-28 10:04:21,501 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2019-11-28 10:04:21,501 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:21,519 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:21,520 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:21,520 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:36 [2019-11-28 10:04:21,713 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:21,722 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:21,723 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:21,723 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:22 [2019-11-28 10:04:23,460 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 8))) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (bvadd |c_LDV_INIT_LIST_HEAD_#in~list.offset| (_ bv4 32)))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) |c_LDV_INIT_LIST_HEAD_#in~list.offset| v_DerPreprocessor_1) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0)))) |c_#memory_int|)) is different from true [2019-11-28 10:04:23,618 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2019-11-28 10:04:23,618 INFO L343 Elim1Store]: treesize reduction 360, result has 11.3 percent of original size [2019-11-28 10:04:23,619 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 59 [2019-11-28 10:04:23,619 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:23,642 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:23,643 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:23,643 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:40 [2019-11-28 10:04:25,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,072 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:25,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,083 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:25,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:25,086 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:25,087 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:25,097 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:25,097 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 192 treesize of output 164 [2019-11-28 10:04:25,102 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:25,140 INFO L588 ElimStorePlain]: treesize reduction 80, result has 45.9 percent of original size [2019-11-28 10:04:25,141 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:25,141 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:68 [2019-11-28 10:04:26,671 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:26,672 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 60 [2019-11-28 10:04:26,672 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:26,679 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:26,679 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:26,679 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:92, output treesize:47 [2019-11-28 10:04:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:26,812 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:29,982 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-28 10:04:32,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:04:32,088 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 518 treesize of output 408 [2019-11-28 10:04:32,100 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,101 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,101 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,102 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,107 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,108 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,117 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,118 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,118 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,120 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,120 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,121 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,129 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,130 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,130 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,131 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,131 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,132 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:32,134 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 47 [2019-11-28 10:04:32,136 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:32,138 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:32,138 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:32,164 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:32,165 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:32,165 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:1176, output treesize:658 [2019-11-28 10:04:34,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 mathsat -unsat_core_generation=3 [2019-11-28 10:04:34,376 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 10:04:34,380 INFO L168 Benchmark]: Toolchain (without parser) took 76396.13 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 569.9 MB). Free memory was 946.9 MB in the beginning and 1.4 GB in the end (delta: -408.7 MB). Peak memory consumption was 161.2 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:34,381 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:04:34,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:34,381 INFO L168 Benchmark]: Boogie Preprocessor took 148.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:04:34,382 INFO L168 Benchmark]: RCFGBuilder took 1465.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:34,382 INFO L168 Benchmark]: TraceAbstraction took 73845.02 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 422.6 MB). Free memory was 985.6 MB in the beginning and 1.4 GB in the end (delta: -370.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:34,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 930.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 148.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1465.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.6 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 73845.02 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 422.6 MB). Free memory was 985.6 MB in the beginning and 1.4 GB in the end (delta: -370.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...