./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ............................................................................................................................ 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-5758efa [2019-11-26 21:15:38,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:15:38,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:15:38,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:15:38,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:15:38,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:15:38,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:15:38,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:15:38,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:15:38,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:15:38,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:15:38,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:15:38,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:15:38,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:15:38,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:15:38,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:15:38,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:15:38,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:15:38,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:15:38,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:15:38,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:15:38,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:15:38,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:15:38,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:15:38,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:15:38,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:15:38,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:15:38,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:15:38,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:15:38,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:15:38,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:15:38,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:15:38,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:15:38,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:15:38,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:15:38,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:15:38,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:15:38,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:15:38,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:15:38,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:15:38,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:15:38,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 21:15:38,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:15:38,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:15:38,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:15:38,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:15:38,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:15:38,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:15:38,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:15:38,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:15:38,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:15:38,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:15:38,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:15:38,970 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:15:38,970 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:15:38,971 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:15:38,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:15:38,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:15:38,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:15:38,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:15:38,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:15:38,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:15:38,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:15:38,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:15:38,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:15:38,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:15:38,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:15:38,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 21:15:38,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 21:15:38,975 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-26 21:15:39,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:15:39,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:15:39,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:15:39,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:15:39,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:15:39,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 21:15:39,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11aeb38b4/605805069299419ab1279f82c4dacd43/FLAG1debf0036 [2019-11-26 21:15:39,936 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:15:39,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 21:15:39,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11aeb38b4/605805069299419ab1279f82c4dacd43/FLAG1debf0036 [2019-11-26 21:15:40,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11aeb38b4/605805069299419ab1279f82c4dacd43 [2019-11-26 21:15:40,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:15:40,170 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:15:40,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:15:40,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:15:40,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:15:40,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:15:40" (1/1) ... [2019-11-26 21:15:40,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362d3ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:40, skipping insertion in model container [2019-11-26 21:15:40,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:15:40" (1/1) ... [2019-11-26 21:15:40,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:15:40,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:15:40,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:15:40,798 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) [2019-11-26 21:15:40,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35768228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:40, skipping insertion in model container [2019-11-26 21:15:40,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:15:40,799 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 21:15:40,802 INFO L168 Benchmark]: Toolchain (without parser) took 631.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-26 21:15:40,803 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-26 21:15:40,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-26 21:15:40,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 628.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 20.9 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 0.1.24-5758efa [2019-11-26 21:15:42,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:15:42,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:15:42,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:15:42,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:15:42,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:15:42,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:15:42,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:15:42,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:15:42,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:15:42,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:15:42,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:15:42,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:15:42,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:15:42,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:15:42,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:15:42,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:15:42,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:15:42,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:15:42,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:15:42,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:15:42,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:15:42,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:15:42,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:15:42,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:15:42,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:15:42,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:15:42,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:15:42,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:15:42,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:15:42,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:15:42,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:15:42,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:15:42,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:15:42,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:15:42,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:15:42,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:15:42,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:15:42,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:15:42,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:15:42,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:15:42,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 21:15:42,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:15:42,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:15:42,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:15:42,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:15:42,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:15:42,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:15:42,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:15:42,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:15:42,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:15:42,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:15:42,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:15:42,850 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:15:42,850 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:15:42,850 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:15:42,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:15:42,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:15:42,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 21:15:42,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 21:15:42,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:15:42,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:15:42,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:15:42,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:15:42,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:15:42,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:15:42,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:15:42,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:15:42,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:15:42,854 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 21:15:42,855 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 21:15:42,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 21:15:42,855 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-26 21:15:43,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:15:43,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:15:43,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:15:43,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:15:43,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:15:43,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 21:15:43,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358af06ec/265350c29a464e61aeb7f3ab2c7c7a93/FLAGd6a1d5126 [2019-11-26 21:15:43,762 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:15:43,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 21:15:43,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358af06ec/265350c29a464e61aeb7f3ab2c7c7a93/FLAGd6a1d5126 [2019-11-26 21:15:44,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358af06ec/265350c29a464e61aeb7f3ab2c7c7a93 [2019-11-26 21:15:44,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:15:44,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:15:44,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:15:44,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:15:44,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:15:44,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:15:44" (1/1) ... [2019-11-26 21:15:44,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aa0f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:44, skipping insertion in model container [2019-11-26 21:15:44,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:15:44" (1/1) ... [2019-11-26 21:15:44,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:15:44,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:15:44,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:15:44,793 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 21:15:44,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:15:44,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:15:44,917 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 21:15:44,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:15:45,082 INFO L208 MainTranslator]: Completed translation [2019-11-26 21:15:45,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45 WrapperNode [2019-11-26 21:15:45,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:15:45,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 21:15:45,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 21:15:45,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 21:15:45,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (1/1) ... [2019-11-26 21:15:45,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 21:15:45,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 21:15:45,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 21:15:45,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 21:15:45,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (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 [2019-11-26 21:15:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 21:15:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 21:15:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:15:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:15:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 21:15:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 21:15:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 21:15:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 21:15:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 21:15:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 21:15:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 21:15:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 21:15:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 21:15:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:15:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 21:15:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 21:15:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 21:15:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 21:15:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 21:15:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 21:15:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 21:15:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 21:15:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 21:15:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 21:15:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 21:15:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 21:15:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 21:15:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 21:15:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 21:15:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-26 21:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-26 21:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 21:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 21:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 21:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 21:15:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 21:15:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 21:15:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 21:15:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 21:15:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 21:15:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 21:15:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 21:15:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 21:15:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 21:15:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 21:15:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 21:15:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 21:15:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 21:15:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 21:15:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 21:15:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 21:15:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 21:15:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 21:15:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 21:15:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 21:15:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 21:15:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 21:15:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 21:15:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 21:15:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 21:15:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 21:15:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 21:15:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 21:15:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 21:15:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 21:15:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 21:15:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 21:15:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 21:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 21:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 21:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 21:15:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 21:15:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 21:15:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 21:15:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 21:15:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 21:15:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 21:15:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 21:15:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 21:15:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 21:15:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 21:15:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 21:15:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 21:15:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 21:15:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 21:15:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 21:15:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 21:15:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 21:15:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 21:15:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 21:15:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 21:15:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 21:15:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 21:15:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 21:15:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 21:15:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 21:15:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:15:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 21:15:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 21:15:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 21:15:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 21:15:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 21:15:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 21:15:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 21:15:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 21:15:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 21:15:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 21:15:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 21:15:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 21:15:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 21:15:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 21:15:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 21:15:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 21:15:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 21:15:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 21:15:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 21:15:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 21:15:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 21:15:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:15:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 21:15:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 21:15:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 21:15:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 21:15:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 21:15:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 21:15:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 21:15:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 21:15:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 21:15:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-26 21:15:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-26 21:15:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 21:15:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 21:15:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 21:15:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 21:15:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 21:15:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 21:15:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:15:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 21:15:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 21:15:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 21:15:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 21:15:46,004 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:15:46,448 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:15:47,054 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 21:15:47,055 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-26 21:15:47,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:15:47 BoogieIcfgContainer [2019-11-26 21:15:47,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 21:15:47,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 21:15:47,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 21:15:47,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 21:15:47,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 09:15:44" (1/3) ... [2019-11-26 21:15:47,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd69b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:15:47, skipping insertion in model container [2019-11-26 21:15:47,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:15:45" (2/3) ... [2019-11-26 21:15:47,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd69b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:15:47, skipping insertion in model container [2019-11-26 21:15:47,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:15:47" (3/3) ... [2019-11-26 21:15:47,070 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-26 21:15:47,082 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 21:15:47,092 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-26 21:15:47,108 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-26 21:15:47,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 21:15:47,135 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 21:15:47,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 21:15:47,136 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 21:15:47,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 21:15:47,136 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 21:15:47,136 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 21:15:47,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 21:15:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-26 21:15:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 21:15:47,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:15:47,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:15:47,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:15:47,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:15:47,198 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-26 21:15:47,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:15:47,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101123723] [2019-11-26 21:15:47,215 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 [2019-11-26 21:15:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:15:47,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:15:47,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:15:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:47,534 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:15:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:47,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101123723] [2019-11-26 21:15:47,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:15:47,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:15:47,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594542865] [2019-11-26 21:15:47,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:15:47,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:15:47,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:15:47,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:15:47,728 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-26 21:15:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:15:48,104 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-26 21:15:48,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:15:48,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 21:15:48,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:15:48,129 INFO L225 Difference]: With dead ends: 163 [2019-11-26 21:15:48,129 INFO L226 Difference]: Without dead ends: 160 [2019-11-26 21:15:48,132 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:15:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-26 21:15:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-26 21:15:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-26 21:15:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-26 21:15:48,228 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-26 21:15:48,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:15:48,229 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-26 21:15:48,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:15:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-26 21:15:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 21:15:48,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:15:48,231 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:15:48,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 21:15:48,445 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:15:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:15:48,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-26 21:15:48,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:15:48,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622789156] [2019-11-26 21:15:48,446 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 [2019-11-26 21:15:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:15:48,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:15:48,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:15:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:48,620 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:15:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:48,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622789156] [2019-11-26 21:15:48,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:15:48,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 21:15:48,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965026232] [2019-11-26 21:15:48,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 21:15:48,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:15:48,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 21:15:48,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:15:48,703 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-26 21:15:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:15:48,999 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-26 21:15:48,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 21:15:49,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-26 21:15:49,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:15:49,002 INFO L225 Difference]: With dead ends: 156 [2019-11-26 21:15:49,002 INFO L226 Difference]: Without dead ends: 153 [2019-11-26 21:15:49,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:15:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-26 21:15:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-26 21:15:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-26 21:15:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-26 21:15:49,014 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-26 21:15:49,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:15:49,015 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-26 21:15:49,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 21:15:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-26 21:15:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 21:15:49,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:15:49,016 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:15:49,235 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 21:15:49,238 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:15:49,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:15:49,239 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-26 21:15:49,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:15:49,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690312751] [2019-11-26 21:15:49,241 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 [2019-11-26 21:15:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:15:49,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 21:15:49,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:15:49,426 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 [2019-11-26 21:15:49,427 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:15:49,431 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:15:49,432 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:15:49,432 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:15:49,520 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:15:49,521 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-26 21:15:49,522 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:15:49,545 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 21:15:49,546 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:15:49,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-26 21:15:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:49,575 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:15:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:15:51,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690312751] [2019-11-26 21:15:51,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:15:51,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-26 21:15:51,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295039226] [2019-11-26 21:15:51,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-26 21:15:51,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:15:51,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-26 21:15:51,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-26 21:15:51,944 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-26 21:16:32,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:16:32,072 INFO L93 Difference]: Finished difference Result 233 states and 268 transitions. [2019-11-26 21:16:32,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 21:16:32,073 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-26 21:16:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:16:32,077 INFO L225 Difference]: With dead ends: 233 [2019-11-26 21:16:32,077 INFO L226 Difference]: Without dead ends: 233 [2019-11-26 21:16:32,078 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-26 21:16:32,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-11-26 21:16:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 119. [2019-11-26 21:16:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-26 21:16:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-26 21:16:32,093 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-26 21:16:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:16:32,094 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-26 21:16:32,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-26 21:16:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-26 21:16:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 21:16:32,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:16:32,095 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:16:32,298 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 21:16:32,303 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:16:32,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:16:32,303 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-26 21:16:32,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:16:32,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325742134] [2019-11-26 21:16:32,305 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 [2019-11-26 21:16:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:16:32,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-26 21:16:32,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:16:32,457 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 [2019-11-26 21:16:32,458 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:32,469 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:32,474 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 [2019-11-26 21:16:32,475 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:32,486 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:32,487 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:16:32,487 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 21:16:34,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 21:16:34,663 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-26 21:16:34,664 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:34,681 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:34,700 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:34,700 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-26 21:16:34,701 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:34,713 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:34,713 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:16:34,714 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-26 21:16:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:16:34,739 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:16:34,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:16:35,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:16:35,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:16:35,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:16:35,918 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-26 21:16:35,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:16:38,417 WARN L192 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-11-26 21:16:39,153 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 21:16:39,165 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-11-26 21:16:39,165 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:39,179 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:39,181 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 21:16:39,182 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:16:39,193 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:16:39,194 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:16:39,194 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-26 21:16:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:16:39,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325742134] [2019-11-26 21:16:39,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:16:39,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-26 21:16:39,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815815445] [2019-11-26 21:16:39,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-26 21:16:39,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:16:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-26 21:16:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=200, Unknown=2, NotChecked=0, Total=240 [2019-11-26 21:16:39,278 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-26 21:17:17,521 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-26 21:17:33,910 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-26 21:18:31,630 WARN L192 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-26 21:20:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:05,022 INFO L93 Difference]: Finished difference Result 296 states and 335 transitions. [2019-11-26 21:20:05,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-26 21:20:05,026 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-26 21:20:05,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:05,030 INFO L225 Difference]: With dead ends: 296 [2019-11-26 21:20:05,030 INFO L226 Difference]: Without dead ends: 296 [2019-11-26 21:20:05,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=121, Invalid=579, Unknown=2, NotChecked=0, Total=702 [2019-11-26 21:20:05,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-26 21:20:05,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 138. [2019-11-26 21:20:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-26 21:20:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2019-11-26 21:20:05,048 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 19 [2019-11-26 21:20:05,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:05,049 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2019-11-26 21:20:05,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-26 21:20:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2019-11-26 21:20:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 21:20:05,050 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:05,051 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:05,253 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 21:20:05,254 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:05,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-26 21:20:05,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:05,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522246276] [2019-11-26 21:20:05,257 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 [2019-11-26 21:20:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:05,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:20:05,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:05,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:05,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522246276] [2019-11-26 21:20:05,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-26 21:20:05,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-26 21:20:05,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672723413] [2019-11-26 21:20:05,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:20:05,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:05,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:20:05,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:05,454 INFO L87 Difference]: Start difference. First operand 138 states and 175 transitions. Second operand 5 states. [2019-11-26 21:20:05,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:05,505 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-11-26 21:20:05,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:20:05,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-26 21:20:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:05,507 INFO L225 Difference]: With dead ends: 109 [2019-11-26 21:20:05,507 INFO L226 Difference]: Without dead ends: 107 [2019-11-26 21:20:05,508 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-26 21:20:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-26 21:20:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-26 21:20:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2019-11-26 21:20:05,516 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 19 [2019-11-26 21:20:05,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:05,516 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2019-11-26 21:20:05,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:20:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2019-11-26 21:20:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 21:20:05,518 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:05,518 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:05,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 21:20:05,723 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:05,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:05,723 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-26 21:20:05,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:05,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684771548] [2019-11-26 21:20:05,725 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 [2019-11-26 21:20:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:05,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:20:05,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:05,887 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 21:20:05,887 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:05,895 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:05,895 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:05,896 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-26 21:20:05,909 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 16 treesize of output 8 [2019-11-26 21:20:05,910 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:05,913 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:05,913 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:05,913 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-26 21:20:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:05,922 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:05,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684771548] [2019-11-26 21:20:05,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:05,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-26 21:20:05,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919708706] [2019-11-26 21:20:05,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 21:20:05,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:05,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 21:20:05,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-26 21:20:05,958 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 6 states. [2019-11-26 21:20:06,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:06,145 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2019-11-26 21:20:06,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 21:20:06,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-26 21:20:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:06,147 INFO L225 Difference]: With dead ends: 110 [2019-11-26 21:20:06,147 INFO L226 Difference]: Without dead ends: 110 [2019-11-26 21:20:06,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-26 21:20:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-26 21:20:06,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2019-11-26 21:20:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-26 21:20:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2019-11-26 21:20:06,158 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 24 [2019-11-26 21:20:06,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:06,158 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2019-11-26 21:20:06,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 21:20:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2019-11-26 21:20:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 21:20:06,160 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:06,160 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:06,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 21:20:06,361 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:06,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2019-11-26 21:20:06,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:06,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093665778] [2019-11-26 21:20:06,363 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 [2019-11-26 21:20:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:06,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:20:06,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:06,659 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:06,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093665778] [2019-11-26 21:20:06,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:06,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2019-11-26 21:20:06,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003825012] [2019-11-26 21:20:06,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 21:20:06,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:06,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 21:20:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:20:06,781 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 10 states. [2019-11-26 21:20:07,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:07,133 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2019-11-26 21:20:07,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:20:07,134 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-26 21:20:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:07,136 INFO L225 Difference]: With dead ends: 110 [2019-11-26 21:20:07,136 INFO L226 Difference]: Without dead ends: 108 [2019-11-26 21:20:07,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-26 21:20:07,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-26 21:20:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-26 21:20:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-26 21:20:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions. [2019-11-26 21:20:07,145 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 24 [2019-11-26 21:20:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:07,145 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 119 transitions. [2019-11-26 21:20:07,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 21:20:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions. [2019-11-26 21:20:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 21:20:07,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:07,147 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:07,358 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 21:20:07,359 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:07,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:07,359 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-26 21:20:07,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:07,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666952741] [2019-11-26 21:20:07,360 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 [2019-11-26 21:20:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:07,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 21:20:07,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:07,562 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 [2019-11-26 21:20:07,563 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,567 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:07,567 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,568 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:20:07,598 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-26 21:20:07,598 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,608 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:07,610 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,610 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-26 21:20:07,634 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 19 treesize of output 11 [2019-11-26 21:20:07,635 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,639 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:07,639 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,640 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-26 21:20:07,714 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:07,714 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-26 21:20:07,716 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:07,735 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 21:20:07,736 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:20:07,736 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-26 21:20:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:07,765 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:10,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:20:10,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666952741] [2019-11-26 21:20:10,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:10,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-26 21:20:10,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792887403] [2019-11-26 21:20:10,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 21:20:10,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:10,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 21:20:10,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2019-11-26 21:20:10,150 INFO L87 Difference]: Start difference. First operand 108 states and 119 transitions. Second operand 15 states. [2019-11-26 21:20:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:47,593 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2019-11-26 21:20:47,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 21:20:47,593 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2019-11-26 21:20:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:47,595 INFO L225 Difference]: With dead ends: 131 [2019-11-26 21:20:47,595 INFO L226 Difference]: Without dead ends: 131 [2019-11-26 21:20:47,596 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=82, Invalid=337, Unknown=1, NotChecked=0, Total=420 [2019-11-26 21:20:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-26 21:20:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2019-11-26 21:20:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-26 21:20:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2019-11-26 21:20:47,604 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 29 [2019-11-26 21:20:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:47,604 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2019-11-26 21:20:47,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 21:20:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2019-11-26 21:20:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 21:20:47,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:47,606 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:47,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 21:20:47,808 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:47,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:47,809 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-26 21:20:47,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:47,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16734341] [2019-11-26 21:20:47,810 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 [2019-11-26 21:20:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:47,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-26 21:20:47,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:47,984 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 [2019-11-26 21:20:47,985 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:47,994 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:47,998 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 [2019-11-26 21:20:47,998 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,010 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:48,010 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,010 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 21:20:48,063 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-26 21:20:48,064 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,094 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:48,102 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-26 21:20:48,102 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,116 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:48,117 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,117 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-26 21:20:48,149 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 30 treesize of output 18 [2019-11-26 21:20:48,150 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,164 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:48,167 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 15 treesize of output 7 [2019-11-26 21:20:48,168 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,176 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:48,176 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:48,177 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-26 21:20:50,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 21:20:50,292 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-26 21:20:50,293 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:50,315 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:50,338 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:50,339 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-26 21:20:50,339 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:50,354 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:50,355 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:50,355 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-26 21:20:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:50,389 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:50,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:50,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:50,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:50,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:51,707 WARN L192 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-26 21:20:51,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:54,104 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 21:20:54,110 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-11-26 21:20:54,110 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:54,124 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:54,126 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 21:20:54,127 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:54,136 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:54,137 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:54,137 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-26 21:20:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:54,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16734341] [2019-11-26 21:20:54,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:54,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-26 21:20:54,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083628122] [2019-11-26 21:20:54,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 21:20:54,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:54,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 21:20:54,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=261, Unknown=2, NotChecked=0, Total=306 [2019-11-26 21:20:54,252 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 18 states. [2019-11-26 21:21:08,589 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-26 21:21:16,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:21:16,889 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2019-11-26 21:21:16,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 21:21:16,890 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-26 21:21:16,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:21:16,891 INFO L225 Difference]: With dead ends: 116 [2019-11-26 21:21:16,891 INFO L226 Difference]: Without dead ends: 116 [2019-11-26 21:21:16,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=83, Invalid=467, Unknown=2, NotChecked=0, Total=552 [2019-11-26 21:21:16,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-26 21:21:16,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 109. [2019-11-26 21:21:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-26 21:21:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2019-11-26 21:21:16,898 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 29 [2019-11-26 21:21:16,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:21:16,898 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2019-11-26 21:21:16,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 21:21:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2019-11-26 21:21:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 21:21:16,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:21:16,900 INFO L410 BasicCegarLoop]: trace histogram [2, 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] [2019-11-26 21:21:17,111 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-26 21:21:17,112 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:21:17,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:21:17,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-26 21:21:17,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:21:17,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207136352] [2019-11-26 21:21:17,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-26 21:21:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:21:17,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-26 21:21:17,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:21:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:21:19,358 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:21:25,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-26 21:21:25,742 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 21:21:25,749 INFO L168 Benchmark]: Toolchain (without parser) took 341673.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-26 21:21:25,751 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:21:25,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1007.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-26 21:21:25,752 INFO L168 Benchmark]: Boogie Preprocessor took 121.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 21:21:25,758 INFO L168 Benchmark]: RCFGBuilder took 1851.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.4 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-11-26 21:21:25,760 INFO L168 Benchmark]: TraceAbstraction took 338683.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -260.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:21:25,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1007.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1851.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.4 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338683.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -260.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...