./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 3d056a1f 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 d4308bd7904aec4bec637498669b187d310fac2d ............................................................................................................................ 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 d4308bd7904aec4bec637498669b187d310fac2d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-3d056a1 [2019-11-22 14:15:30,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:15:30,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:15:30,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:15:30,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:15:30,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:15:30,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:15:30,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:15:30,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:15:30,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:15:30,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:15:30,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:15:30,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:15:30,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:15:30,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:15:30,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:15:30,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:15:30,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:15:30,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:15:30,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:15:30,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:15:30,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:15:30,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:15:30,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:15:30,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:15:30,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:15:30,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:15:30,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:15:30,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:15:30,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:15:30,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:15:30,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:15:30,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:15:30,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:15:30,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:15:30,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:15:30,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:15:30,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:15:30,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:15:30,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:15:30,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:15:30,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-22 14:15:30,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:15:30,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:15:30,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:15:30,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:15:30,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:15:30,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:15:30,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:15:30,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:15:30,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:15:30,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:15:30,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:15:30,170 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:15:30,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:15:30,170 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:15:30,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:15:30,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:15:30,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:15:30,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:15:30,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:15:30,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:15:30,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:15:30,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:15:30,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:15:30,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:15:30,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:15:30,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 14:15:30,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 14:15:30,174 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-22 14:15:30,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:15:30,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:15:30,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:15:30,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:15:30,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:15:30,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 14:15:30,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe1395b/bee2052f28624d25b769fa61d55c4f16/FLAGaa299dc22 [2019-11-22 14:15:31,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:15:31,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 14:15:31,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe1395b/bee2052f28624d25b769fa61d55c4f16/FLAGaa299dc22 [2019-11-22 14:15:31,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe1395b/bee2052f28624d25b769fa61d55c4f16 [2019-11-22 14:15:31,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:15:31,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:15:31,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:15:31,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:15:31,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:15:31,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:31" (1/1) ... [2019-11-22 14:15:31,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1367b6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:31, skipping insertion in model container [2019-11-22 14:15:31,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:31" (1/1) ... [2019-11-22 14:15:31,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:15:31,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:15:32,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:15:32,065 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) [2019-11-22 14:15:32,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e9c6cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:32, skipping insertion in model container [2019-11-22 14:15:32,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:15:32,067 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-22 14:15:32,070 INFO L168 Benchmark]: Toolchain (without parser) took 625.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:15:32,071 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:15:32,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:15:32,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 622.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-3d056a1 [2019-11-22 14:15:33,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:15:33,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:15:33,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:15:33,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:15:33,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:15:33,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:15:33,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:15:33,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:15:33,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:15:33,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:15:33,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:15:33,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:15:33,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:15:33,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:15:33,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:15:33,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:15:33,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:15:33,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:15:33,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:15:33,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:15:33,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:15:33,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:15:33,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:15:33,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:15:33,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:15:33,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:15:33,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:15:33,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:15:33,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:15:33,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:15:33,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:15:33,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:15:33,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:15:33,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:15:33,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:15:33,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:15:33,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:15:33,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:15:33,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:15:33,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:15:33,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 14:15:33,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:15:33,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:15:33,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:15:33,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:15:33,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:15:33,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:15:33,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:15:33,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:15:33,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:15:33,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:15:33,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:15:33,969 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:15:33,969 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:15:33,969 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:15:33,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:15:33,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:15:33,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 14:15:33,971 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 14:15:33,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:15:33,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:15:33,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:15:33,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:15:33,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:15:33,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:15:33,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:15:33,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:15:33,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:15:33,974 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 14:15:33,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 14:15:33,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 14:15:33,974 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-22 14:15:34,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:15:34,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:15:34,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:15:34,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:15:34,314 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:15:34,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 14:15:34,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf2e7cfe/56e803aca3d5415aaf31a1f6541c07f8/FLAG14d82e065 [2019-11-22 14:15:34,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:15:34,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-22 14:15:34,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf2e7cfe/56e803aca3d5415aaf31a1f6541c07f8/FLAG14d82e065 [2019-11-22 14:15:35,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf2e7cfe/56e803aca3d5415aaf31a1f6541c07f8 [2019-11-22 14:15:35,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:15:35,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:15:35,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:15:35,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:15:35,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:15:35,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:35" (1/1) ... [2019-11-22 14:15:35,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f36572e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:35, skipping insertion in model container [2019-11-22 14:15:35,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:15:35" (1/1) ... [2019-11-22 14:15:35,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:15:35,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:15:35,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:15:35,780 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 14:15:35,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:15:35,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:15:35,899 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 14:15:36,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:15:36,105 INFO L208 MainTranslator]: Completed translation [2019-11-22 14:15:36,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36 WrapperNode [2019-11-22 14:15:36,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:15:36,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 14:15:36,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 14:15:36,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 14:15:36,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... [2019-11-22 14:15:36,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 14:15:36,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 14:15:36,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 14:15:36,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 14:15:36,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:15:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 14:15:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 14:15:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:15:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:15:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 14:15:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 14:15:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 14:15:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 14:15:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 14:15:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 14:15:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 14:15:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 14:15:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 14:15:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:15:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 14:15:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 14:15:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 14:15:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 14:15:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 14:15:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 14:15:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 14:15:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 14:15:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 14:15:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 14:15:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 14:15:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 14:15:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 14:15:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 14:15:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 14:15:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 14:15:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 14:15:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 14:15:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 14:15:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 14:15:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 14:15:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 14:15:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 14:15:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 14:15:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 14:15:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 14:15:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 14:15:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 14:15:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-22 14:15:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-22 14:15:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 14:15:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 14:15:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 14:15:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 14:15:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 14:15:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 14:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 14:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 14:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 14:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 14:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 14:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 14:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 14:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 14:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 14:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 14:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 14:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 14:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 14:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 14:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 14:15:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 14:15:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 14:15:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 14:15:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 14:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 14:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 14:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 14:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 14:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 14:15:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 14:15:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 14:15:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 14:15:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 14:15:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 14:15:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 14:15:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 14:15:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 14:15:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 14:15:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 14:15:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 14:15:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 14:15:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 14:15:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 14:15:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 14:15:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 14:15:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 14:15:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 14:15:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 14:15:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 14:15:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 14:15:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 14:15:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 14:15:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 14:15:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 14:15:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 14:15:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 14:15:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 14:15:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 14:15:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 14:15:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 14:15:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 14:15:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 14:15:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 14:15:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 14:15:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 14:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 14:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 14:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 14:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 14:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 14:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 14:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 14:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 14:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 14:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 14:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 14:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 14:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 14:15:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 14:15:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 14:15:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 14:15:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 14:15:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 14:15:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 14:15:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 14:15:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 14:15:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 14:15:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 14:15:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 14:15:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 14:15:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 14:15:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 14:15:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 14:15:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 14:15:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 14:15:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 14:15:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 14:15:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 14:15:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 14:15:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 14:15:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 14:15:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 14:15:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 14:15:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 14:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 14:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 14:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 14:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 14:15:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 14:15:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 14:15:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 14:15:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 14:15:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:15:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 14:15:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 14:15:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 14:15:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 14:15:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 14:15:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 14:15:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 14:15:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 14:15:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 14:15:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 14:15:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 14:15:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 14:15:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 14:15:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 14:15:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 14:15:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 14:15:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 14:15:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 14:15:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 14:15:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 14:15:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 14:15:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:15:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 14:15:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 14:15:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 14:15:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 14:15:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 14:15:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 14:15:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 14:15:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 14:15:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 14:15:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 14:15:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 14:15:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 14:15:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 14:15:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 14:15:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-22 14:15:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-22 14:15:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 14:15:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 14:15:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 14:15:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 14:15:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 14:15:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 14:15:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:15:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 14:15:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 14:15:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 14:15:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 14:15:37,027 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:15:37,434 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:15:38,023 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 14:15:38,024 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 14:15:38,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:15:38 BoogieIcfgContainer [2019-11-22 14:15:38,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 14:15:38,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 14:15:38,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 14:15:38,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 14:15:38,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:15:35" (1/3) ... [2019-11-22 14:15:38,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839adcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:15:38, skipping insertion in model container [2019-11-22 14:15:38,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:15:36" (2/3) ... [2019-11-22 14:15:38,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839adcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:15:38, skipping insertion in model container [2019-11-22 14:15:38,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:15:38" (3/3) ... [2019-11-22 14:15:38,035 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-22 14:15:38,044 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 14:15:38,054 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-22 14:15:38,065 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-22 14:15:38,088 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 14:15:38,088 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 14:15:38,088 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 14:15:38,088 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 14:15:38,089 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 14:15:38,089 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 14:15:38,089 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 14:15:38,089 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 14:15:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-22 14:15:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 14:15:38,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:15:38,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:15:38,134 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]=== [2019-11-22 14:15:38,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:15:38,141 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-22 14:15:38,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:15:38,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [514813119] [2019-11-22 14:15:38,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:15:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:15:38,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:15:38,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:15:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:38,544 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:15:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:38,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [514813119] [2019-11-22 14:15:38,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:15:38,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 14:15:38,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245080862] [2019-11-22 14:15:38,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:15:38,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:15:38,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:15:38,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:15:38,683 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-22 14:15:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:15:38,948 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-22 14:15:38,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:15:38,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-22 14:15:38,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:15:38,964 INFO L225 Difference]: With dead ends: 163 [2019-11-22 14:15:38,965 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 14:15:38,967 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 [2019-11-22 14:15:38,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 14:15:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-22 14:15:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-22 14:15:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-22 14:15:39,032 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-22 14:15:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:15:39,032 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-22 14:15:39,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:15:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-22 14:15:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-22 14:15:39,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:15:39,034 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:15:39,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:15:39,239 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]=== [2019-11-22 14:15:39,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:15:39,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-22 14:15:39,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:15:39,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [416768720] [2019-11-22 14:15:39,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:15:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:15:39,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 14:15:39,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:15:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:39,473 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:15:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:39,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [416768720] [2019-11-22 14:15:39,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:15:39,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 14:15:39,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032795123] [2019-11-22 14:15:39,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 14:15:39,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:15:39,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 14:15:39,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 14:15:39,535 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-22 14:15:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:15:39,833 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-22 14:15:39,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 14:15:39,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-22 14:15:39,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:15:39,836 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:15:39,836 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 14:15:39,839 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 [2019-11-22 14:15:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 14:15:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-22 14:15:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-22 14:15:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-22 14:15:39,854 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-22 14:15:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:15:39,854 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-22 14:15:39,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 14:15:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-22 14:15:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 14:15:39,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:15:39,855 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:15:40,059 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:15:40,060 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]=== [2019-11-22 14:15:40,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:15:40,061 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-22 14:15:40,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:15:40,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [237413293] [2019-11-22 14:15:40,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:15:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:15:40,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:15:40,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:15:40,360 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:15:40,361 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:15:40,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:15:40,365 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:15:40,365 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:15:40,470 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:15:40,471 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 [2019-11-22 14:15:40,472 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:15:40,497 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 14:15:40,498 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:15:40,499 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-22 14:15:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:40,534 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:15:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:15:40,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [237413293] [2019-11-22 14:15:40,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:15:40,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-22 14:15:40,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025017391] [2019-11-22 14:15:40,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 14:15:40,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:15:40,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 14:15:40,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:15:40,856 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-22 14:16:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:16:17,841 INFO L93 Difference]: Finished difference Result 216 states and 249 transitions. [2019-11-22 14:16:17,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:16:17,842 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-22 14:16:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:16:17,846 INFO L225 Difference]: With dead ends: 216 [2019-11-22 14:16:17,847 INFO L226 Difference]: Without dead ends: 216 [2019-11-22 14:16:17,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-11-22 14:16:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-22 14:16:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 119. [2019-11-22 14:16:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-22 14:16:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-22 14:16:17,863 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-22 14:16:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:16:17,864 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-22 14:16:17,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 14:16:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-22 14:16:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 14:16:17,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:16:17,865 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:16:18,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:16:18,069 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]=== [2019-11-22 14:16:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:16:18,069 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-22 14:16:18,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:16:18,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1337252217] [2019-11-22 14:16:18,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:16:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:16:18,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-22 14:16:18,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:16:18,378 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:16:18,378 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:18,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:18,394 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:16:18,394 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:18,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:18,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:16:18,406 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 14:16:20,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:16:20,592 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 [2019-11-22 14:16:20,593 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:20,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:20,621 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:20,622 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 [2019-11-22 14:16:20,623 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:20,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:20,637 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:16:20,638 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-22 14:16:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:16:20,666 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:16:20,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:16:21,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:16:21,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:16:21,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:16:24,306 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-22 14:16:24,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:16:25,171 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 14:16:25,181 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 [2019-11-22 14:16:25,182 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:25,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:25,198 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 14:16:25,199 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:16:25,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:16:25,213 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:16:25,213 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-22 14:16:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:16:25,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1337252217] [2019-11-22 14:16:25,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:16:25,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-22 14:16:25,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942840877] [2019-11-22 14:16:25,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-22 14:16:25,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:16:25,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-22 14:16:25,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=200, Unknown=3, NotChecked=0, Total=240 [2019-11-22 14:16:25,750 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-22 14:16:38,202 WARN L192 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 37 DAG size of output: 12 [2019-11-22 14:16:53,431 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (bvule v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)) (not (bvule (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (exists ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|))) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-22 14:17:06,075 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (bvule v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)) (not (bvule (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (exists ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|))) (= (_ bv0 32) |c_entry_point_#t~ret44.offset|) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (_ bv1 1) (select |c_#valid| |c_entry_point_#t~ret44.base|)) (= (bvadd (select |c_#length| |c_entry_point_#t~ret44.base|) (_ bv4294967292 32)) (_ bv0 32))) is different from false [2019-11-22 14:17:23,489 WARN L192 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-11-22 14:17:46,367 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-11-22 14:17:48,428 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (bvule v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)) (not (bvule (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (exists ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= |c_#valid| |c_old(#valid)|) (= |c_old(#length)| |c_#length|)) is different from false [2019-11-22 14:19:16,148 WARN L192 SmtUtils]: Spent 21.56 s on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-11-22 14:21:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:21:10,451 INFO L93 Difference]: Finished difference Result 254 states and 289 transitions. [2019-11-22 14:21:10,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 14:21:10,452 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-22 14:21:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:21:10,454 INFO L225 Difference]: With dead ends: 254 [2019-11-22 14:21:10,454 INFO L226 Difference]: Without dead ends: 254 [2019-11-22 14:21:10,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 68.9s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=12, NotChecked=138, Total=702 [2019-11-22 14:21:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-11-22 14:21:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 138. [2019-11-22 14:21:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-22 14:21:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2019-11-22 14:21:10,475 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 19 [2019-11-22 14:21:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:21:10,475 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2019-11-22 14:21:10,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-22 14:21:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2019-11-22 14:21:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-22 14:21:10,481 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:21:10,481 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:21:10,681 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:10,682 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]=== [2019-11-22 14:21:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:21:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-22 14:21:10,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:21:10,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [317371755] [2019-11-22 14:21:10,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:21:10,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 14:21:10,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:21:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:21:10,943 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:21:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:10,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [317371755] [2019-11-22 14:21:10,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-22 14:21:10,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-22 14:21:10,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073722556] [2019-11-22 14:21:10,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:21:10,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:21:10,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:21:10,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:21:10,981 INFO L87 Difference]: Start difference. First operand 138 states and 175 transitions. Second operand 5 states. [2019-11-22 14:21:11,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:21:11,023 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-11-22 14:21:11,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:21:11,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-22 14:21:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:21:11,025 INFO L225 Difference]: With dead ends: 109 [2019-11-22 14:21:11,026 INFO L226 Difference]: Without dead ends: 107 [2019-11-22 14:21:11,026 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 [2019-11-22 14:21:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-22 14:21:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-22 14:21:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-22 14:21:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2019-11-22 14:21:11,035 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 19 [2019-11-22 14:21:11,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:21:11,036 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2019-11-22 14:21:11,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:21:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2019-11-22 14:21:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-22 14:21:11,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:21:11,037 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] [2019-11-22 14:21:11,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:11,247 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]=== [2019-11-22 14:21:11,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:21:11,248 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-22 14:21:11,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:21:11,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1501064047] [2019-11-22 14:21:11,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:21:11,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:21:11,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:21:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:21:11,520 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:21:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:11,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1501064047] [2019-11-22 14:21:11,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:21:11,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2019-11-22 14:21:11,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111213752] [2019-11-22 14:21:11,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 14:21:11,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:21:11,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 14:21:11,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:21:11,567 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 6 states. [2019-11-22 14:21:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:21:11,828 INFO L93 Difference]: Finished difference Result 106 states and 118 transitions. [2019-11-22 14:21:11,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:21:11,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-22 14:21:11,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:21:11,831 INFO L225 Difference]: With dead ends: 106 [2019-11-22 14:21:11,831 INFO L226 Difference]: Without dead ends: 106 [2019-11-22 14:21:11,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:21:11,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-22 14:21:11,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-22 14:21:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-22 14:21:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2019-11-22 14:21:11,839 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 24 [2019-11-22 14:21:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:21:11,840 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2019-11-22 14:21:11,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 14:21:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2019-11-22 14:21:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-22 14:21:11,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:21:11,842 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, 1, 1, 1, 1] [2019-11-22 14:21:12,044 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:12,046 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]=== [2019-11-22 14:21:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:21:12,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1508178990, now seen corresponding path program 1 times [2019-11-22 14:21:12,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:21:12,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [522078549] [2019-11-22 14:21:12,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:21:12,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-22 14:21:12,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:21:12,359 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 [2019-11-22 14:21:12,360 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:12,366 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:12,367 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:12,367 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-22 14:21:12,384 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 [2019-11-22 14:21:12,384 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:12,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:12,396 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:12,396 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-22 14:21:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:12,404 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:21:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:12,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [522078549] [2019-11-22 14:21:12,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:21:12,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-22 14:21:12,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252168430] [2019-11-22 14:21:12,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 14:21:12,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:21:12,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 14:21:12,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:21:12,523 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 6 states. [2019-11-22 14:21:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:21:12,683 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2019-11-22 14:21:12,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 14:21:12,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-22 14:21:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:21:12,685 INFO L225 Difference]: With dead ends: 109 [2019-11-22 14:21:12,685 INFO L226 Difference]: Without dead ends: 109 [2019-11-22 14:21:12,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:21:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-22 14:21:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2019-11-22 14:21:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-22 14:21:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2019-11-22 14:21:12,692 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 28 [2019-11-22 14:21:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:21:12,693 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2019-11-22 14:21:12,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 14:21:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2019-11-22 14:21:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 14:21:12,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:21:12,694 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] [2019-11-22 14:21:12,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:12,906 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]=== [2019-11-22 14:21:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:21:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-22 14:21:12,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:21:12,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1429276470] [2019-11-22 14:21:12,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:21:13,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:21:13,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:21:13,237 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:21:13,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,241 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:13,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,241 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:21:13,267 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 [2019-11-22 14:21:13,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:13,275 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,275 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-22 14:21:13,314 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 [2019-11-22 14:21:13,315 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,322 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:13,323 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:21:13,323 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:15 [2019-11-22 14:21:13,404 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:13,405 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 [2019-11-22 14:21:13,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:13,433 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-22 14:21:13,434 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:21:13,434 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-22 14:21:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:13,464 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:21:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:21:15,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1429276470] [2019-11-22 14:21:15,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:21:15,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-22 14:21:15,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604408832] [2019-11-22 14:21:15,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-22 14:21:15,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:21:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-22 14:21:15,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2019-11-22 14:21:15,945 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 17 states. [2019-11-22 14:21:41,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:21:41,954 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2019-11-22 14:21:41,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-22 14:21:41,955 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2019-11-22 14:21:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:21:41,957 INFO L225 Difference]: With dead ends: 131 [2019-11-22 14:21:41,957 INFO L226 Difference]: Without dead ends: 131 [2019-11-22 14:21:41,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=101, Invalid=450, Unknown=1, NotChecked=0, Total=552 [2019-11-22 14:21:41,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-22 14:21:41,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 107. [2019-11-22 14:21:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-22 14:21:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2019-11-22 14:21:41,973 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 29 [2019-11-22 14:21:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:21:41,974 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2019-11-22 14:21:41,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-22 14:21:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2019-11-22 14:21:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 14:21:41,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:21:41,976 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] [2019-11-22 14:21:42,180 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:42,181 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]=== [2019-11-22 14:21:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:21:42,181 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-22 14:21:42,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:21:42,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1992885594] [2019-11-22 14:21:42,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:21:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:21:42,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-22 14:21:42,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:21:42,501 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:21:42,501 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,512 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,517 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:21:42,518 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,526 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-22 14:21:42,571 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 [2019-11-22 14:21:42,571 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,594 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 [2019-11-22 14:21:42,594 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,608 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,608 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-22 14:21:42,639 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 [2019-11-22 14:21:42,640 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,652 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,656 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 [2019-11-22 14:21:42,656 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,664 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:42,664 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:42,665 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-22 14:21:44,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:21:44,762 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 [2019-11-22 14:21:44,763 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:44,778 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:44,790 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:44,790 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 [2019-11-22 14:21:44,791 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:44,802 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:44,803 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:44,803 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-22 14:21:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 14:21:44,827 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:21:44,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:21:45,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:21:45,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:21:45,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:21:50,010 WARN L192 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-22 14:21:50,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:21:53,588 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-22 14:21:53,596 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 [2019-11-22 14:21:53,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:53,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:53,611 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 14:21:53,612 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:21:53,624 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:21:53,624 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:21:53,625 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-22 14:21:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-22 14:21:53,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1992885594] [2019-11-22 14:21:53,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:21:53,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-22 14:21:53,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686211028] [2019-11-22 14:21:53,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 14:21:53,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:21:53,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 14:21:53,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=260, Unknown=4, NotChecked=0, Total=306 [2019-11-22 14:21:53,718 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 18 states. [2019-11-22 14:22:14,187 WARN L192 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 37 DAG size of output: 12 [2019-11-22 14:22:54,959 WARN L192 SmtUtils]: Spent 16.22 s on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-11-22 14:23:48,611 WARN L192 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-11-22 14:24:07,658 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-22 14:25:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:25:18,077 INFO L93 Difference]: Finished difference Result 153 states and 165 transitions. [2019-11-22 14:25:18,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-22 14:25:18,078 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-22 14:25:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:25:18,079 INFO L225 Difference]: With dead ends: 153 [2019-11-22 14:25:18,079 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 14:25:18,080 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 80.5s TimeCoverageRelationStatistics Valid=96, Invalid=534, Unknown=20, NotChecked=0, Total=650 [2019-11-22 14:25:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 14:25:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 107. [2019-11-22 14:25:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-22 14:25:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2019-11-22 14:25:18,086 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 29 [2019-11-22 14:25:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:25:18,086 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2019-11-22 14:25:18,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 14:25:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2019-11-22 14:25:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-22 14:25:18,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:25:18,088 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] [2019-11-22 14:25:18,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:25:18,292 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]=== [2019-11-22 14:25:18,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:25:18,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-22 14:25:18,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:25:18,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1219786503] [2019-11-22 14:25:18,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:25:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:25:18,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 14:25:18,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:25:18,583 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:25:18,584 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-22 14:25:18,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:25:18,606 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 14:25:18,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:25:18,608 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:25:18,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 14:25:18,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:25:18,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:25:18,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:25:18,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:25:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-22 14:25:24,826 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:25:29,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:25:29,185 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 14:25:29,192 INFO L168 Benchmark]: Toolchain (without parser) took 593985.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.7 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 178.8 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:29,192 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:25:29,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:29,193 INFO L168 Benchmark]: Boogie Preprocessor took 142.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:29,194 INFO L168 Benchmark]: RCFGBuilder took 1774.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.8 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:29,194 INFO L168 Benchmark]: TraceAbstraction took 591163.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.8 MB). Free memory was 973.8 MB in the beginning and 1.0 GB in the end (delta: -74.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:29,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 901.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1774.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.8 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 591163.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.8 MB). Free memory was 973.8 MB in the beginning and 1.0 GB in the end (delta: -74.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...