./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c4d407f41629f864eb5689f703f67280cbb5237 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c4d407f41629f864eb5689f703f67280cbb5237 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:12:15,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:12:15,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:12:15,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:12:15,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:12:15,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:12:15,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:12:15,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:12:15,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:12:15,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:12:15,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:12:15,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:12:15,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:12:15,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:12:15,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:12:15,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:12:15,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:12:15,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:12:15,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:12:15,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:12:15,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:12:15,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:12:15,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:12:15,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:12:15,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:12:15,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:12:15,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:12:15,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:12:15,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:12:15,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:12:15,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:12:15,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:12:15,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:12:15,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:12:15,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:12:15,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:12:15,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:12:15,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:12:15,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:12:15,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:12:15,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:12:15,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:12:15,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:12:15,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:12:15,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:12:15,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:12:15,226 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:12:15,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:12:15,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:12:15,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:12:15,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:12:15,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:12:15,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:12:15,229 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:12:15,230 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:12:15,230 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:12:15,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:12:15,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:12:15,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:12:15,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:12:15,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:12:15,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:12:15,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:12:15,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:12:15,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:12:15,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:12:15,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:12:15,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:12:15,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:12:15,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:12:15,235 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 -> 0c4d407f41629f864eb5689f703f67280cbb5237 [2019-11-28 20:12:15,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:12:15,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:12:15,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:12:15,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:12:15,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:12:15,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-28 20:12:15,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ca66e21/faed61847b0742e99c5b81d735980cb4/FLAGfa6c8eb0c [2019-11-28 20:12:16,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:12:16,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-28 20:12:16,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ca66e21/faed61847b0742e99c5b81d735980cb4/FLAGfa6c8eb0c [2019-11-28 20:12:16,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ca66e21/faed61847b0742e99c5b81d735980cb4 [2019-11-28 20:12:16,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:12:16,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:12:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:12:16,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:12:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:12:16,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:12:16" (1/1) ... [2019-11-28 20:12:16,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:16, skipping insertion in model container [2019-11-28 20:12:16,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:12:16" (1/1) ... [2019-11-28 20:12:16,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:12:16,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:12:16,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:12:16,999 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 20:12:17,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b7694c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:17, skipping insertion in model container [2019-11-28 20:12:17,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:12:17,001 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:12:17,004 INFO L168 Benchmark]: Toolchain (without parser) took 556.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:17,004 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:12:17,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:17,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 553.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 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: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 20:12:18,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:12:18,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:12:18,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:12:18,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:12:18,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:12:18,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:12:18,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:12:18,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:12:18,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:12:18,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:12:18,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:12:18,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:12:18,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:12:18,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:12:18,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:12:18,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:12:18,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:12:18,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:12:18,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:12:18,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:12:18,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:12:18,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:12:18,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:12:18,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:12:18,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:12:18,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:12:18,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:12:18,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:12:18,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:12:18,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:12:18,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:12:18,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:12:18,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:12:18,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:12:18,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:12:18,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:12:18,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:12:18,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:12:18,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:12:18,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:12:18,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:12:18,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:12:18,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:12:18,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:12:18,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:12:18,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:12:18,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:12:18,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:12:18,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:12:18,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:12:18,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:12:18,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:12:18,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:12:18,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:12:18,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:12:18,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:12:18,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:12:18,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:12:18,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:12:18,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:12:18,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:12:18,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:12:18,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:12:18,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:12:18,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:12:18,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:12:18,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:12:18,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:12:18,802 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:12:18,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:12:18,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:12:18,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:12:18,803 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 -> 0c4d407f41629f864eb5689f703f67280cbb5237 [2019-11-28 20:12:19,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:12:19,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:12:19,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:12:19,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:12:19,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:12:19,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-28 20:12:19,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cc435bf/8ce24b48f8174a2aa42c716ad9b2290a/FLAG83947a70b [2019-11-28 20:12:19,726 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:12:19,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-28 20:12:19,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cc435bf/8ce24b48f8174a2aa42c716ad9b2290a/FLAG83947a70b [2019-11-28 20:12:19,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61cc435bf/8ce24b48f8174a2aa42c716ad9b2290a [2019-11-28 20:12:19,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:12:19,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:12:19,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:12:19,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:12:19,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:12:19,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:12:19" (1/1) ... [2019-11-28 20:12:19,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42edffd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:19, skipping insertion in model container [2019-11-28 20:12:19,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:12:19" (1/1) ... [2019-11-28 20:12:20,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:12:20,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:12:20,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:12:20,603 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 20:12:20,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:12:20,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:12:20,699 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:12:20,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:12:20,861 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:12:20,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20 WrapperNode [2019-11-28 20:12:20,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:12:20,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:12:20,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:12:20,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:12:20,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... [2019-11-28 20:12:20,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:12:20,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:12:20,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:12:20,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:12:20,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:12:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:12:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:12:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 20:12:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:12:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:12:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:12:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:12:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:12:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:12:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 20:12:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 20:12:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 20:12:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 20:12:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 20:12:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 20:12:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 20:12:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 20:12:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 20:12:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 20:12:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 20:12:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 20:12:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 20:12:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 20:12:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 20:12:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 20:12:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 20:12:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 20:12:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 20:12:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 20:12:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 20:12:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 20:12:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 20:12:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 20:12:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 20:12:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 20:12:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 20:12:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 20:12:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 20:12:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 20:12:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 20:12:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 20:12:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 20:12:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 20:12:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:12:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 20:12:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 20:12:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 20:12:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:12:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:12:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:12:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:12:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:12:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:12:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:12:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:12:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:12:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:12:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:12:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:12:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:12:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:12:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:12:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:12:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:12:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:12:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:12:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:12:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:12:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:12:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:12:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:12:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:12:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:12:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:12:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:12:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:12:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:12:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:12:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:12:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:12:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:12:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:12:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:12:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:12:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:12:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:12:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:12:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:12:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:12:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:12:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:12:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:12:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:12:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:12:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:12:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:12:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:12:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:12:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:12:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:12:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:12:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:12:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:12:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:12:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:12:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:12:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:12:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:12:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:12:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:12:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:12:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:12:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:12:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:12:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:12:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:12:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:12:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:12:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:12:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:12:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:12:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:12:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:12:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:12:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:12:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:12:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:12:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:12:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:12:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:12:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:12:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:12:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:12:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:12:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:12:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:12:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:12:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:12:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:12:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:12:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:12:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:12:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:12:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:12:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:12:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:12:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:12:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:12:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:12:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 20:12:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 20:12:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:12:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 20:12:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 20:12:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 20:12:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:12:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 20:12:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 20:12:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 20:12:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:12:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 20:12:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 20:12:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 20:12:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 20:12:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 20:12:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 20:12:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 20:12:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 20:12:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 20:12:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 20:12:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 20:12:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 20:12:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 20:12:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 20:12:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 20:12:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 20:12:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 20:12:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 20:12:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 20:12:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 20:12:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 20:12:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 20:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 20:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 20:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 20:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 20:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 20:12:21,650 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:12:21,998 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:12:22,288 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:12:22,288 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:12:22,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:12:22 BoogieIcfgContainer [2019-11-28 20:12:22,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:12:22,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:12:22,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:12:22,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:12:22,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:12:19" (1/3) ... [2019-11-28 20:12:22,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543525b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:12:22, skipping insertion in model container [2019-11-28 20:12:22,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:12:20" (2/3) ... [2019-11-28 20:12:22,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543525b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:12:22, skipping insertion in model container [2019-11-28 20:12:22,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:12:22" (3/3) ... [2019-11-28 20:12:22,298 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-1.i [2019-11-28 20:12:22,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:12:22,315 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-28 20:12:22,328 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-28 20:12:22,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:12:22,349 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:12:22,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:12:22,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:12:22,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:12:22,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:12:22,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:12:22,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:12:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-11-28 20:12:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:12:22,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:22,379 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:22,380 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:22,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:22,386 INFO L82 PathProgramCache]: Analyzing trace with hash -896940051, now seen corresponding path program 1 times [2019-11-28 20:12:22,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:22,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194144784] [2019-11-28 20:12:22,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:22,580 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:12:22,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:22,679 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:22,680 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:22,691 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:22,691 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:22,692 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 20:12:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:22,729 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:22,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194144784] [2019-11-28 20:12:22,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:22,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 20:12:22,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559639509] [2019-11-28 20:12:22,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:12:22,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:22,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:12:22,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:22,837 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2019-11-28 20:12:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:23,045 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2019-11-28 20:12:23,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:12:23,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 20:12:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:23,069 INFO L225 Difference]: With dead ends: 74 [2019-11-28 20:12:23,070 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 20:12:23,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 20:12:23,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2019-11-28 20:12:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 20:12:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2019-11-28 20:12:23,143 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2019-11-28 20:12:23,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:23,143 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2019-11-28 20:12:23,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:12:23,144 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2019-11-28 20:12:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:12:23,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:23,145 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:23,358 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:12:23,361 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:23,362 INFO L82 PathProgramCache]: Analyzing trace with hash -896940050, now seen corresponding path program 1 times [2019-11-28 20:12:23,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:23,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595396534] [2019-11-28 20:12:23,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:23,504 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:12:23,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:23,525 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:23,525 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:23,531 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:23,532 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:23,532 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:12:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:23,571 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:23,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595396534] [2019-11-28 20:12:23,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:23,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-28 20:12:23,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702421649] [2019-11-28 20:12:23,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 20:12:23,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:23,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:12:23,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:12:23,884 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 10 states. [2019-11-28 20:12:24,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:24,360 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2019-11-28 20:12:24,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:12:24,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-28 20:12:24,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:24,363 INFO L225 Difference]: With dead ends: 70 [2019-11-28 20:12:24,363 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 20:12:24,364 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:12:24,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 20:12:24,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2019-11-28 20:12:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 20:12:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2019-11-28 20:12:24,374 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2019-11-28 20:12:24,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:24,374 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2019-11-28 20:12:24,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 20:12:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2019-11-28 20:12:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:12:24,375 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:24,375 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:24,587 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:12:24,588 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:24,589 INFO L82 PathProgramCache]: Analyzing trace with hash -868310900, now seen corresponding path program 1 times [2019-11-28 20:12:24,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:24,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586408088] [2019-11-28 20:12:24,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:24,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:12:24,745 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:24,792 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:24,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586408088] [2019-11-28 20:12:24,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:24,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 20:12:24,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268365055] [2019-11-28 20:12:24,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:12:24,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:24,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:12:24,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:24,849 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2019-11-28 20:12:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:24,880 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2019-11-28 20:12:24,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:12:24,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 20:12:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:24,882 INFO L225 Difference]: With dead ends: 64 [2019-11-28 20:12:24,883 INFO L226 Difference]: Without dead ends: 64 [2019-11-28 20:12:24,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-28 20:12:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-11-28 20:12:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 20:12:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-11-28 20:12:24,894 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2019-11-28 20:12:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:24,895 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-11-28 20:12:24,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:12:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-11-28 20:12:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 20:12:24,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:24,899 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:25,106 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:12:25,107 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:25,107 INFO L82 PathProgramCache]: Analyzing trace with hash 2008128002, now seen corresponding path program 1 times [2019-11-28 20:12:25,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:25,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692665190] [2019-11-28 20:12:25,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:25,217 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:12:25,218 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:25,248 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:25,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692665190] [2019-11-28 20:12:25,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:25,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 20:12:25,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375614276] [2019-11-28 20:12:25,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:12:25,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:25,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:12:25,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:25,361 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2019-11-28 20:12:25,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:25,382 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2019-11-28 20:12:25,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:12:25,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 20:12:25,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:25,388 INFO L225 Difference]: With dead ends: 64 [2019-11-28 20:12:25,388 INFO L226 Difference]: Without dead ends: 64 [2019-11-28 20:12:25,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:12:25,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-28 20:12:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-11-28 20:12:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 20:12:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-11-28 20:12:25,396 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2019-11-28 20:12:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:25,396 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-11-28 20:12:25,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:12:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-11-28 20:12:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 20:12:25,397 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:25,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:25,600 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 20:12:25,601 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:25,602 INFO L82 PathProgramCache]: Analyzing trace with hash 211176643, now seen corresponding path program 1 times [2019-11-28 20:12:25,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:25,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308605684] [2019-11-28 20:12:25,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:25,708 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:12:25,710 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:25,724 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:25,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308605684] [2019-11-28 20:12:25,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:25,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 20:12:25,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971283001] [2019-11-28 20:12:25,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 20:12:25,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:25,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:12:25,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:12:25,852 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2019-11-28 20:12:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:25,947 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2019-11-28 20:12:25,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:12:25,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 20:12:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:25,949 INFO L225 Difference]: With dead ends: 68 [2019-11-28 20:12:25,949 INFO L226 Difference]: Without dead ends: 58 [2019-11-28 20:12:25,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:12:25,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-11-28 20:12:25,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-11-28 20:12:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-28 20:12:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-11-28 20:12:25,963 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2019-11-28 20:12:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:25,965 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-11-28 20:12:25,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 20:12:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-11-28 20:12:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 20:12:25,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:25,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:26,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 20:12:26,183 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash -45428445, now seen corresponding path program 1 times [2019-11-28 20:12:26,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:26,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448581905] [2019-11-28 20:12:26,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:26,307 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 20:12:26,309 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:26,325 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:26,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448581905] [2019-11-28 20:12:26,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:26,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 20:12:26,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285187633] [2019-11-28 20:12:26,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:12:26,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:26,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:12:26,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:12:26,394 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2019-11-28 20:12:26,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:26,437 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2019-11-28 20:12:26,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:12:26,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-28 20:12:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:26,441 INFO L225 Difference]: With dead ends: 64 [2019-11-28 20:12:26,441 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 20:12:26,442 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:12:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 20:12:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-28 20:12:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 20:12:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-11-28 20:12:26,452 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 32 [2019-11-28 20:12:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:26,455 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-11-28 20:12:26,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:12:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-11-28 20:12:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 20:12:26,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:26,456 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:26,667 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 20:12:26,668 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:26,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:26,669 INFO L82 PathProgramCache]: Analyzing trace with hash -792080061, now seen corresponding path program 1 times [2019-11-28 20:12:26,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:26,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683983861] [2019-11-28 20:12:26,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:26,811 INFO L264 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:12:26,813 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:26,846 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:26,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683983861] [2019-11-28 20:12:26,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:12:26,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-28 20:12:26,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773331955] [2019-11-28 20:12:26,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 20:12:26,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:26,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:12:26,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:12:26,964 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 10 states. [2019-11-28 20:12:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:27,194 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2019-11-28 20:12:27,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:12:27,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-28 20:12:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:27,197 INFO L225 Difference]: With dead ends: 68 [2019-11-28 20:12:27,197 INFO L226 Difference]: Without dead ends: 64 [2019-11-28 20:12:27,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:12:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-28 20:12:27,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-11-28 20:12:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-28 20:12:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2019-11-28 20:12:27,204 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 34 [2019-11-28 20:12:27,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:27,204 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2019-11-28 20:12:27,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 20:12:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2019-11-28 20:12:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:12:27,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:27,206 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:27,421 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 20:12:27,421 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:27,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1102366333, now seen corresponding path program 2 times [2019-11-28 20:12:27,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:27,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469751060] [2019-11-28 20:12:27,423 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:27,572 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 20:12:27,572 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:12:27,575 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:12:27,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:27,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:27,591 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:27,593 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:27,593 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:27,594 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 20:12:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 20:12:27,740 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 20:12:27,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469751060] [2019-11-28 20:12:27,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:27,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 20:12:27,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033911192] [2019-11-28 20:12:27,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:12:27,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:27,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:12:27,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:12:27,845 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 12 states. [2019-11-28 20:12:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:28,393 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2019-11-28 20:12:28,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 20:12:28,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-11-28 20:12:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:28,394 INFO L225 Difference]: With dead ends: 63 [2019-11-28 20:12:28,395 INFO L226 Difference]: Without dead ends: 63 [2019-11-28 20:12:28,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:12:28,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-28 20:12:28,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 20:12:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 20:12:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2019-11-28 20:12:28,401 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 38 [2019-11-28 20:12:28,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:28,401 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2019-11-28 20:12:28,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:12:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2019-11-28 20:12:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:12:28,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:28,403 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:28,605 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 20:12:28,606 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:28,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1102366332, now seen corresponding path program 1 times [2019-11-28 20:12:28,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:28,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804438744] [2019-11-28 20:12:28,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:28,759 INFO L264 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 20:12:28,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:28,831 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:29,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804438744] [2019-11-28 20:12:29,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:12:29,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-28 20:12:29,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884495383] [2019-11-28 20:12:29,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 20:12:29,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:29,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 20:12:29,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-28 20:12:29,173 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 18 states. [2019-11-28 20:12:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:30,031 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2019-11-28 20:12:30,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 20:12:30,032 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-28 20:12:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:30,033 INFO L225 Difference]: With dead ends: 75 [2019-11-28 20:12:30,034 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 20:12:30,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-28 20:12:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 20:12:30,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 20:12:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 20:12:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2019-11-28 20:12:30,039 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 38 [2019-11-28 20:12:30,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:30,040 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2019-11-28 20:12:30,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 20:12:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2019-11-28 20:12:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 20:12:30,041 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:30,042 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:30,245 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-28 20:12:30,246 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:30,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2064886276, now seen corresponding path program 2 times [2019-11-28 20:12:30,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:30,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805745621] [2019-11-28 20:12:30,249 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:30,383 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 20:12:30,383 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:12:30,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 20:12:30,391 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:30,404 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:30,404 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:30,411 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:30,412 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:30,412 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:12:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 20:12:30,641 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 20:12:31,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805745621] [2019-11-28 20:12:31,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:31,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 20:12:31,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421781347] [2019-11-28 20:12:31,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 20:12:31,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:31,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 20:12:31,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:12:31,500 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 23 states. [2019-11-28 20:12:32,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:32,789 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2019-11-28 20:12:32,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 20:12:32,790 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-28 20:12:32,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:32,792 INFO L225 Difference]: With dead ends: 70 [2019-11-28 20:12:32,792 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 20:12:32,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 20:12:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 20:12:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-28 20:12:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 20:12:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2019-11-28 20:12:32,797 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 46 [2019-11-28 20:12:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:32,798 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2019-11-28 20:12:32,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 20:12:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2019-11-28 20:12:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 20:12:32,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:32,800 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:33,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-28 20:12:33,007 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1743926468, now seen corresponding path program 1 times [2019-11-28 20:12:33,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:33,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434531777] [2019-11-28 20:12:33,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:33,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 20:12:33,196 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:33,395 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:33,521 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-28 20:12:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:12:34,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434531777] [2019-11-28 20:12:34,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:12:34,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-28 20:12:34,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791502358] [2019-11-28 20:12:34,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-28 20:12:34,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:34,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-28 20:12:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-28 20:12:34,312 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 34 states. [2019-11-28 20:12:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:35,056 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2019-11-28 20:12:35,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-28 20:12:35,057 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-28 20:12:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:35,059 INFO L225 Difference]: With dead ends: 76 [2019-11-28 20:12:35,059 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 20:12:35,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-28 20:12:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 20:12:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-11-28 20:12:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-28 20:12:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2019-11-28 20:12:35,065 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 51 [2019-11-28 20:12:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:35,066 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2019-11-28 20:12:35,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-28 20:12:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2019-11-28 20:12:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 20:12:35,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:35,068 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:35,281 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-28 20:12:35,281 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:35,282 INFO L82 PathProgramCache]: Analyzing trace with hash 845780764, now seen corresponding path program 2 times [2019-11-28 20:12:35,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:35,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712532451] [2019-11-28 20:12:35,283 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:35,419 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 20:12:35,419 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:12:35,423 INFO L264 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:12:35,425 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:35,435 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:35,435 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:35,436 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:35,437 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:35,437 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 20:12:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:35,571 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:35,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712532451] [2019-11-28 20:12:35,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:35,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 20:12:35,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960838721] [2019-11-28 20:12:35,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:12:35,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:35,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:12:35,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:12:35,629 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 12 states. [2019-11-28 20:12:36,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:36,121 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2019-11-28 20:12:36,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 20:12:36,122 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2019-11-28 20:12:36,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:36,123 INFO L225 Difference]: With dead ends: 70 [2019-11-28 20:12:36,123 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 20:12:36,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:12:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 20:12:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-28 20:12:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 20:12:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2019-11-28 20:12:36,127 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 53 [2019-11-28 20:12:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:36,127 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2019-11-28 20:12:36,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:12:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2019-11-28 20:12:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 20:12:36,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:36,129 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:36,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-28 20:12:36,338 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:36,339 INFO L82 PathProgramCache]: Analyzing trace with hash 845780765, now seen corresponding path program 1 times [2019-11-28 20:12:36,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:36,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35677967] [2019-11-28 20:12:36,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:36,531 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 20:12:36,546 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:36,554 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:12:36,555 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:12:36,561 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:12:36,561 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:12:36,561 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:12:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:36,821 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:37,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35677967] [2019-11-28 20:12:37,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:37,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 20:12:37,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139508329] [2019-11-28 20:12:37,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 20:12:37,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:37,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 20:12:37,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:12:37,629 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 23 states. [2019-11-28 20:12:38,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:38,879 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2019-11-28 20:12:38,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 20:12:38,879 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-28 20:12:38,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:38,880 INFO L225 Difference]: With dead ends: 68 [2019-11-28 20:12:38,881 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 20:12:38,881 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 20:12:38,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 20:12:38,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 20:12:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 20:12:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2019-11-28 20:12:38,886 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 53 [2019-11-28 20:12:38,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:38,887 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2019-11-28 20:12:38,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 20:12:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2019-11-28 20:12:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 20:12:38,888 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:38,888 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:39,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-28 20:12:39,094 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:39,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:39,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1516815243, now seen corresponding path program 1 times [2019-11-28 20:12:39,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:39,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160754169] [2019-11-28 20:12:39,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:39,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:12:39,282 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:39,321 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:39,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160754169] [2019-11-28 20:12:39,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:39,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-28 20:12:39,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485813621] [2019-11-28 20:12:39,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:12:39,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:39,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:12:39,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:12:39,513 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 8 states. [2019-11-28 20:12:39,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:39,568 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2019-11-28 20:12:39,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:12:39,568 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-28 20:12:39,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:39,569 INFO L225 Difference]: With dead ends: 70 [2019-11-28 20:12:39,569 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 20:12:39,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:12:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 20:12:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 20:12:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 20:12:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2019-11-28 20:12:39,573 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 51 [2019-11-28 20:12:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:39,573 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2019-11-28 20:12:39,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:12:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-11-28 20:12:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 20:12:39,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:39,575 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:39,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-28 20:12:39,776 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:39,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:39,777 INFO L82 PathProgramCache]: Analyzing trace with hash 240473020, now seen corresponding path program 1 times [2019-11-28 20:12:39,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:39,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174660855] [2019-11-28 20:12:39,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:12:39,945 INFO L264 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 20:12:39,946 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:12:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:39,992 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:12:40,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:12:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 20:12:40,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174660855] [2019-11-28 20:12:40,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:12:40,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-28 20:12:40,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003925316] [2019-11-28 20:12:40,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:12:40,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:12:40,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:12:40,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:12:40,300 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 11 states. [2019-11-28 20:12:40,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:12:40,394 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2019-11-28 20:12:40,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:12:40,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2019-11-28 20:12:40,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:12:40,396 INFO L225 Difference]: With dead ends: 72 [2019-11-28 20:12:40,396 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 20:12:40,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:12:40,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 20:12:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 20:12:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 20:12:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2019-11-28 20:12:40,401 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 56 [2019-11-28 20:12:40,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:12:40,401 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2019-11-28 20:12:40,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:12:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2019-11-28 20:12:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-28 20:12:40,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:12:40,403 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:12:40,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-28 20:12:40,605 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:12:40,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:12:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash 214334517, now seen corresponding path program 1 times [2019-11-28 20:12:40,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:12:40,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432485959] [2019-11-28 20:12:40,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-28 20:12:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:12:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:12:41,067 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:12:41,067 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:12:41,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-28 20:12:41,290 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-11-28 20:12:41,296 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 20:12:41,307 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 19bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:12:41,307 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 17bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:12:41,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:12:41 BoogieIcfgContainer [2019-11-28 20:12:41,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:12:41,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:12:41,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:12:41,319 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:12:41,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:12:22" (3/4) ... [2019-11-28 20:12:41,326 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:12:41,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:12:41,327 INFO L168 Benchmark]: Toolchain (without parser) took 21342.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 366.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:41,328 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:12:41,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:41,329 INFO L168 Benchmark]: Boogie Preprocessor took 99.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:12:41,329 INFO L168 Benchmark]: RCFGBuilder took 1325.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.1 MB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:41,330 INFO L168 Benchmark]: TraceAbstraction took 19026.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 986.1 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:12:41,330 INFO L168 Benchmark]: Witness Printer took 7.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:12:41,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 877.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1325.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.1 MB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19026.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 986.1 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 19bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 17bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 761]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 761. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L762] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={3:0}] [L759] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={3:0}] [L740] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={3:0}] [L741] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=16] [L741] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L741] kobj = ldv_malloc(sizeof(*kobj)) [L742] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={3:0}] [L744] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={3:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L745] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={3:0}] [L730] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L733] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={3:0}] [L723] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L725] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={3:0}] [L682] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={3:0}] [L725] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={3:0}, list={1:4}] [L540] list->next = list VAL [ldv_global_msg_list={3:0}, list={1:4}, list={1:4}] [L541] list->prev = list VAL [ldv_global_msg_list={3:0}, list={1:4}, list={1:4}] [L726] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L733] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L745] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={3:0}] [L746] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={3:0}] [L759] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={3:0}, ldv_kobject_create()={1:0}] [L759] kobj = ldv_kobject_create() [L762] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 330 locations, 71 error locations. Result: UNSAFE, OverallTime: 18.9s, OverallIterations: 16, TraceHistogramMax: 16, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 760 SDtfs, 365 SDslu, 4374 SDs, 0 SdLazy, 2382 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1109 GetRequests, 905 SyntacticMatches, 19 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 614 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1064 ConstructedInterpolants, 80 QuantifiedInterpolants, 152463 SizeOfPredicates, 48 NumberOfNonLiveVariables, 2290 ConjunctsInSsa, 158 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 1340/1598 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...