./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 20:32:15,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 20:32:15,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 20:32:15,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 20:32:15,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 20:32:15,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 20:32:15,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 20:32:15,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 20:32:15,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 20:32:15,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 20:32:15,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 20:32:15,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 20:32:15,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 20:32:15,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 20:32:15,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 20:32:15,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 20:32:15,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 20:32:15,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 20:32:15,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 20:32:15,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 20:32:15,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 20:32:15,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 20:32:15,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 20:32:15,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 20:32:15,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 20:32:15,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 20:32:15,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 20:32:15,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 20:32:15,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 20:32:15,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 20:32:15,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 20:32:15,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 20:32:15,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 20:32:15,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 20:32:15,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 20:32:15,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 20:32:15,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 20:32:15,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 20:32:15,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 20:32:15,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 20:32:15,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 20:32:15,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 20:32:15,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 20:32:15,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 20:32:15,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 20:32:15,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 20:32:15,251 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 20:32:15,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 20:32:15,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 20:32:15,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 20:32:15,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 20:32:15,252 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 20:32:15,252 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 20:32:15,255 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 20:32:15,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 20:32:15,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 20:32:15,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 20:32:15,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 20:32:15,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 20:32:15,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 20:32:15,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 20:32:15,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:32:15,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 20:32:15,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 20:32:15,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 20:32:15,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 20:32:15,258 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-26 20:32:15,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 20:32:15,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 20:32:15,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 20:32:15,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 20:32:15,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 20:32:15,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 20:32:15,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21a274a2/0ca09558b5b649649d38198e55447308/FLAGa6e5c2587 [2019-11-26 20:32:16,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 20:32:16,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 20:32:16,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21a274a2/0ca09558b5b649649d38198e55447308/FLAGa6e5c2587 [2019-11-26 20:32:16,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21a274a2/0ca09558b5b649649d38198e55447308 [2019-11-26 20:32:16,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 20:32:16,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 20:32:16,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 20:32:16,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 20:32:16,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 20:32:16,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:32:16" (1/1) ... [2019-11-26 20:32:16,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d122c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:16, skipping insertion in model container [2019-11-26 20:32:16,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:32:16" (1/1) ... [2019-11-26 20:32:16,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 20:32:16,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:32:17,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:32:17,240 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-26 20:32:17,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@365eb503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:17, skipping insertion in model container [2019-11-26 20:32:17,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 20:32:17,241 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 20:32:17,244 INFO L168 Benchmark]: Toolchain (without parser) took 699.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-26 20:32:17,244 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:32:17,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-26 20:32:17,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 20:32:19,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 20:32:19,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 20:32:19,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 20:32:19,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 20:32:19,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 20:32:19,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 20:32:19,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 20:32:19,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 20:32:19,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 20:32:19,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 20:32:19,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 20:32:19,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 20:32:19,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 20:32:19,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 20:32:19,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 20:32:19,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 20:32:19,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 20:32:19,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 20:32:19,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 20:32:19,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 20:32:19,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 20:32:19,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 20:32:19,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 20:32:19,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 20:32:19,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 20:32:19,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 20:32:19,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 20:32:19,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 20:32:19,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 20:32:19,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 20:32:19,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 20:32:19,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 20:32:19,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 20:32:19,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 20:32:19,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 20:32:19,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 20:32:19,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 20:32:19,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 20:32:19,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 20:32:19,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 20:32:19,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 20:32:19,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 20:32:19,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 20:32:19,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 20:32:19,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 20:32:19,158 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 20:32:19,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 20:32:19,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 20:32:19,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 20:32:19,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 20:32:19,159 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 20:32:19,160 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 20:32:19,160 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 20:32:19,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 20:32:19,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 20:32:19,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 20:32:19,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 20:32:19,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 20:32:19,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 20:32:19,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 20:32:19,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 20:32:19,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 20:32:19,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:32:19,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 20:32:19,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 20:32:19,163 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 20:32:19,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 20:32:19,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 20:32:19,163 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-26 20:32:19,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 20:32:19,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 20:32:19,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 20:32:19,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 20:32:19,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 20:32:19,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 20:32:19,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31111c7d8/b762fcd34df6401a87d048af645482dc/FLAG36845f1c2 [2019-11-26 20:32:20,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 20:32:20,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-26 20:32:20,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31111c7d8/b762fcd34df6401a87d048af645482dc/FLAG36845f1c2 [2019-11-26 20:32:20,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31111c7d8/b762fcd34df6401a87d048af645482dc [2019-11-26 20:32:20,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 20:32:20,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 20:32:20,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 20:32:20,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 20:32:20,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 20:32:20,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:32:20" (1/1) ... [2019-11-26 20:32:20,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14585378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:20, skipping insertion in model container [2019-11-26 20:32:20,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:32:20" (1/1) ... [2019-11-26 20:32:20,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 20:32:20,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:32:20,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:32:21,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 20:32:21,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:32:21,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:32:21,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 20:32:21,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:32:21,245 INFO L208 MainTranslator]: Completed translation [2019-11-26 20:32:21,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21 WrapperNode [2019-11-26 20:32:21,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 20:32:21,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 20:32:21,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 20:32:21,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 20:32:21,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... [2019-11-26 20:32:21,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 20:32:21,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 20:32:21,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 20:32:21,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 20:32:21,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:32:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 20:32:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 20:32:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 20:32:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 20:32:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 20:32:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 20:32:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 20:32:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 20:32:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 20:32:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 20:32:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 20:32:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 20:32:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 20:32:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 20:32:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 20:32:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 20:32:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 20:32:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 20:32:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 20:32:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 20:32:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 20:32:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 20:32:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-26 20:32:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-26 20:32:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 20:32:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 20:32:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 20:32:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 20:32:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 20:32:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 20:32:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 20:32:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 20:32:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 20:32:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 20:32:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 20:32:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 20:32:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 20:32:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 20:32:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 20:32:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 20:32:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 20:32:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 20:32:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 20:32:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 20:32:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 20:32:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 20:32:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 20:32:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 20:32:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 20:32:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 20:32:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 20:32:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 20:32:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 20:32:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 20:32:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 20:32:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 20:32:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 20:32:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 20:32:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 20:32:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 20:32:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 20:32:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 20:32:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 20:32:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 20:32:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 20:32:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 20:32:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 20:32:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 20:32:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 20:32:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 20:32:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 20:32:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 20:32:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 20:32:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 20:32:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 20:32:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 20:32:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 20:32:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 20:32:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 20:32:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 20:32:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 20:32:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 20:32:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 20:32:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 20:32:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 20:32:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 20:32:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-26 20:32:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 20:32:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 20:32:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 20:32:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 20:32:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 20:32:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 20:32:22,095 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 20:32:22,542 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 20:32:23,048 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 20:32:23,049 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-26 20:32:23,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 08:32:23 BoogieIcfgContainer [2019-11-26 20:32:23,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 20:32:23,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 20:32:23,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 20:32:23,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 20:32:23,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 08:32:20" (1/3) ... [2019-11-26 20:32:23,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c53617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 08:32:23, skipping insertion in model container [2019-11-26 20:32:23,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:32:21" (2/3) ... [2019-11-26 20:32:23,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c53617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 08:32:23, skipping insertion in model container [2019-11-26 20:32:23,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 08:32:23" (3/3) ... [2019-11-26 20:32:23,062 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-26 20:32:23,074 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 20:32:23,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-26 20:32:23,103 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-26 20:32:23,133 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 20:32:23,134 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 20:32:23,134 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 20:32:23,134 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 20:32:23,134 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 20:32:23,134 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 20:32:23,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 20:32:23,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 20:32:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-26 20:32:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 20:32:23,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:32:23,188 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:32:23,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:32:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:32:23,197 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-26 20:32:23,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:32:23,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023214828] [2019-11-26 20:32:23,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 20:32:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:32:23,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 20:32:23,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:32:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:23,499 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:32:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:23,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023214828] [2019-11-26 20:32:23,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:32:23,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 20:32:23,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014527780] [2019-11-26 20:32:23,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:32:23,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:32:23,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:32:23,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:32:23,654 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-26 20:32:23,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:32:23,975 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-26 20:32:23,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:32:23,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 20:32:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:32:24,006 INFO L225 Difference]: With dead ends: 163 [2019-11-26 20:32:24,006 INFO L226 Difference]: Without dead ends: 160 [2019-11-26 20:32:24,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:32:24,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-26 20:32:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-26 20:32:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-26 20:32:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-26 20:32:24,102 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-26 20:32:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:32:24,102 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-26 20:32:24,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:32:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-26 20:32:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 20:32:24,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:32:24,104 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:32:24,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 20:32:24,327 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:32:24,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:32:24,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-26 20:32:24,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:32:24,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729047143] [2019-11-26 20:32:24,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 20:32:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:32:24,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 20:32:24,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:32:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:24,498 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:32:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:24,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729047143] [2019-11-26 20:32:24,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:32:24,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 20:32:24,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661049822] [2019-11-26 20:32:24,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 20:32:24,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:32:24,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 20:32:24,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 20:32:24,556 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-26 20:32:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:32:24,862 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-26 20:32:24,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 20:32:24,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-26 20:32:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:32:24,865 INFO L225 Difference]: With dead ends: 156 [2019-11-26 20:32:24,865 INFO L226 Difference]: Without dead ends: 153 [2019-11-26 20:32:24,868 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 20:32:24,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-26 20:32:24,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-26 20:32:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-26 20:32:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-26 20:32:24,881 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-26 20:32:24,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:32:24,881 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-26 20:32:24,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 20:32:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-26 20:32:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 20:32:24,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:32:24,882 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:32:25,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 20:32:25,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:32:25,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:32:25,097 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-26 20:32:25,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:32:25,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772154981] [2019-11-26 20:32:25,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 20:32:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:32:25,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 20:32:25,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:32:25,273 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:32:25,274 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:32:25,279 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:32:25,280 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:32:25,280 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 20:32:25,405 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:32:25,405 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-26 20:32:25,407 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:32:25,430 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 20:32:25,431 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 20:32:25,432 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-26 20:32:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:25,462 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:32:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:32:29,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772154981] [2019-11-26 20:32:29,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:32:29,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-26 20:32:29,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699395535] [2019-11-26 20:32:29,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-26 20:32:29,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:32:29,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-26 20:32:29,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-26 20:32:29,864 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-26 20:33:04,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:33:04,068 INFO L93 Difference]: Finished difference Result 216 states and 249 transitions. [2019-11-26 20:33:04,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 20:33:04,069 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-26 20:33:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:33:04,073 INFO L225 Difference]: With dead ends: 216 [2019-11-26 20:33:04,073 INFO L226 Difference]: Without dead ends: 216 [2019-11-26 20:33:04,074 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-26 20:33:04,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-26 20:33:04,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 119. [2019-11-26 20:33:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-26 20:33:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-26 20:33:04,090 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-26 20:33:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:33:04,091 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-26 20:33:04,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-26 20:33:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-26 20:33:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 20:33:04,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:33:04,092 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:33:04,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 20:33:04,293 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:33:04,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:33:04,294 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-26 20:33:04,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:33:04,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897577803] [2019-11-26 20:33:04,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 20:33:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:33:04,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-26 20:33:04,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:33:04,464 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:33:04,464 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:04,476 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:04,481 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:33:04,482 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:04,492 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:04,493 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:33:04,493 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 20:33:06,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 20:33:06,627 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-26 20:33:06,628 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:06,649 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:06,665 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:06,665 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-26 20:33:06,667 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:06,678 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:06,679 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:33:06,680 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2019-11-26 20:33:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:33:06,714 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:33:06,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:33:07,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:33:07,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:33:07,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:33:08,035 WARN L192 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-26 20:33:08,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:33:08,983 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 20:33:08,992 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 20:33:08,993 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:09,005 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:09,008 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 20:33:09,009 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:33:09,019 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:33:09,020 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:33:09,020 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-26 20:33:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:33:09,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897577803] [2019-11-26 20:33:09,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:33:09,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-26 20:33:09,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898995182] [2019-11-26 20:33:09,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-26 20:33:09,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:33:09,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-26 20:33:09,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=201, Unknown=1, NotChecked=0, Total=240 [2019-11-26 20:33:09,123 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-26 20:33:32,928 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-26 20:33:53,325 WARN L192 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-26 20:34:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:34:06,530 INFO L93 Difference]: Finished difference Result 216 states and 247 transitions. [2019-11-26 20:34:06,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-26 20:34:06,530 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-26 20:34:06,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:34:06,532 INFO L225 Difference]: With dead ends: 216 [2019-11-26 20:34:06,532 INFO L226 Difference]: Without dead ends: 216 [2019-11-26 20:34:06,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=96, Invalid=455, Unknown=1, NotChecked=0, Total=552 [2019-11-26 20:34:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-26 20:34:06,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 145. [2019-11-26 20:34:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-26 20:34:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2019-11-26 20:34:06,551 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 19 [2019-11-26 20:34:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:34:06,552 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-11-26 20:34:06,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-26 20:34:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2019-11-26 20:34:06,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 20:34:06,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:34:06,554 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:34:06,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 20:34:06,755 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:34:06,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:34:06,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-26 20:34:06,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:34:06,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388816872] [2019-11-26 20:34:06,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 20:34:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:34:06,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 20:34:06,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:34:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:34:06,923 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:34:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:06,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388816872] [2019-11-26 20:34:06,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-26 20:34:06,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-26 20:34:06,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133025498] [2019-11-26 20:34:06,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:34:06,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:34:06,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:34:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:34:06,967 INFO L87 Difference]: Start difference. First operand 145 states and 187 transitions. Second operand 5 states. [2019-11-26 20:34:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:34:07,028 INFO L93 Difference]: Finished difference Result 126 states and 152 transitions. [2019-11-26 20:34:07,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:34:07,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-26 20:34:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:34:07,030 INFO L225 Difference]: With dead ends: 126 [2019-11-26 20:34:07,030 INFO L226 Difference]: Without dead ends: 124 [2019-11-26 20:34:07,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:34:07,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-26 20:34:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-26 20:34:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-26 20:34:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2019-11-26 20:34:07,056 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 150 transitions. Word has length 19 [2019-11-26 20:34:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:34:07,057 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 150 transitions. [2019-11-26 20:34:07,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:34:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2019-11-26 20:34:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 20:34:07,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:34:07,061 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:34:07,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 20:34:07,277 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:34:07,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:34:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-26 20:34:07,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:34:07,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94385282] [2019-11-26 20:34:07,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-26 20:34:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:34:07,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 20:34:07,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:34:07,433 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 20:34:07,434 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:07,440 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:07,441 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:07,441 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-26 20:34:07,453 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-11-26 20:34:07,453 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:07,455 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:07,456 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:07,456 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-26 20:34:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:07,465 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:34:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:07,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94385282] [2019-11-26 20:34:07,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:34:07,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-26 20:34:07,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590435525] [2019-11-26 20:34:07,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 20:34:07,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:34:07,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 20:34:07,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-26 20:34:07,497 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. Second operand 6 states. [2019-11-26 20:34:07,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:34:07,659 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2019-11-26 20:34:07,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 20:34:07,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-26 20:34:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:34:07,664 INFO L225 Difference]: With dead ends: 127 [2019-11-26 20:34:07,664 INFO L226 Difference]: Without dead ends: 127 [2019-11-26 20:34:07,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-26 20:34:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-26 20:34:07,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2019-11-26 20:34:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-26 20:34:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2019-11-26 20:34:07,671 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 24 [2019-11-26 20:34:07,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:34:07,671 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2019-11-26 20:34:07,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 20:34:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2019-11-26 20:34:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 20:34:07,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:34:07,672 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:34:07,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 20:34:07,884 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:34:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:34:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2019-11-26 20:34:07,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:34:07,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571191602] [2019-11-26 20:34:07,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-26 20:34:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:34:08,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 20:34:08,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:34:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:34:08,157 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:34:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:08,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571191602] [2019-11-26 20:34:08,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:34:08,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2019-11-26 20:34:08,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270286371] [2019-11-26 20:34:08,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 20:34:08,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:34:08,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 20:34:08,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-26 20:34:08,268 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. Second operand 10 states. [2019-11-26 20:34:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:34:08,668 INFO L93 Difference]: Finished difference Result 127 states and 151 transitions. [2019-11-26 20:34:08,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 20:34:08,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-26 20:34:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:34:08,672 INFO L225 Difference]: With dead ends: 127 [2019-11-26 20:34:08,672 INFO L226 Difference]: Without dead ends: 125 [2019-11-26 20:34:08,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-26 20:34:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-26 20:34:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-26 20:34:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-26 20:34:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2019-11-26 20:34:08,680 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 24 [2019-11-26 20:34:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:34:08,681 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2019-11-26 20:34:08,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 20:34:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2019-11-26 20:34:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 20:34:08,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:34:08,682 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:34:08,888 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 20:34:08,889 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:34:08,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:34:08,890 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-26 20:34:08,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:34:08,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653559118] [2019-11-26 20:34:08,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-26 20:34:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:34:09,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 20:34:09,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:34:09,085 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:34:09,085 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,087 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:09,088 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 20:34:09,102 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 20:34:09,103 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,109 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:09,110 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,110 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-26 20:34:09,131 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-26 20:34:09,131 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,134 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:09,134 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-26 20:34:09,202 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:09,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-26 20:34:09,228 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:09,250 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 20:34:09,251 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 20:34:09,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-26 20:34:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:09,285 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:34:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:34:11,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653559118] [2019-11-26 20:34:11,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:34:11,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-26 20:34:11,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056177622] [2019-11-26 20:34:11,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 20:34:11,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:34:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 20:34:11,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2019-11-26 20:34:11,643 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 15 states. [2019-11-26 20:34:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:34:56,600 INFO L93 Difference]: Finished difference Result 162 states and 191 transitions. [2019-11-26 20:34:56,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 20:34:56,601 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2019-11-26 20:34:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:34:56,602 INFO L225 Difference]: With dead ends: 162 [2019-11-26 20:34:56,603 INFO L226 Difference]: Without dead ends: 162 [2019-11-26 20:34:56,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=371, Unknown=1, NotChecked=0, Total=462 [2019-11-26 20:34:56,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-11-26 20:34:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 126. [2019-11-26 20:34:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-26 20:34:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 150 transitions. [2019-11-26 20:34:56,611 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 150 transitions. Word has length 29 [2019-11-26 20:34:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:34:56,611 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 150 transitions. [2019-11-26 20:34:56,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 20:34:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 150 transitions. [2019-11-26 20:34:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 20:34:56,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:34:56,613 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:34:56,814 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 20:34:56,815 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:34:56,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:34:56,816 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-26 20:34:56,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:34:56,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907567787] [2019-11-26 20:34:56,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-26 20:34:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:34:56,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-26 20:34:56,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:34:56,975 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:34:56,976 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:56,988 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:56,993 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:34:56,993 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,002 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:57,003 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,003 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 20:34:57,056 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 20:34:57,056 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,071 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:57,076 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 20:34:57,076 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,087 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:57,088 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,089 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:28 [2019-11-26 20:34:57,126 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2019-11-26 20:34:57,127 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,145 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:57,148 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-26 20:34:57,149 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,164 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:57,164 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:57,164 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:16 [2019-11-26 20:34:59,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 20:34:59,269 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-26 20:34:59,270 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:59,290 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:59,307 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:59,308 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-26 20:34:59,308 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:34:59,323 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:34:59,324 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:34:59,324 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-26 20:34:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 20:34:59,360 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:34:59,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:34:59,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:34:59,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:34:59,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:35:02,114 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-26 20:35:02,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:35:03,675 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 20:35:03,683 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 20:35:03,683 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:03,692 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:03,694 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 20:35:03,694 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:03,707 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:03,708 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:35:03,708 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-26 20:35:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 20:35:03,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907567787] [2019-11-26 20:35:03,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:35:03,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-26 20:35:03,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830550279] [2019-11-26 20:35:03,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 20:35:03,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:03,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 20:35:03,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=262, Unknown=2, NotChecked=0, Total=306 [2019-11-26 20:35:03,796 INFO L87 Difference]: Start difference. First operand 126 states and 150 transitions. Second operand 18 states. [2019-11-26 20:35:26,467 WARN L192 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-11-26 20:36:14,852 WARN L192 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-11-26 20:36:41,085 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-26 20:38:04,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:38:04,608 INFO L93 Difference]: Finished difference Result 170 states and 194 transitions. [2019-11-26 20:38:04,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-26 20:38:04,610 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-26 20:38:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:38:04,611 INFO L225 Difference]: With dead ends: 170 [2019-11-26 20:38:04,611 INFO L226 Difference]: Without dead ends: 170 [2019-11-26 20:38:04,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 30.9s TimeCoverageRelationStatistics Valid=110, Invalid=639, Unknown=7, NotChecked=0, Total=756 [2019-11-26 20:38:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-26 20:38:04,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 126. [2019-11-26 20:38:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-26 20:38:04,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2019-11-26 20:38:04,618 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 29 [2019-11-26 20:38:04,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:38:04,619 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2019-11-26 20:38:04,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 20:38:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2019-11-26 20:38:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 20:38:04,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:38:04,621 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:38:04,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-26 20:38:04,826 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:38:04,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:38:04,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-26 20:38:04,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:38:04,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929926971] [2019-11-26 20:38:04,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-26 20:38:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:38:04,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-26 20:38:04,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:38:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 20:38:07,043 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:38:15,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-26 20:38:15,442 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 20:38:15,448 INFO L168 Benchmark]: Toolchain (without parser) took 355061.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.2 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2019-11-26 20:38:15,451 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:38:15,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-26 20:38:15,455 INFO L168 Benchmark]: Boogie Preprocessor took 111.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 20:38:15,456 INFO L168 Benchmark]: RCFGBuilder took 1692.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.2 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-26 20:38:15,456 INFO L168 Benchmark]: TraceAbstraction took 352391.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 970.2 MB in the beginning and 1.2 GB in the end (delta: -187.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:38:15,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 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 859.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1692.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.2 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 352391.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 970.2 MB in the beginning and 1.2 GB in the end (delta: -187.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...