./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9de0b0c743a2720b24a0366af33371eca52f31f7 ............................................................................................................................ 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_test17_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9de0b0c743a2720b24a0366af33371eca52f31f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 21:19:24,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:19:24,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:19:24,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:19:24,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:19:24,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:19:24,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:19:24,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:19:24,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:19:24,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:19:24,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:19:24,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:19:24,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:19:24,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:19:24,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:19:24,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:19:24,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:19:24,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:19:24,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:19:24,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:19:24,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:19:24,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:19:24,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:19:24,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:19:24,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:19:24,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:19:24,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:19:24,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:19:24,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:19:24,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:19:24,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:19:24,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:19:24,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:19:24,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:19:24,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:19:24,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:19:24,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:19:24,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:19:24,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:19:24,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:19:24,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:19:24,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 21:19:24,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:19:24,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:19:24,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:19:24,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:19:24,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:19:24,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:19:24,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:19:24,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:19:24,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:19:24,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:19:24,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:19:24,330 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:19:24,330 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:19:24,330 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:19:24,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:19:24,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:19:24,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:19:24,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:19:24,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:19:24,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:19:24,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:19:24,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:19:24,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:19:24,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:19:24,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:19:24,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 21:19:24,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 21:19:24,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9de0b0c743a2720b24a0366af33371eca52f31f7 [2019-11-26 21:19:24,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:19:24,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:19:24,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:19:24,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:19:24,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:19:24,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-26 21:19:24,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6faaa59d8/0aff7014ea074710acb73323237c709b/FLAG300383731 [2019-11-26 21:19:25,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:19:25,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-26 21:19:25,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6faaa59d8/0aff7014ea074710acb73323237c709b/FLAG300383731 [2019-11-26 21:19:25,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6faaa59d8/0aff7014ea074710acb73323237c709b [2019-11-26 21:19:25,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:19:25,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:19:25,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:19:25,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:19:25,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:19:25,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:19:25" (1/1) ... [2019-11-26 21:19:25,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:25, skipping insertion in model container [2019-11-26 21:19:25,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:19:25" (1/1) ... [2019-11-26 21:19:25,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:19:25,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:19:26,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:19:26,284 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-26 21:19:26,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f8f8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:26, skipping insertion in model container [2019-11-26 21:19:26,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:19:26,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 21:19:26,289 INFO L168 Benchmark]: Toolchain (without parser) took 637.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-26 21:19:26,290 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:19:26,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-26 21:19:26,296 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 634.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 21:19:28,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:19:28,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:19:28,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:19:28,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:19:28,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:19:28,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:19:28,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:19:28,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:19:28,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:19:28,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:19:28,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:19:28,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:19:28,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:19:28,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:19:28,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:19:28,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:19:28,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:19:28,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:19:28,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:19:28,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:19:28,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:19:28,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:19:28,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:19:28,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:19:28,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:19:28,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:19:28,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:19:28,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:19:28,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:19:28,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:19:28,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:19:28,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:19:28,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:19:28,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:19:28,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:19:28,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:19:28,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:19:28,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:19:28,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:19:28,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:19:28,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 21:19:28,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:19:28,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:19:28,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:19:28,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:19:28,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:19:28,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:19:28,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:19:28,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:19:28,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:19:28,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:19:28,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:19:28,233 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:19:28,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:19:28,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:19:28,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:19:28,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:19:28,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 21:19:28,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 21:19:28,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:19:28,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:19:28,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:19:28,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:19:28,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:19:28,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:19:28,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:19:28,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:19:28,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:19:28,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 21:19:28,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 21:19:28,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 21:19:28,238 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9de0b0c743a2720b24a0366af33371eca52f31f7 [2019-11-26 21:19:28,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:19:28,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:19:28,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:19:28,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:19:28,612 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:19:28,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-26 21:19:28,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70917f840/eaa61c9311a041c8a018d4404c890f3c/FLAGbbdaa9eac [2019-11-26 21:19:29,281 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:19:29,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-26 21:19:29,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70917f840/eaa61c9311a041c8a018d4404c890f3c/FLAGbbdaa9eac [2019-11-26 21:19:29,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70917f840/eaa61c9311a041c8a018d4404c890f3c [2019-11-26 21:19:29,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:19:29,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:19:29,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:19:29,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:19:29,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:19:29,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:19:29" (1/1) ... [2019-11-26 21:19:29,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:29, skipping insertion in model container [2019-11-26 21:19:29,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:19:29" (1/1) ... [2019-11-26 21:19:29,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:19:29,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:19:30,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:19:30,339 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 21:19:30,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:19:30,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:19:30,436 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 21:19:30,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:19:30,579 INFO L208 MainTranslator]: Completed translation [2019-11-26 21:19:30,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30 WrapperNode [2019-11-26 21:19:30,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:19:30,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 21:19:30,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 21:19:30,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 21:19:30,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... [2019-11-26 21:19:30,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 21:19:30,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 21:19:30,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 21:19:30,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 21:19:30,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:19:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 21:19:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 21:19:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:19:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:19:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 21:19:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 21:19:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 21:19:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 21:19:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 21:19:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 21:19:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 21:19:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 21:19:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 21:19:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:19:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 21:19:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 21:19:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 21:19:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 21:19:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 21:19:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 21:19:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 21:19:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 21:19:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 21:19:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 21:19:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 21:19:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 21:19:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 21:19:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 21:19:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 21:19:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 21:19:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 21:19:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 21:19:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 21:19:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 21:19:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 21:19:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 21:19:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 21:19:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 21:19:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 21:19:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 21:19:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 21:19:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 21:19:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-26 21:19:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-26 21:19:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 21:19:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 21:19:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 21:19:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 21:19:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 21:19:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 21:19:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 21:19:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 21:19:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 21:19:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 21:19:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 21:19:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 21:19:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 21:19:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 21:19:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 21:19:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 21:19:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 21:19:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 21:19:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 21:19:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 21:19:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 21:19:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 21:19:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 21:19:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 21:19:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 21:19:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 21:19:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 21:19:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 21:19:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 21:19:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 21:19:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 21:19:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 21:19:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 21:19:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 21:19:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 21:19:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 21:19:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 21:19:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 21:19:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 21:19:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 21:19:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 21:19:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 21:19:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 21:19:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 21:19:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 21:19:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 21:19:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 21:19:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 21:19:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 21:19:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 21:19:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 21:19:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 21:19:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 21:19:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 21:19:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 21:19:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 21:19:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 21:19:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 21:19:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 21:19:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 21:19:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 21:19:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 21:19:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 21:19:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 21:19:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 21:19:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 21:19:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 21:19:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 21:19:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 21:19:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 21:19:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 21:19:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 21:19:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 21:19:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 21:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 21:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 21:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 21:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 21:19:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 21:19:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 21:19:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 21:19:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 21:19:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 21:19:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 21:19:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 21:19:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 21:19:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 21:19:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 21:19:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 21:19:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 21:19:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 21:19:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 21:19:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 21:19:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 21:19:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 21:19:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 21:19:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 21:19:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 21:19:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 21:19:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 21:19:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 21:19:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 21:19:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 21:19:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 21:19:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 21:19:30,862 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 21:19:30,862 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 21:19:30,862 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 21:19:30,862 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 21:19:30,862 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 21:19:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 21:19:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 21:19:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 21:19:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 21:19:30,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 21:19:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 21:19:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 21:19:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 21:19:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 21:19:30,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 21:19:30,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 21:19:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 21:19:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:19:30,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 21:19:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 21:19:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 21:19:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 21:19:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 21:19:30,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 21:19:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 21:19:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 21:19:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 21:19:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 21:19:30,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 21:19:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 21:19:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 21:19:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 21:19:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 21:19:30,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 21:19:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:19:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 21:19:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 21:19:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 21:19:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 21:19:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 21:19:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 21:19:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 21:19:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 21:19:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 21:19:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-26 21:19:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-26 21:19:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 21:19:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 21:19:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 21:19:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 21:19:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 21:19:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 21:19:31,513 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:19:31,951 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:19:32,533 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 21:19:32,534 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 21:19:32,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:19:32 BoogieIcfgContainer [2019-11-26 21:19:32,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 21:19:32,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 21:19:32,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 21:19:32,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 21:19:32,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 09:19:29" (1/3) ... [2019-11-26 21:19:32,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22110322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:19:32, skipping insertion in model container [2019-11-26 21:19:32,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:19:30" (2/3) ... [2019-11-26 21:19:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22110322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:19:32, skipping insertion in model container [2019-11-26 21:19:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:19:32" (3/3) ... [2019-11-26 21:19:32,545 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2019-11-26 21:19:32,556 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 21:19:32,565 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-11-26 21:19:32,580 INFO L249 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-11-26 21:19:32,601 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 21:19:32,602 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 21:19:32,602 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 21:19:32,602 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 21:19:32,602 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 21:19:32,602 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 21:19:32,602 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 21:19:32,603 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 21:19:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-26 21:19:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 21:19:32,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:32,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:32,648 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2019-11-26 21:19:32,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:32,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793390835] [2019-11-26 21:19:32,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:32,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 21:19:32,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:32,999 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:19:33,000 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:33,015 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:33,016 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:33,017 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:19:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:33,098 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:34,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793390835] [2019-11-26 21:19:34,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:34,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-26 21:19:34,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351388949] [2019-11-26 21:19:34,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-26 21:19:34,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:34,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-26 21:19:34,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-26 21:19:34,067 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 14 states. [2019-11-26 21:19:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:35,391 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-26 21:19:35,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-26 21:19:35,393 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-26 21:19:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:35,406 INFO L225 Difference]: With dead ends: 91 [2019-11-26 21:19:35,407 INFO L226 Difference]: Without dead ends: 88 [2019-11-26 21:19:35,409 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2019-11-26 21:19:35,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-26 21:19:35,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2019-11-26 21:19:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-26 21:19:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2019-11-26 21:19:35,459 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2019-11-26 21:19:35,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:35,459 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2019-11-26 21:19:35,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-26 21:19:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2019-11-26 21:19:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 21:19:35,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:35,461 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:35,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 21:19:35,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:35,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:35,666 INFO L82 PathProgramCache]: Analyzing trace with hash -200276896, now seen corresponding path program 1 times [2019-11-26 21:19:35,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:35,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613146034] [2019-11-26 21:19:35,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:35,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:19:35,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:35,875 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:19:35,876 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:35,878 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:35,879 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:35,879 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:19:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:35,903 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:35,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613146034] [2019-11-26 21:19:35,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:35,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-26 21:19:35,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897469958] [2019-11-26 21:19:35,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:19:35,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:35,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:19:35,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:35,952 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 5 states. [2019-11-26 21:19:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:36,140 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2019-11-26 21:19:36,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:19:36,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 21:19:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:36,142 INFO L225 Difference]: With dead ends: 83 [2019-11-26 21:19:36,142 INFO L226 Difference]: Without dead ends: 83 [2019-11-26 21:19:36,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:36,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-26 21:19:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-26 21:19:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-26 21:19:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2019-11-26 21:19:36,154 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 16 [2019-11-26 21:19:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:36,155 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2019-11-26 21:19:36,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:19:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2019-11-26 21:19:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 21:19:36,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:36,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:36,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 21:19:36,369 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:36,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:36,369 INFO L82 PathProgramCache]: Analyzing trace with hash 687226786, now seen corresponding path program 1 times [2019-11-26 21:19:36,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:36,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586124778] [2019-11-26 21:19:36,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:36,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:19:36,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:36,526 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:36,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586124778] [2019-11-26 21:19:36,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:36,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:19:36,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006944712] [2019-11-26 21:19:36,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:19:36,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:36,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:19:36,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:36,568 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 5 states. [2019-11-26 21:19:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:36,621 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2019-11-26 21:19:36,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:19:36,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 21:19:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:36,626 INFO L225 Difference]: With dead ends: 78 [2019-11-26 21:19:36,628 INFO L226 Difference]: Without dead ends: 78 [2019-11-26 21:19:36,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-26 21:19:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-26 21:19:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-26 21:19:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-26 21:19:36,650 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2019-11-26 21:19:36,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:36,652 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-26 21:19:36,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:19:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-26 21:19:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 21:19:36,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:36,656 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:36,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 21:19:36,857 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:36,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:36,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1913632700, now seen corresponding path program 1 times [2019-11-26 21:19:36,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:36,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561963353] [2019-11-26 21:19:36,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:36,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:19:36,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:37,010 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:37,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561963353] [2019-11-26 21:19:37,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:37,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:19:37,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760912367] [2019-11-26 21:19:37,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:19:37,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:37,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:19:37,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:37,077 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2019-11-26 21:19:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:37,120 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2019-11-26 21:19:37,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:19:37,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-26 21:19:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:37,123 INFO L225 Difference]: With dead ends: 78 [2019-11-26 21:19:37,123 INFO L226 Difference]: Without dead ends: 78 [2019-11-26 21:19:37,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:19:37,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-26 21:19:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-26 21:19:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-26 21:19:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2019-11-26 21:19:37,131 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 17 [2019-11-26 21:19:37,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:37,132 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2019-11-26 21:19:37,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:19:37,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2019-11-26 21:19:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 21:19:37,133 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:37,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:37,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 21:19:37,345 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:37,345 INFO L82 PathProgramCache]: Analyzing trace with hash -170822365, now seen corresponding path program 1 times [2019-11-26 21:19:37,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:37,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232614080] [2019-11-26 21:19:37,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:37,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:19:37,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:37,471 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:37,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232614080] [2019-11-26 21:19:37,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:37,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 21:19:37,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135951008] [2019-11-26 21:19:37,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 21:19:37,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:37,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 21:19:37,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:19:37,523 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 3 states. [2019-11-26 21:19:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:37,675 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-11-26 21:19:37,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 21:19:37,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-26 21:19:37,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:37,677 INFO L225 Difference]: With dead ends: 114 [2019-11-26 21:19:37,678 INFO L226 Difference]: Without dead ends: 109 [2019-11-26 21:19:37,678 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:19:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-26 21:19:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2019-11-26 21:19:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-26 21:19:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-11-26 21:19:37,686 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 17 [2019-11-26 21:19:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:37,686 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-11-26 21:19:37,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 21:19:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-11-26 21:19:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 21:19:37,687 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:37,687 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:37,889 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 21:19:37,889 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:37,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:37,890 INFO L82 PathProgramCache]: Analyzing trace with hash -73256383, now seen corresponding path program 1 times [2019-11-26 21:19:37,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:37,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566163268] [2019-11-26 21:19:37,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:38,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-26 21:19:38,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:38,055 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:19:38,055 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:38,068 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:38,069 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:38,069 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:19:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:38,212 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:38,401 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-11-26 21:19:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:39,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566163268] [2019-11-26 21:19:39,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:19:39,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-26 21:19:39,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714303858] [2019-11-26 21:19:39,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 21:19:39,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:39,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 21:19:39,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-26 21:19:39,502 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 18 states. [2019-11-26 21:19:41,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:41,661 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-26 21:19:41,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-26 21:19:41,662 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-26 21:19:41,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:41,663 INFO L225 Difference]: With dead ends: 91 [2019-11-26 21:19:41,663 INFO L226 Difference]: Without dead ends: 91 [2019-11-26 21:19:41,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-26 21:19:41,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-26 21:19:41,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2019-11-26 21:19:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-26 21:19:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2019-11-26 21:19:41,672 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 22 [2019-11-26 21:19:41,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:41,672 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2019-11-26 21:19:41,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 21:19:41,672 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2019-11-26 21:19:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 21:19:41,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:41,674 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, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:41,879 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 21:19:41,880 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:41,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:41,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1067902475, now seen corresponding path program 1 times [2019-11-26 21:19:41,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:41,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576675347] [2019-11-26 21:19:41,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:42,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:19:42,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:42,108 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:42,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576675347] [2019-11-26 21:19:42,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:19:42,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-26 21:19:42,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712751310] [2019-11-26 21:19:42,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-26 21:19:42,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:42,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-26 21:19:42,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-26 21:19:42,266 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 12 states. [2019-11-26 21:19:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:42,683 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2019-11-26 21:19:42,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 21:19:42,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-26 21:19:42,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:42,685 INFO L225 Difference]: With dead ends: 92 [2019-11-26 21:19:42,685 INFO L226 Difference]: Without dead ends: 92 [2019-11-26 21:19:42,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2019-11-26 21:19:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-26 21:19:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2019-11-26 21:19:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-26 21:19:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-26 21:19:42,693 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 35 [2019-11-26 21:19:42,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:42,693 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-26 21:19:42,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-26 21:19:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-26 21:19:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 21:19:42,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:42,694 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:42,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 21:19:42,905 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:42,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1190057473, now seen corresponding path program 2 times [2019-11-26 21:19:42,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:42,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491800765] [2019-11-26 21:19:42,908 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:43,053 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-26 21:19:43,053 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 21:19:43,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-26 21:19:43,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:43,081 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:19:43,082 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:43,087 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:43,088 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:43,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:19:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:43,429 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:45,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:19:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:45,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491800765] [2019-11-26 21:19:45,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:19:45,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-26 21:19:45,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396015928] [2019-11-26 21:19:45,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-26 21:19:45,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:45,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-26 21:19:45,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-26 21:19:45,825 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 28 states. [2019-11-26 21:19:46,996 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2019-11-26 21:19:47,436 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-26 21:19:47,952 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2019-11-26 21:19:48,277 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-11-26 21:19:48,802 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-26 21:19:49,120 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-11-26 21:19:50,076 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2019-11-26 21:19:50,541 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-26 21:19:50,982 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-26 21:19:51,289 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-26 21:19:51,781 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-26 21:19:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:53,147 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-11-26 21:19:53,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-26 21:19:53,149 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-26 21:19:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:53,151 INFO L225 Difference]: With dead ends: 112 [2019-11-26 21:19:53,151 INFO L226 Difference]: Without dead ends: 112 [2019-11-26 21:19:53,153 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-26 21:19:53,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-26 21:19:53,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2019-11-26 21:19:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-26 21:19:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2019-11-26 21:19:53,161 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 34 [2019-11-26 21:19:53,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:53,161 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2019-11-26 21:19:53,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-26 21:19:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2019-11-26 21:19:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 21:19:53,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:53,164 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:53,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 21:19:53,376 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:53,376 INFO L82 PathProgramCache]: Analyzing trace with hash -321692208, now seen corresponding path program 2 times [2019-11-26 21:19:53,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:53,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926308418] [2019-11-26 21:19:53,377 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:53,502 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-26 21:19:53,503 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 21:19:53,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:19:53,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-26 21:19:53,541 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-26 21:19:53,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926308418] [2019-11-26 21:19:53,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:19:53,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-26 21:19:53,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907309307] [2019-11-26 21:19:53,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-26 21:19:53,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:53,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-26 21:19:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-26 21:19:53,612 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 7 states. [2019-11-26 21:19:53,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:53,732 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2019-11-26 21:19:53,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 21:19:53,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-26 21:19:53,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:53,735 INFO L225 Difference]: With dead ends: 141 [2019-11-26 21:19:53,735 INFO L226 Difference]: Without dead ends: 138 [2019-11-26 21:19:53,735 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-26 21:19:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-26 21:19:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2019-11-26 21:19:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-26 21:19:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2019-11-26 21:19:53,742 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 50 [2019-11-26 21:19:53,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:53,743 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2019-11-26 21:19:53,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-26 21:19:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2019-11-26 21:19:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 21:19:53,745 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:53,745 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:53,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-26 21:19:53,953 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:53,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:53,953 INFO L82 PathProgramCache]: Analyzing trace with hash 115614506, now seen corresponding path program 1 times [2019-11-26 21:19:53,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:53,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392440886] [2019-11-26 21:19:53,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:19:54,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 21:19:54,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:19:54,279 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-26 21:19:54,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392440886] [2019-11-26 21:19:54,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:19:54,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-26 21:19:54,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657653884] [2019-11-26 21:19:54,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-26 21:19:54,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:54,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-26 21:19:54,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-26 21:19:54,649 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 22 states. [2019-11-26 21:19:55,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:19:55,229 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2019-11-26 21:19:55,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 21:19:55,230 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-26 21:19:55,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:19:55,231 INFO L225 Difference]: With dead ends: 111 [2019-11-26 21:19:55,232 INFO L226 Difference]: Without dead ends: 111 [2019-11-26 21:19:55,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-11-26 21:19:55,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-26 21:19:55,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-26 21:19:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-26 21:19:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-11-26 21:19:55,248 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 50 [2019-11-26 21:19:55,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:19:55,251 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-11-26 21:19:55,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-26 21:19:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-11-26 21:19:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 21:19:55,262 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:19:55,262 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:19:55,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-26 21:19:55,464 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:19:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:19:55,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535094, now seen corresponding path program 2 times [2019-11-26 21:19:55,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:19:55,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300699093] [2019-11-26 21:19:55,469 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-26 21:19:55,663 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-26 21:19:55,663 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 21:19:55,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 21:19:55,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:19:55,682 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:19:55,683 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:55,684 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:55,685 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:19:55,685 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:19:55,807 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:19:55,807 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-26 21:19:55,808 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:19:55,831 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 21:19:55,832 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:19:55,832 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-26 21:19:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 21:19:55,865 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:19:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 21:19:56,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300699093] [2019-11-26 21:19:56,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:19:56,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-26 21:19:56,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790000894] [2019-11-26 21:19:56,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 21:19:56,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:19:56,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 21:19:56,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2019-11-26 21:19:56,277 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 17 states. [2019-11-26 21:20:16,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:16,578 INFO L93 Difference]: Finished difference Result 208 states and 237 transitions. [2019-11-26 21:20:16,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-26 21:20:16,578 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-26 21:20:16,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:16,581 INFO L225 Difference]: With dead ends: 208 [2019-11-26 21:20:16,581 INFO L226 Difference]: Without dead ends: 208 [2019-11-26 21:20:16,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2019-11-26 21:20:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-11-26 21:20:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 109. [2019-11-26 21:20:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-26 21:20:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2019-11-26 21:20:16,589 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 56 [2019-11-26 21:20:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:16,589 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2019-11-26 21:20:16,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 21:20:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2019-11-26 21:20:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 21:20:16,591 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:16,591 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:16,811 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-26 21:20:16,811 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:16,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535093, now seen corresponding path program 1 times [2019-11-26 21:20:16,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:16,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220845223] [2019-11-26 21:20:16,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:17,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-26 21:20:17,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:17,045 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:17,045 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:17,054 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:17,058 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:17,058 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:17,067 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:17,067 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:17,068 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 21:20:19,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 21:20:19,319 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-26 21:20:19,320 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:19,353 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:19,372 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:19,373 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 11 treesize of output 15 [2019-11-26 21:20:19,373 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:19,397 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:19,398 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:19,398 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-26 21:20:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 21:20:19,444 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:19,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:20,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:20,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:20,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:28,331 WARN L192 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-26 21:20:28,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:31,254 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_259|], 2=[|v_#length_220|]} [2019-11-26 21:20:31,268 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 21:20:31,269 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:31,279 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:31,280 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 21:20:31,280 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:31,290 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:31,290 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:31,290 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-26 21:20:31,977 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 21:20:31,993 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 21:20:31,993 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:32,017 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:32,020 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 21:20:32,021 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:32,041 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:32,042 INFO L508 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:20:32,042 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-26 21:20:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 21:20:32,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220845223] [2019-11-26 21:20:32,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:32,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-26 21:20:32,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923678368] [2019-11-26 21:20:32,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-26 21:20:32,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:32,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-26 21:20:32,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=406, Unknown=4, NotChecked=0, Total=462 [2019-11-26 21:20:32,206 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 22 states. [2019-11-26 21:21:00,860 WARN L192 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-26 21:21:19,404 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)) (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (and (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1)))))))) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_49| (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32))) (let ((.cse2 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse3 (bvadd .cse2 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_49|))) (not (bvule (bvadd .cse2 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse3)) (bvule .cse3 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_49| ldv_malloc_~size) v_alloc_17_~array.base_BEFORE_CALL_4)) (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (and (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1)))))))) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) is different from false [2019-11-26 21:21:49,863 WARN L192 SmtUtils]: Spent 16.22 s on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-11-26 21:22:04,611 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvadd (select |c_#length| c_entry_point_~array~0.base) (_ bv4294967256 32)) (_ bv0 32)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (bvadd (select |c_#valid| c_entry_point_~array~0.base) (_ bv1 1)) (_ bv0 1)) (= (bvadd c_entry_point_~len~0 (_ bv4294967286 32)) (_ bv0 32)) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)) (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (and (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1)))))))) (= (_ bv0 32) c_entry_point_~array~0.offset) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) is different from false [2019-11-26 21:22:11,873 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv40 32) (select |c_#length| c_alloc_17_~array.base)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)) (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (and (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1)))))))) (= c_alloc_17_~array.offset (_ bv0 32)) (= (_ bv0 32) c_alloc_17_~i~0) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) is different from false [2019-11-26 21:22:12,689 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-26 21:22:48,483 WARN L192 SmtUtils]: Spent 12.21 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-26 21:23:26,126 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-26 21:23:44,960 WARN L192 SmtUtils]: Spent 12.34 s on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2019-11-26 21:24:13,552 WARN L192 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2019-11-26 21:24:32,779 WARN L192 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-11-26 21:25:25,281 WARN L192 SmtUtils]: Spent 30.19 s on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2019-11-26 21:25:33,566 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (_ bv40 32) (select |c_#length| |c_alloc_17_#in~array.base|)) (= |c_#valid| |c_old(#valid)|) (forall ((v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (bvule .cse0 (select |c_#length| v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd .cse1 v_alloc_17_~array.offset_BEFORE_CALL_2) .cse0)) (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (and (not (bvule (bvadd (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) v_alloc_17_~array.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1)))))))) (= |c_old(#length)| |c_#length|) (= (_ bv1 1) (select |c_#valid| |c_alloc_17_#in~array.base|)) (exists ((v_prenex_4 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4))) (= |c_alloc_17_#in~array.offset| (_ bv0 32))) is different from false [2019-11-26 21:25:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:25:33,584 INFO L93 Difference]: Finished difference Result 287 states and 331 transitions. [2019-11-26 21:25:33,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-26 21:25:33,585 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-26 21:25:33,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:25:33,588 INFO L225 Difference]: With dead ends: 287 [2019-11-26 21:25:33,588 INFO L226 Difference]: Without dead ends: 287 [2019-11-26 21:25:33,590 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 191.4s TimeCoverageRelationStatistics Valid=214, Invalid=1253, Unknown=31, NotChecked=308, Total=1806 [2019-11-26 21:25:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-11-26 21:25:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 119. [2019-11-26 21:25:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-26 21:25:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2019-11-26 21:25:33,625 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 56 [2019-11-26 21:25:33,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:25:33,626 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2019-11-26 21:25:33,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-26 21:25:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2019-11-26 21:25:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 21:25:33,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:25:33,627 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:25:33,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-26 21:25:33,834 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:25:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:25:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1207954601, now seen corresponding path program 1 times [2019-11-26 21:25:33,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:25:33,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288358554] [2019-11-26 21:25:33,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-26 21:25:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:25:34,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:25:34,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:25:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-26 21:25:34,059 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:25:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-26 21:25:34,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288358554] [2019-11-26 21:25:34,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:25:34,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:25:34,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568452702] [2019-11-26 21:25:34,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:25:34,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:25:34,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:25:34,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:25:34,100 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 5 states. [2019-11-26 21:25:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:25:34,157 INFO L93 Difference]: Finished difference Result 142 states and 165 transitions. [2019-11-26 21:25:34,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 21:25:34,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-26 21:25:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:25:34,161 INFO L225 Difference]: With dead ends: 142 [2019-11-26 21:25:34,161 INFO L226 Difference]: Without dead ends: 142 [2019-11-26 21:25:34,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 21:25:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-26 21:25:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 125. [2019-11-26 21:25:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-26 21:25:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2019-11-26 21:25:34,167 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 58 [2019-11-26 21:25:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:25:34,168 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2019-11-26 21:25:34,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:25:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2019-11-26 21:25:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 21:25:34,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:25:34,169 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:25:34,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-26 21:25:34,385 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:25:34,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:25:34,386 INFO L82 PathProgramCache]: Analyzing trace with hash 534855734, now seen corresponding path program 1 times [2019-11-26 21:25:34,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:25:34,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785742496] [2019-11-26 21:25:34,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-26 21:25:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:25:34,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 21:25:34,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:25:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-26 21:25:34,623 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:25:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-26 21:25:34,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785742496] [2019-11-26 21:25:34,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:25:34,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 21:25:34,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867198513] [2019-11-26 21:25:34,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 21:25:34,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:25:34,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 21:25:34,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 21:25:34,658 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 6 states. [2019-11-26 21:25:34,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:25:34,778 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2019-11-26 21:25:34,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:25:34,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-26 21:25:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:25:34,781 INFO L225 Difference]: With dead ends: 132 [2019-11-26 21:25:34,781 INFO L226 Difference]: Without dead ends: 132 [2019-11-26 21:25:34,782 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 21:25:34,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-26 21:25:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2019-11-26 21:25:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-26 21:25:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 144 transitions. [2019-11-26 21:25:34,788 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 144 transitions. Word has length 58 [2019-11-26 21:25:34,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:25:34,789 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 144 transitions. [2019-11-26 21:25:34,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 21:25:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2019-11-26 21:25:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 21:25:34,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:25:34,791 INFO L410 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:25:34,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-26 21:25:34,992 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:25:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:25:34,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1546730881, now seen corresponding path program 3 times [2019-11-26 21:25:34,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:25:34,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256798729] [2019-11-26 21:25:34,993 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-26 21:25:35,425 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-26 21:25:35,425 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 21:25:35,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-26 21:25:35,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:25:35,460 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:25:35,461 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:25:35,472 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:25:35,472 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:25:35,472 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:25:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:25:35,935 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:25:37,799 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-11-26 21:25:43,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:25:43,898 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-11-26 21:25:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:25:44,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256798729] [2019-11-26 21:25:44,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:25:44,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 42 [2019-11-26 21:25:44,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363487249] [2019-11-26 21:25:44,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-26 21:25:44,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:25:44,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-26 21:25:44,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2019-11-26 21:25:44,813 INFO L87 Difference]: Start difference. First operand 127 states and 144 transitions. Second operand 42 states. [2019-11-26 21:25:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:25:50,605 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2019-11-26 21:25:50,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-26 21:25:50,608 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 58 [2019-11-26 21:25:50,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:25:50,609 INFO L225 Difference]: With dead ends: 113 [2019-11-26 21:25:50,609 INFO L226 Difference]: Without dead ends: 113 [2019-11-26 21:25:50,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=589, Invalid=2491, Unknown=0, NotChecked=0, Total=3080 [2019-11-26 21:25:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-26 21:25:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-26 21:25:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-26 21:25:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2019-11-26 21:25:50,622 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 58 [2019-11-26 21:25:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:25:50,623 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2019-11-26 21:25:50,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-26 21:25:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2019-11-26 21:25:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-26 21:25:50,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:25:50,626 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:25:50,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-26 21:25:50,829 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:25:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:25:50,829 INFO L82 PathProgramCache]: Analyzing trace with hash 926469409, now seen corresponding path program 1 times [2019-11-26 21:25:50,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:25:50,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440523342] [2019-11-26 21:25:50,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-26 21:25:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:25:51,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 21:25:51,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:25:51,025 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:25:51,026 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:25:51,028 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:25:51,028 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:25:51,029 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:25:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 21:25:51,117 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:25:51,414 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-26 21:25:51,414 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 21:25:51,420 INFO L168 Benchmark]: Toolchain (without parser) took 381805.18 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.0 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -209.0 MB). Peak memory consumption was 125.0 MB. Max. memory is 11.5 GB. [2019-11-26 21:25:51,420 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:25:51,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-26 21:25:51,421 INFO L168 Benchmark]: Boogie Preprocessor took 142.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 21:25:51,421 INFO L168 Benchmark]: RCFGBuilder took 1809.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.1 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2019-11-26 21:25:51,422 INFO L168 Benchmark]: TraceAbstraction took 378880.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 974.1 MB in the beginning and 1.2 GB in the end (delta: -190.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:25:51,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 966.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.07 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 1809.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.1 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 378880.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 974.1 MB in the beginning and 1.2 GB in the end (delta: -190.0 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...