./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c9c8a757 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.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 e9fb52f5a8769e751d5dc39d93dc642433ae2f5b ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.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 e9fb52f5a8769e751d5dc39d93dc642433ae2f5b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-c9c8a75 [2019-11-28 10:03:13,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:13,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:13,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:13,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:13,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:13,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:13,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:13,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:13,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:13,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:13,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:13,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:13,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:13,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:13,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:13,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:13,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:13,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:13,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:13,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:13,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:13,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:13,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:13,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:13,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:13,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:13,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:13,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:13,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:13,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:13,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:13,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:13,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:13,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:13,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:13,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:13,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:13,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:13,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:13,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:13,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 10:03:13,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:13,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:13,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:13,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:13,314 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:13,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:13,314 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:13,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:13,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:13,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:13,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:13,316 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:13,317 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:13,317 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:13,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:13,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:13,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:13,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:13,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:13,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:13,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:13,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:13,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:13,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:13,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:13,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 10:03:13,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 10:03:13,321 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 -> e9fb52f5a8769e751d5dc39d93dc642433ae2f5b [2019-11-28 10:03:13,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:13,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:13,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:13,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:13,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:13,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-28 10:03:13,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3354a00ef/c91fbdfd38a04a53b6332ea8594e97de/FLAGc71a0d946 [2019-11-28 10:03:14,371 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:14,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-28 10:03:14,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3354a00ef/c91fbdfd38a04a53b6332ea8594e97de/FLAGc71a0d946 [2019-11-28 10:03:14,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3354a00ef/c91fbdfd38a04a53b6332ea8594e97de [2019-11-28 10:03:14,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:14,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:14,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:14,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:14,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:14,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:14" (1/1) ... [2019-11-28 10:03:14,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69923c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:14, skipping insertion in model container [2019-11-28 10:03:14,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:14" (1/1) ... [2019-11-28 10:03:14,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:14,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:15,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:15,462 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 10:03:15,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ea92e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:15, skipping insertion in model container [2019-11-28 10:03:15,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:15,464 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 10:03:15,468 INFO L168 Benchmark]: Toolchain (without parser) took 772.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:15,469 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:03:15,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:15,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 769.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c9c8a75 [2019-11-28 10:03:17,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:17,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:17,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:17,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:17,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:17,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:17,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:17,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:17,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:17,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:17,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:17,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:17,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:17,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:17,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:17,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:17,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:17,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:17,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:17,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:17,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:17,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:17,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:17,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:17,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:17,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:17,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:17,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:17,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:17,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:17,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:17,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:17,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:17,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:17,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:17,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:17,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:17,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:17,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:17,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:17,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 10:03:17,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:17,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:17,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:17,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:17,340 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:17,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:17,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:17,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:17,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:17,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:17,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:17,342 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:17,342 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:17,343 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:17,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:17,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:17,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 10:03:17,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 10:03:17,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:17,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:17,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:17,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:17,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:17,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:17,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:17,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:17,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:17,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 10:03:17,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 10:03:17,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 10:03:17,347 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 -> e9fb52f5a8769e751d5dc39d93dc642433ae2f5b [2019-11-28 10:03:17,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:17,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:17,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:17,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:17,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:17,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-28 10:03:17,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2027122b/c02c11c9cc294b7ca5fe077ace76276a/FLAG9fc5d5757 [2019-11-28 10:03:18,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:18,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-28 10:03:18,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2027122b/c02c11c9cc294b7ca5fe077ace76276a/FLAG9fc5d5757 [2019-11-28 10:03:18,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2027122b/c02c11c9cc294b7ca5fe077ace76276a [2019-11-28 10:03:18,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:18,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:18,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:18,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:18,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:18,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:18,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:18, skipping insertion in model container [2019-11-28 10:03:18,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:18" (1/1) ... [2019-11-28 10:03:18,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:18,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:19,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:19,219 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 10:03:19,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:19,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:19,345 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 10:03:19,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:19,507 INFO L208 MainTranslator]: Completed translation [2019-11-28 10:03:19,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19 WrapperNode [2019-11-28 10:03:19,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:19,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 10:03:19,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 10:03:19,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 10:03:19,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... [2019-11-28 10:03:19,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 10:03:19,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 10:03:19,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 10:03:19,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 10:03:19,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 10:03:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 10:03:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 10:03:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 10:03:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 10:03:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 10:03:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 10:03:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 10:03:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 10:03:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 10:03:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 10:03:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 10:03:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 10:03:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 10:03:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 10:03:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 10:03:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 10:03:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 10:03:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 10:03:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 10:03:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 10:03:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 10:03:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 10:03:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 10:03:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 10:03:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 10:03:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 10:03:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 10:03:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 10:03:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 10:03:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 10:03:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 10:03:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 10:03:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 10:03:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 10:03:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 10:03:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 10:03:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 10:03:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 10:03:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_get [2019-11-28 10:03:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_put [2019-11-28 10:03:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 10:03:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 10:03:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 10:03:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 10:03:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 10:03:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 10:03:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 10:03:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 10:03:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 10:03:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 10:03:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 10:03:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 10:03:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 10:03:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 10:03:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 10:03:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 10:03:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 10:03:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 10:03:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 10:03:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 10:03:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 10:03:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 10:03:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 10:03:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 10:03:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 10:03:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 10:03:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 10:03:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 10:03:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 10:03:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 10:03:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 10:03:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 10:03:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 10:03:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 10:03:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 10:03:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 10:03:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 10:03:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 10:03:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 10:03:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 10:03:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 10:03:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 10:03:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 10:03:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 10:03:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 10:03:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 10:03:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 10:03:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 10:03:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 10:03:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 10:03:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 10:03:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 10:03:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 10:03:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 10:03:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 10:03:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 10:03:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 10:03:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 10:03:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 10:03:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 10:03:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 10:03:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 10:03:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 10:03:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 10:03:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 10:03:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 10:03:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 10:03:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 10:03:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 10:03:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 10:03:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 10:03:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 10:03:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 10:03:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 10:03:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 10:03:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 10:03:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 10:03:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 10:03:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 10:03:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 10:03:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 10:03:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 10:03:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 10:03:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 10:03:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 10:03:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 10:03:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 10:03:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 10:03:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 10:03:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 10:03:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 10:03:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 10:03:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 10:03:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 10:03:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 10:03:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 10:03:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 10:03:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 10:03:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 10:03:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 10:03:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 10:03:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 10:03:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 10:03:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 10:03:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 10:03:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 10:03:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 10:03:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 10:03:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 10:03:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 10:03:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 10:03:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 10:03:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 10:03:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 10:03:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_get [2019-11-28 10:03:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_put [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 10:03:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 10:03:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 10:03:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 10:03:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 10:03:20,399 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:20,838 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:21,246 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 10:03:21,246 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 10:03:21,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:21 BoogieIcfgContainer [2019-11-28 10:03:21,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 10:03:21,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 10:03:21,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 10:03:21,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 10:03:21,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:03:18" (1/3) ... [2019-11-28 10:03:21,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de554a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:21, skipping insertion in model container [2019-11-28 10:03:21,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:19" (2/3) ... [2019-11-28 10:03:21,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de554a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:21, skipping insertion in model container [2019-11-28 10:03:21,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:21" (3/3) ... [2019-11-28 10:03:21,259 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2019-11-28 10:03:21,269 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 10:03:21,283 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-28 10:03:21,297 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-28 10:03:21,318 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 10:03:21,318 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 10:03:21,319 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 10:03:21,319 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 10:03:21,319 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 10:03:21,319 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 10:03:21,319 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 10:03:21,320 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 10:03:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-11-28 10:03:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:21,352 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:21,353 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:21,354 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:21,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:21,360 INFO L82 PathProgramCache]: Analyzing trace with hash -604206848, now seen corresponding path program 1 times [2019-11-28 10:03:21,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:21,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166544242] [2019-11-28 10:03:21,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:21,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:21,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:21,628 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:21,629 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:21,642 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:21,642 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:21,642 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:21,676 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:21,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166544242] [2019-11-28 10:03:21,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:21,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 10:03:21,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347361310] [2019-11-28 10:03:21,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:21,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:21,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:21,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:21,751 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 5 states. [2019-11-28 10:03:22,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:22,111 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2019-11-28 10:03:22,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:22,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 10:03:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:22,132 INFO L225 Difference]: With dead ends: 160 [2019-11-28 10:03:22,133 INFO L226 Difference]: Without dead ends: 157 [2019-11-28 10:03:22,135 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-28 10:03:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2019-11-28 10:03:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 10:03:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2019-11-28 10:03:22,199 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 17 [2019-11-28 10:03:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:22,200 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2019-11-28 10:03:22,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2019-11-28 10:03:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:22,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:22,202 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:22,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 10:03:22,417 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:22,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:22,418 INFO L82 PathProgramCache]: Analyzing trace with hash -604206847, now seen corresponding path program 1 times [2019-11-28 10:03:22,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:22,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211890539] [2019-11-28 10:03:22,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:22,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 10:03:22,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:22,590 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:22,590 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:22,600 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:22,601 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:22,601 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:22,660 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:22,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211890539] [2019-11-28 10:03:22,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:22,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-28 10:03:22,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005548983] [2019-11-28 10:03:22,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 10:03:22,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:22,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 10:03:22,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:22,997 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand 10 states. [2019-11-28 10:03:23,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:23,702 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-28 10:03:23,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 10:03:23,705 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-28 10:03:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:23,707 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:03:23,708 INFO L226 Difference]: Without dead ends: 156 [2019-11-28 10:03:23,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-28 10:03:23,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2019-11-28 10:03:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 10:03:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2019-11-28 10:03:23,723 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 17 [2019-11-28 10:03:23,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:23,723 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2019-11-28 10:03:23,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 10:03:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2019-11-28 10:03:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 10:03:23,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:23,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:23,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 10:03:23,935 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash -575577697, now seen corresponding path program 1 times [2019-11-28 10:03:23,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:23,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697911841] [2019-11-28 10:03:23,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:24,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 10:03:24,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:24,123 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:24,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697911841] [2019-11-28 10:03:24,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:24,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 10:03:24,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368055717] [2019-11-28 10:03:24,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:24,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:24,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:24,177 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 5 states. [2019-11-28 10:03:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:24,222 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2019-11-28 10:03:24,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:24,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 10:03:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:24,227 INFO L225 Difference]: With dead ends: 150 [2019-11-28 10:03:24,227 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:24,228 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-28 10:03:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 10:03:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2019-11-28 10:03:24,247 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 17 [2019-11-28 10:03:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:24,247 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2019-11-28 10:03:24,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2019-11-28 10:03:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 10:03:24,248 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:24,248 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:24,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,464 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:24,464 INFO L82 PathProgramCache]: Analyzing trace with hash 300911328, now seen corresponding path program 1 times [2019-11-28 10:03:24,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:24,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516101674] [2019-11-28 10:03:24,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:24,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:24,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:24,627 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:24,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516101674] [2019-11-28 10:03:24,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:24,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 10:03:24,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812873718] [2019-11-28 10:03:24,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:24,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:24,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:24,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:24,709 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand 5 states. [2019-11-28 10:03:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:24,746 INFO L93 Difference]: Finished difference Result 150 states and 157 transitions. [2019-11-28 10:03:24,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:24,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 10:03:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:24,748 INFO L225 Difference]: With dead ends: 150 [2019-11-28 10:03:24,751 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:24,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:24,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-28 10:03:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 10:03:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2019-11-28 10:03:24,769 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 29 [2019-11-28 10:03:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:24,769 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2019-11-28 10:03:24,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2019-11-28 10:03:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 10:03:24,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:24,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:24,976 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 10:03:24,977 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:24,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:24,978 INFO L82 PathProgramCache]: Analyzing trace with hash -696161025, now seen corresponding path program 1 times [2019-11-28 10:03:24,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:24,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474308583] [2019-11-28 10:03:24,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:25,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 10:03:25,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,230 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474308583] [2019-11-28 10:03:25,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:25,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2019-11-28 10:03:25,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515247174] [2019-11-28 10:03:25,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 10:03:25,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:25,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 10:03:25,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 10:03:25,282 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand 9 states. [2019-11-28 10:03:25,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:25,385 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2019-11-28 10:03:25,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:03:25,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-11-28 10:03:25,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:25,387 INFO L225 Difference]: With dead ends: 168 [2019-11-28 10:03:25,387 INFO L226 Difference]: Without dead ends: 168 [2019-11-28 10:03:25,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:25,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-28 10:03:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2019-11-28 10:03:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-28 10:03:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2019-11-28 10:03:25,413 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 29 [2019-11-28 10:03:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:25,413 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2019-11-28 10:03:25,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 10:03:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2019-11-28 10:03:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 10:03:25,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:25,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:25,615 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 10:03:25,616 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:25,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:25,616 INFO L82 PathProgramCache]: Analyzing trace with hash 536113147, now seen corresponding path program 1 times [2019-11-28 10:03:25,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:25,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283522411] [2019-11-28 10:03:25,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:25,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 10:03:25,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,766 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:25,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283522411] [2019-11-28 10:03:25,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:25,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 10:03:25,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182253827] [2019-11-28 10:03:25,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 10:03:25,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:25,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 10:03:25,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 10:03:25,819 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 6 states. [2019-11-28 10:03:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:25,867 INFO L93 Difference]: Finished difference Result 168 states and 175 transitions. [2019-11-28 10:03:25,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 10:03:25,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-28 10:03:25,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:25,870 INFO L225 Difference]: With dead ends: 168 [2019-11-28 10:03:25,870 INFO L226 Difference]: Without dead ends: 164 [2019-11-28 10:03:25,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-28 10:03:25,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-28 10:03:25,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-28 10:03:25,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 10:03:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 171 transitions. [2019-11-28 10:03:25,882 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 171 transitions. Word has length 32 [2019-11-28 10:03:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:25,882 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 171 transitions. [2019-11-28 10:03:25,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 10:03:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 171 transitions. [2019-11-28 10:03:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 10:03:25,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:25,887 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:26,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,099 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 690495131, now seen corresponding path program 1 times [2019-11-28 10:03:26,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:26,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613146034] [2019-11-28 10:03:26,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:26,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:26,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:26,288 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:26,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613146034] [2019-11-28 10:03:26,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:26,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-28 10:03:26,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170440938] [2019-11-28 10:03:26,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 10:03:26,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:26,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 10:03:26,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:26,408 INFO L87 Difference]: Start difference. First operand 164 states and 171 transitions. Second operand 10 states. [2019-11-28 10:03:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:26,651 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2019-11-28 10:03:26,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:03:26,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-28 10:03:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:26,653 INFO L225 Difference]: With dead ends: 172 [2019-11-28 10:03:26,654 INFO L226 Difference]: Without dead ends: 168 [2019-11-28 10:03:26,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:03:26,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-28 10:03:26,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-11-28 10:03:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-28 10:03:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 175 transitions. [2019-11-28 10:03:26,662 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 175 transitions. Word has length 34 [2019-11-28 10:03:26,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:26,662 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 175 transitions. [2019-11-28 10:03:26,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 10:03:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2019-11-28 10:03:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 10:03:26,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:26,664 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:26,884 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 10:03:26,885 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:26,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385957, now seen corresponding path program 2 times [2019-11-28 10:03:26,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:26,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527380251] [2019-11-28 10:03:26,887 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:27,037 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:27,037 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:27,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 10:03:27,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:27,059 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:27,060 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:27,062 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:27,062 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:27,063 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 10:03:27,285 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-28 10:03:27,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527380251] [2019-11-28 10:03:27,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:27,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 10:03:27,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705285188] [2019-11-28 10:03:27,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 10:03:27,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:27,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 10:03:27,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 10:03:27,368 INFO L87 Difference]: Start difference. First operand 168 states and 175 transitions. Second operand 12 states. [2019-11-28 10:03:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:28,448 INFO L93 Difference]: Finished difference Result 179 states and 185 transitions. [2019-11-28 10:03:28,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 10:03:28,449 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-11-28 10:03:28,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:28,451 INFO L225 Difference]: With dead ends: 179 [2019-11-28 10:03:28,451 INFO L226 Difference]: Without dead ends: 179 [2019-11-28 10:03:28,452 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:03:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-28 10:03:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2019-11-28 10:03:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-28 10:03:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 174 transitions. [2019-11-28 10:03:28,459 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 174 transitions. Word has length 38 [2019-11-28 10:03:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:28,459 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 174 transitions. [2019-11-28 10:03:28,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 10:03:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 174 transitions. [2019-11-28 10:03:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 10:03:28,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:28,460 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:28,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 10:03:28,672 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:28,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:28,673 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385956, now seen corresponding path program 1 times [2019-11-28 10:03:28,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:28,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822658706] [2019-11-28 10:03:28,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:28,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 10:03:28,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:28,905 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:29,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822658706] [2019-11-28 10:03:29,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:29,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-28 10:03:29,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800696999] [2019-11-28 10:03:29,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 10:03:29,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:29,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 10:03:29,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-28 10:03:29,315 INFO L87 Difference]: Start difference. First operand 167 states and 174 transitions. Second operand 18 states. [2019-11-28 10:03:30,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:30,231 INFO L93 Difference]: Finished difference Result 179 states and 192 transitions. [2019-11-28 10:03:30,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:03:30,232 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-28 10:03:30,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:30,235 INFO L225 Difference]: With dead ends: 179 [2019-11-28 10:03:30,236 INFO L226 Difference]: Without dead ends: 175 [2019-11-28 10:03:30,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-28 10:03:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-28 10:03:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-28 10:03:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-28 10:03:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 182 transitions. [2019-11-28 10:03:30,248 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 182 transitions. Word has length 38 [2019-11-28 10:03:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:30,249 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 182 transitions. [2019-11-28 10:03:30,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 10:03:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 182 transitions. [2019-11-28 10:03:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 10:03:30,251 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:30,252 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:30,458 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-28 10:03:30,459 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:30,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1347385061, now seen corresponding path program 1 times [2019-11-28 10:03:30,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:30,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738850512] [2019-11-28 10:03:30,461 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 [2019-11-28 10:03:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:30,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 10:03:30,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:30,673 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:30,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738850512] [2019-11-28 10:03:30,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:30,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-28 10:03:30,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160669868] [2019-11-28 10:03:30,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 10:03:30,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:30,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 10:03:30,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 10:03:30,727 INFO L87 Difference]: Start difference. First operand 175 states and 182 transitions. Second operand 7 states. [2019-11-28 10:03:30,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:30,773 INFO L93 Difference]: Finished difference Result 184 states and 191 transitions. [2019-11-28 10:03:30,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 10:03:30,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-11-28 10:03:30,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:30,775 INFO L225 Difference]: With dead ends: 184 [2019-11-28 10:03:30,775 INFO L226 Difference]: Without dead ends: 184 [2019-11-28 10:03:30,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 10:03:30,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-28 10:03:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2019-11-28 10:03:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-28 10:03:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 187 transitions. [2019-11-28 10:03:30,788 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 187 transitions. Word has length 40 [2019-11-28 10:03:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:30,791 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 187 transitions. [2019-11-28 10:03:30,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 10:03:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 187 transitions. [2019-11-28 10:03:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 10:03:30,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:30,792 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:31,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-28 10:03:31,002 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:31,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1156201438, now seen corresponding path program 1 times [2019-11-28 10:03:31,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:31,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288053689] [2019-11-28 10:03:31,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:31,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 10:03:31,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:31,158 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:31,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288053689] [2019-11-28 10:03:31,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:31,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 10:03:31,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38412736] [2019-11-28 10:03:31,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 10:03:31,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:31,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 10:03:31,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 10:03:31,305 INFO L87 Difference]: Start difference. First operand 180 states and 187 transitions. Second operand 3 states. [2019-11-28 10:03:31,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:31,503 INFO L93 Difference]: Finished difference Result 191 states and 197 transitions. [2019-11-28 10:03:31,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 10:03:31,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-11-28 10:03:31,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:31,505 INFO L225 Difference]: With dead ends: 191 [2019-11-28 10:03:31,505 INFO L226 Difference]: Without dead ends: 165 [2019-11-28 10:03:31,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 10:03:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-28 10:03:31,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2019-11-28 10:03:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-28 10:03:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 163 transitions. [2019-11-28 10:03:31,512 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 163 transitions. Word has length 38 [2019-11-28 10:03:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:31,512 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 163 transitions. [2019-11-28 10:03:31,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 10:03:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 163 transitions. [2019-11-28 10:03:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 10:03:31,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:31,513 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:31,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-28 10:03:31,725 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:31,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:31,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1528032860, now seen corresponding path program 2 times [2019-11-28 10:03:31,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:31,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265392663] [2019-11-28 10:03:31,728 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:31,883 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:31,883 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:31,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:03:31,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:31,908 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:31,909 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:31,914 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:31,914 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:31,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 10:03:32,212 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-28 10:03:33,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265392663] [2019-11-28 10:03:33,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:33,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 10:03:33,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275906635] [2019-11-28 10:03:33,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 10:03:33,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:33,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 10:03:33,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 10:03:33,056 INFO L87 Difference]: Start difference. First operand 157 states and 163 transitions. Second operand 23 states. [2019-11-28 10:03:35,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:35,775 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2019-11-28 10:03:35,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 10:03:35,776 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-28 10:03:35,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:35,778 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:03:35,778 INFO L226 Difference]: Without dead ends: 156 [2019-11-28 10:03:35,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 10:03:35,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-28 10:03:35,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-11-28 10:03:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-28 10:03:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-28 10:03:35,784 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 46 [2019-11-28 10:03:35,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:35,784 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-28 10:03:35,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 10:03:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-28 10:03:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 10:03:35,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:35,786 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:35,996 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-28 10:03:35,996 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1472640772, now seen corresponding path program 1 times [2019-11-28 10:03:35,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:35,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625078202] [2019-11-28 10:03:35,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:36,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 10:03:36,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:36,354 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:37,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625078202] [2019-11-28 10:03:37,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:03:37,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-28 10:03:37,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645747228] [2019-11-28 10:03:37,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-28 10:03:37,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:37,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-28 10:03:37,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-28 10:03:37,282 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 34 states. [2019-11-28 10:03:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:37,998 INFO L93 Difference]: Finished difference Result 162 states and 168 transitions. [2019-11-28 10:03:37,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-28 10:03:38,000 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-28 10:03:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:38,001 INFO L225 Difference]: With dead ends: 162 [2019-11-28 10:03:38,001 INFO L226 Difference]: Without dead ends: 158 [2019-11-28 10:03:38,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-28 10:03:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-28 10:03:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-11-28 10:03:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 10:03:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 164 transitions. [2019-11-28 10:03:38,017 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 164 transitions. Word has length 51 [2019-11-28 10:03:38,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:38,017 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 164 transitions. [2019-11-28 10:03:38,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-28 10:03:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 164 transitions. [2019-11-28 10:03:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 10:03:38,018 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:38,018 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:38,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-28 10:03:38,223 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:38,224 INFO L82 PathProgramCache]: Analyzing trace with hash 680412260, now seen corresponding path program 2 times [2019-11-28 10:03:38,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:38,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681678787] [2019-11-28 10:03:38,228 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 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:38,370 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 10:03:38,370 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 10:03:38,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 10:03:38,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:38,382 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:38,382 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:38,386 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:38,386 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:38,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:38,545 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:38,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681678787] [2019-11-28 10:03:38,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:38,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11 [2019-11-28 10:03:38,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354140206] [2019-11-28 10:03:38,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 10:03:38,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:38,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 10:03:38,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 10:03:38,611 INFO L87 Difference]: Start difference. First operand 158 states and 164 transitions. Second operand 12 states. [2019-11-28 10:03:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:39,530 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2019-11-28 10:03:39,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 10:03:39,531 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2019-11-28 10:03:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:39,533 INFO L225 Difference]: With dead ends: 168 [2019-11-28 10:03:39,533 INFO L226 Difference]: Without dead ends: 168 [2019-11-28 10:03:39,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:03:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-28 10:03:39,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 156. [2019-11-28 10:03:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-28 10:03:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-28 10:03:39,538 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 53 [2019-11-28 10:03:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:39,538 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-28 10:03:39,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 10:03:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-28 10:03:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 10:03:39,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:39,539 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:39,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-28 10:03:39,746 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash 680412261, now seen corresponding path program 1 times [2019-11-28 10:03:39,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:39,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634423608] [2019-11-28 10:03:39,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:39,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:03:39,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:39,947 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:39,948 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:39,952 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:39,953 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:39,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:40,193 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:40,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634423608] [2019-11-28 10:03:40,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:40,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-28 10:03:40,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82833014] [2019-11-28 10:03:40,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-28 10:03:40,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:40,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-28 10:03:40,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-28 10:03:40,967 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 23 states. [2019-11-28 10:03:43,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:43,886 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2019-11-28 10:03:43,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 10:03:43,887 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-28 10:03:43,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:43,888 INFO L225 Difference]: With dead ends: 154 [2019-11-28 10:03:43,888 INFO L226 Difference]: Without dead ends: 154 [2019-11-28 10:03:43,889 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-28 10:03:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-28 10:03:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-28 10:03:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-28 10:03:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-28 10:03:43,894 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 53 [2019-11-28 10:03:43,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:43,895 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-28 10:03:43,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-28 10:03:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-28 10:03:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 10:03:43,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:43,896 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:44,107 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,107 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:44,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:44,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2141011139, now seen corresponding path program 1 times [2019-11-28 10:03:44,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:44,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610210791] [2019-11-28 10:03:44,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:44,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 10:03:44,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:44,338 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:44,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610210791] [2019-11-28 10:03:44,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:44,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-28 10:03:44,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556177174] [2019-11-28 10:03:44,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 10:03:44,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:44,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 10:03:44,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 10:03:44,468 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 8 states. [2019-11-28 10:03:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:44,516 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-11-28 10:03:44,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 10:03:44,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-28 10:03:44,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:44,519 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:03:44,519 INFO L226 Difference]: Without dead ends: 154 [2019-11-28 10:03:44,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 10:03:44,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-28 10:03:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-28 10:03:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-28 10:03:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2019-11-28 10:03:44,524 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 58 [2019-11-28 10:03:44,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:44,525 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2019-11-28 10:03:44,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 10:03:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2019-11-28 10:03:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-28 10:03:44,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:44,526 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:44,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,730 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:44,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1283825080, now seen corresponding path program 1 times [2019-11-28 10:03:44,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:44,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710887206] [2019-11-28 10:03:44,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:44,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 10:03:44,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:44,970 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:45,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:03:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:45,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710887206] [2019-11-28 10:03:45,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:45,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-28 10:03:45,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955179558] [2019-11-28 10:03:45,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 10:03:45,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:45,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 10:03:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:03:45,211 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 11 states. [2019-11-28 10:03:45,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:45,310 INFO L93 Difference]: Finished difference Result 158 states and 162 transitions. [2019-11-28 10:03:45,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 10:03:45,310 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2019-11-28 10:03:45,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:45,311 INFO L225 Difference]: With dead ends: 158 [2019-11-28 10:03:45,311 INFO L226 Difference]: Without dead ends: 154 [2019-11-28 10:03:45,312 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:03:45,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-28 10:03:45,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-28 10:03:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-28 10:03:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2019-11-28 10:03:45,321 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 63 [2019-11-28 10:03:45,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:45,321 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2019-11-28 10:03:45,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 10:03:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2019-11-28 10:03:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-28 10:03:45,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:45,322 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:45,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-11-28 10:03:45,542 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:45,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000591, now seen corresponding path program 1 times [2019-11-28 10:03:45,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:45,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144183373] [2019-11-28 10:03:45,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:45,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 10:03:45,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:45,804 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:45,805 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:45,806 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:45,807 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:45,807 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:46,027 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:46,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144183373] [2019-11-28 10:03:46,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:46,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 16 [2019-11-28 10:03:46,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528012151] [2019-11-28 10:03:46,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 10:03:46,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:46,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 10:03:46,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-28 10:03:46,220 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 17 states. [2019-11-28 10:03:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:47,696 INFO L93 Difference]: Finished difference Result 164 states and 167 transitions. [2019-11-28 10:03:47,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 10:03:47,697 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 74 [2019-11-28 10:03:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:47,698 INFO L225 Difference]: With dead ends: 164 [2019-11-28 10:03:47,699 INFO L226 Difference]: Without dead ends: 164 [2019-11-28 10:03:47,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2019-11-28 10:03:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-28 10:03:47,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-28 10:03:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 10:03:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-28 10:03:47,713 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 74 [2019-11-28 10:03:47,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:47,713 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-28 10:03:47,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 10:03:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-28 10:03:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-28 10:03:47,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:47,716 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:47,932 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2019-11-28 10:03:47,932 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:47,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000592, now seen corresponding path program 1 times [2019-11-28 10:03:47,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:47,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108440143] [2019-11-28 10:03:47,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:48,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-28 10:03:48,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:48,240 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:48,240 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:48,246 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:48,247 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:48,247 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:48,750 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:50,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108440143] [2019-11-28 10:03:50,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:50,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 16] imperfect sequences [] total 32 [2019-11-28 10:03:50,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998713089] [2019-11-28 10:03:50,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-11-28 10:03:50,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-11-28 10:03:50,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=965, Unknown=0, NotChecked=0, Total=1056 [2019-11-28 10:03:50,508 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 33 states. [2019-11-28 10:03:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:54,727 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2019-11-28 10:03:54,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:03:54,728 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 74 [2019-11-28 10:03:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:54,729 INFO L225 Difference]: With dead ends: 150 [2019-11-28 10:03:54,729 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:54,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=132, Invalid=1350, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 10:03:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 10:03:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 10:03:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-28 10:03:54,734 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 74 [2019-11-28 10:03:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:54,735 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-28 10:03:54,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-11-28 10:03:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-28 10:03:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-28 10:03:54,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:54,737 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:54,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2019-11-28 10:03:54,949 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:54,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:54,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1519816277, now seen corresponding path program 1 times [2019-11-28 10:03:54,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:54,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494979263] [2019-11-28 10:03:54,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:55,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 10:03:55,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:55,279 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:55,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:03:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:55,503 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494979263] [2019-11-28 10:03:55,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:55,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 14 [2019-11-28 10:03:55,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612016038] [2019-11-28 10:03:55,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 10:03:55,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:55,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 10:03:55,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-28 10:03:55,505 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 14 states. [2019-11-28 10:03:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:55,646 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2019-11-28 10:03:55,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 10:03:55,646 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2019-11-28 10:03:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:55,648 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:03:55,648 INFO L226 Difference]: Without dead ends: 150 [2019-11-28 10:03:55,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-11-28 10:03:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-28 10:03:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-28 10:03:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 10:03:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2019-11-28 10:03:55,652 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 85 [2019-11-28 10:03:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:55,653 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2019-11-28 10:03:55,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 10:03:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2019-11-28 10:03:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-28 10:03:55,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:55,654 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:55,865 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2019-11-28 10:03:55,866 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:55,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797402, now seen corresponding path program 1 times [2019-11-28 10:03:55,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:55,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237491550] [2019-11-28 10:03:55,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:56,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 10:03:56,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:56,134 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:56,134 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:56,136 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:56,136 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:56,136 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:56,404 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:56,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237491550] [2019-11-28 10:03:56,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:56,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 16 [2019-11-28 10:03:56,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521831165] [2019-11-28 10:03:56,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 10:03:56,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:56,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 10:03:56,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-28 10:03:56,630 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand 17 states. [2019-11-28 10:03:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:58,115 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2019-11-28 10:03:58,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:03:58,116 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 98 [2019-11-28 10:03:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:58,118 INFO L225 Difference]: With dead ends: 164 [2019-11-28 10:03:58,118 INFO L226 Difference]: Without dead ends: 164 [2019-11-28 10:03:58,119 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 173 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2019-11-28 10:03:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-28 10:03:58,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2019-11-28 10:03:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 10:03:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 151 transitions. [2019-11-28 10:03:58,124 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 151 transitions. Word has length 98 [2019-11-28 10:03:58,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:58,124 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 151 transitions. [2019-11-28 10:03:58,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 10:03:58,125 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 151 transitions. [2019-11-28 10:03:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-28 10:03:58,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:58,126 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:58,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,337 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797403, now seen corresponding path program 1 times [2019-11-28 10:03:58,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:58,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745271053] [2019-11-28 10:03:58,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:58,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-28 10:03:58,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:58,618 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:03:58,618 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:58,625 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:58,625 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:58,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:03:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:03:59,067 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:00,774 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:00,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745271053] [2019-11-28 10:04:00,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:00,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 16] imperfect sequences [] total 32 [2019-11-28 10:04:00,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283136115] [2019-11-28 10:04:00,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-11-28 10:04:00,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:00,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-11-28 10:04:00,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=965, Unknown=0, NotChecked=0, Total=1056 [2019-11-28 10:04:00,776 INFO L87 Difference]: Start difference. First operand 148 states and 151 transitions. Second operand 33 states. [2019-11-28 10:04:04,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:04,687 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2019-11-28 10:04:04,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 10:04:04,690 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 98 [2019-11-28 10:04:04,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:04,691 INFO L225 Difference]: With dead ends: 146 [2019-11-28 10:04:04,691 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:04:04,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 158 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=132, Invalid=1350, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 10:04:04,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:04:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-28 10:04:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 10:04:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-28 10:04:04,697 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 98 [2019-11-28 10:04:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:04,697 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-28 10:04:04,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-11-28 10:04:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-28 10:04:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-28 10:04:04,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:04,699 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:04,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3 [2019-11-28 10:04:04,910 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash -797927977, now seen corresponding path program 1 times [2019-11-28 10:04:04,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:04,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000375992] [2019-11-28 10:04:04,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:05,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 10:04:05,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:05,243 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:05,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000375992] [2019-11-28 10:04:05,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:05,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-28 10:04:05,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012855411] [2019-11-28 10:04:05,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 10:04:05,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 10:04:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 10:04:05,514 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 11 states. [2019-11-28 10:04:05,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:05,601 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2019-11-28 10:04:05,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:04:05,601 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2019-11-28 10:04:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:05,602 INFO L225 Difference]: With dead ends: 148 [2019-11-28 10:04:05,602 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 10:04:05,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-28 10:04:05,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 10:04:05,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-28 10:04:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 10:04:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2019-11-28 10:04:05,606 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 96 [2019-11-28 10:04:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:05,606 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2019-11-28 10:04:05,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 10:04:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2019-11-28 10:04:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-28 10:04:05,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:05,607 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:05,809 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 mathsat -unsat_core_generation=3 [2019-11-28 10:04:05,810 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:05,810 INFO L82 PathProgramCache]: Analyzing trace with hash 693754465, now seen corresponding path program 1 times [2019-11-28 10:04:05,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:05,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444036057] [2019-11-28 10:04:05,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:06,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-28 10:04:06,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:06,111 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:04:06,112 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:06,114 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:06,114 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:06,114 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:04:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:06,577 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:06,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444036057] [2019-11-28 10:04:06,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:06,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-28 10:04:06,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800385880] [2019-11-28 10:04:06,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-28 10:04:06,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-28 10:04:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-28 10:04:06,820 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand 21 states. [2019-11-28 10:04:08,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:08,499 INFO L93 Difference]: Finished difference Result 156 states and 157 transitions. [2019-11-28 10:04:08,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:08,500 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 111 [2019-11-28 10:04:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:08,501 INFO L225 Difference]: With dead ends: 156 [2019-11-28 10:04:08,501 INFO L226 Difference]: Without dead ends: 156 [2019-11-28 10:04:08,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 191 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-28 10:04:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-28 10:04:08,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 144. [2019-11-28 10:04:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 10:04:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2019-11-28 10:04:08,506 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 111 [2019-11-28 10:04:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:08,507 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2019-11-28 10:04:08,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-28 10:04:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2019-11-28 10:04:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-28 10:04:08,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:08,508 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:08,711 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 mathsat -unsat_core_generation=3 [2019-11-28 10:04:08,711 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:08,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:08,712 INFO L82 PathProgramCache]: Analyzing trace with hash 693754466, now seen corresponding path program 1 times [2019-11-28 10:04:08,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:08,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971225769] [2019-11-28 10:04:08,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:09,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 46 conjunts are in the unsatisfiable core [2019-11-28 10:04:09,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:09,040 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:04:09,040 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:09,046 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:09,046 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:09,047 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 10:04:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:09,676 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:12,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971225769] [2019-11-28 10:04:12,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:12,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 40 [2019-11-28 10:04:12,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550903153] [2019-11-28 10:04:12,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-11-28 10:04:12,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:12,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-11-28 10:04:12,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1525, Unknown=0, NotChecked=0, Total=1640 [2019-11-28 10:04:12,113 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 41 states. [2019-11-28 10:04:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:17,220 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2019-11-28 10:04:17,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:17,222 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 111 [2019-11-28 10:04:17,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:17,223 INFO L225 Difference]: With dead ends: 142 [2019-11-28 10:04:17,223 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 10:04:17,224 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 174 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=170, Invalid=2182, Unknown=0, NotChecked=0, Total=2352 [2019-11-28 10:04:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 10:04:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-28 10:04:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 10:04:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-28 10:04:17,227 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 111 [2019-11-28 10:04:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:17,228 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-28 10:04:17,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-11-28 10:04:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-28 10:04:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-28 10:04:17,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:17,229 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:17,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2019-11-28 10:04:17,431 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:17,431 INFO L82 PathProgramCache]: Analyzing trace with hash 256905644, now seen corresponding path program 1 times [2019-11-28 10:04:17,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:17,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633090229] [2019-11-28 10:04:17,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 27 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:17,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 10:04:17,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:18,591 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:19,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633090229] [2019-11-28 10:04:19,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:04:19,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 19] imperfect sequences [] total 39 [2019-11-28 10:04:19,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463029660] [2019-11-28 10:04:19,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-28 10:04:19,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:04:19,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-28 10:04:19,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1410, Unknown=0, NotChecked=0, Total=1560 [2019-11-28 10:04:19,567 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 40 states. [2019-11-28 10:04:22,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:04:22,106 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2019-11-28 10:04:22,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 10:04:22,107 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 114 [2019-11-28 10:04:22,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:04:22,108 INFO L225 Difference]: With dead ends: 141 [2019-11-28 10:04:22,108 INFO L226 Difference]: Without dead ends: 141 [2019-11-28 10:04:22,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 182 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=206, Invalid=1956, Unknown=0, NotChecked=0, Total=2162 [2019-11-28 10:04:22,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-28 10:04:22,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-11-28 10:04:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-28 10:04:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 143 transitions. [2019-11-28 10:04:22,112 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 143 transitions. Word has length 114 [2019-11-28 10:04:22,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:04:22,113 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 143 transitions. [2019-11-28 10:04:22,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-28 10:04:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2019-11-28 10:04:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-28 10:04:22,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:04:22,114 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:04:22,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 mathsat -unsat_core_generation=3 [2019-11-28 10:04:22,318 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:04:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:04:22,325 INFO L82 PathProgramCache]: Analyzing trace with hash -155348315, now seen corresponding path program 1 times [2019-11-28 10:04:22,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:04:22,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714681729] [2019-11-28 10:04:22,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2019-11-28 10:04:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:04:22,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 93 conjunts are in the unsatisfiable core [2019-11-28 10:04:22,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:04:22,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:22,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:22,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:22,803 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:22,803 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:22,869 INFO L343 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2019-11-28 10:04:22,870 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2019-11-28 10:04:22,870 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:22,885 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:22,886 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:22,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:36 [2019-11-28 10:04:23,086 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:23,091 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:23,091 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:23,091 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:22 [2019-11-28 10:04:24,580 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 8))) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (bvadd |c_LDV_INIT_LIST_HEAD_#in~list.offset| (_ bv4 32)))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) |c_LDV_INIT_LIST_HEAD_#in~list.offset| v_DerPreprocessor_1) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0)))) |c_#memory_int|)) is different from true [2019-11-28 10:04:24,773 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2019-11-28 10:04:24,774 INFO L343 Elim1Store]: treesize reduction 360, result has 11.3 percent of original size [2019-11-28 10:04:24,775 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 59 [2019-11-28 10:04:24,775 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:24,801 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:24,802 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:24,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:40 [2019-11-28 10:04:26,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,492 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:26,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,494 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:26,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:04:26,497 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:26,499 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:26,511 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:26,511 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 192 treesize of output 164 [2019-11-28 10:04:26,514 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:26,547 INFO L588 ElimStorePlain]: treesize reduction 78, result has 47.3 percent of original size [2019-11-28 10:04:26,548 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:26,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:70 [2019-11-28 10:04:28,186 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:28,186 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 60 [2019-11-28 10:04:28,187 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:28,189 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:28,189 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:28,189 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:92, output treesize:47 [2019-11-28 10:04:28,335 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-28 10:04:28,335 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:04:34,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:04:34,067 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 516 treesize of output 406 [2019-11-28 10:04:34,073 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,074 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,074 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,075 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,076 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,076 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,084 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,084 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,085 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,086 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,086 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,087 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,093 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,093 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,094 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,094 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,095 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,095 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:04:34,098 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 45 [2019-11-28 10:04:34,100 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:04:34,101 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:34,101 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:04:34,127 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:04:34,128 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 10:04:34,128 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:1246, output treesize:730 [2019-11-28 10:04:37,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 mathsat -unsat_core_generation=3 [2019-11-28 10:04:37,057 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 10:04:37,064 INFO L168 Benchmark]: Toolchain (without parser) took 78494.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 536.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 426.3 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:37,064 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:04:37,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:37,065 INFO L168 Benchmark]: Boogie Preprocessor took 111.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:04:37,065 INFO L168 Benchmark]: RCFGBuilder took 1626.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.3 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:37,066 INFO L168 Benchmark]: TraceAbstraction took 75812.64 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. [2019-11-28 10:04:37,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 937.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1626.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.3 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75812.64 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...