./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version de1bb103 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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................ 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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-de1bb10 [2019-11-27 13:22:08,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 13:22:08,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 13:22:08,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 13:22:08,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 13:22:08,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 13:22:08,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 13:22:08,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 13:22:08,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 13:22:08,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 13:22:08,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 13:22:08,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 13:22:08,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 13:22:08,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 13:22:08,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 13:22:08,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 13:22:08,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 13:22:08,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 13:22:08,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 13:22:08,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 13:22:08,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 13:22:08,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 13:22:08,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 13:22:08,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 13:22:08,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 13:22:08,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 13:22:08,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 13:22:08,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 13:22:08,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 13:22:08,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 13:22:08,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 13:22:08,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 13:22:08,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 13:22:08,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 13:22:08,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 13:22:08,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 13:22:08,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 13:22:08,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 13:22:08,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 13:22:08,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 13:22:08,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 13:22:08,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 13:22:08,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 13:22:08,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 13:22:08,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 13:22:08,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 13:22:08,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 13:22:08,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 13:22:08,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 13:22:08,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 13:22:08,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 13:22:08,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 13:22:08,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 13:22:08,396 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 13:22:08,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 13:22:08,397 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 13:22:08,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 13:22:08,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 13:22:08,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 13:22:08,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 13:22:08,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 13:22:08,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 13:22:08,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 13:22:08,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 13:22:08,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 13:22:08,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 13:22:08,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 13:22:08,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 13:22:08,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 13:22:08,401 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-27 13:22:08,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 13:22:08,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 13:22:08,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 13:22:08,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 13:22:08,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 13:22:08,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-27 13:22:08,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c041ad584/8b85fef9d24f48ee9f45c57fd98cf934/FLAGe8b56c6d6 [2019-11-27 13:22:09,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 13:22:09,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-27 13:22:09,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c041ad584/8b85fef9d24f48ee9f45c57fd98cf934/FLAGe8b56c6d6 [2019-11-27 13:22:09,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c041ad584/8b85fef9d24f48ee9f45c57fd98cf934 [2019-11-27 13:22:09,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 13:22:09,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 13:22:09,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 13:22:09,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 13:22:09,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 13:22:09,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 01:22:09" (1/1) ... [2019-11-27 13:22:09,759 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 27.11 01:22:09, skipping insertion in model container [2019-11-27 13:22:09,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 01:22:09" (1/1) ... [2019-11-27 13:22:09,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 13:22:09,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 13:22:10,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 13:22:10,384 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) [2019-11-27 13:22:10,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@249bf7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:10, skipping insertion in model container [2019-11-27 13:22:10,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 13:22:10,386 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 13:22:10,390 INFO L168 Benchmark]: Toolchain (without parser) took 638.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-27 13:22:10,391 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 13:22:10,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-11-27 13:22:10,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 634.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 15.5 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-de1bb10 [2019-11-27 13:22:12,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 13:22:12,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 13:22:12,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 13:22:12,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 13:22:12,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 13:22:12,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 13:22:12,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 13:22:12,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 13:22:12,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 13:22:12,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 13:22:12,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 13:22:12,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 13:22:12,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 13:22:12,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 13:22:12,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 13:22:12,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 13:22:12,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 13:22:12,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 13:22:12,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 13:22:12,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 13:22:12,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 13:22:12,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 13:22:12,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 13:22:12,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 13:22:12,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 13:22:12,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 13:22:12,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 13:22:12,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 13:22:12,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 13:22:12,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 13:22:12,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 13:22:12,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 13:22:12,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 13:22:12,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 13:22:12,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 13:22:12,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 13:22:12,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 13:22:12,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 13:22:12,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 13:22:12,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 13:22:12,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 13:22:12,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 13:22:12,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 13:22:12,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 13:22:12,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 13:22:12,271 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 13:22:12,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 13:22:12,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 13:22:12,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 13:22:12,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 13:22:12,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 13:22:12,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 13:22:12,272 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 13:22:12,272 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 13:22:12,272 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 13:22:12,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 13:22:12,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 13:22:12,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 13:22:12,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 13:22:12,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 13:22:12,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 13:22:12,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 13:22:12,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 13:22:12,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 13:22:12,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 13:22:12,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 13:22:12,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 13:22:12,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 13:22:12,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 13:22:12,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 13:22:12,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 13:22:12,276 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-11-27 13:22:12,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 13:22:12,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 13:22:12,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 13:22:12,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 13:22:12,604 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 13:22:12,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-27 13:22:12,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5c50bb0/eaf74f30db4a4204b6b74c9f20fefa43/FLAGfa3b3977f [2019-11-27 13:22:13,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 13:22:13,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-27 13:22:13,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5c50bb0/eaf74f30db4a4204b6b74c9f20fefa43/FLAGfa3b3977f [2019-11-27 13:22:13,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5c50bb0/eaf74f30db4a4204b6b74c9f20fefa43 [2019-11-27 13:22:13,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 13:22:13,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 13:22:13,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 13:22:13,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 13:22:13,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 13:22:13,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 01:22:13" (1/1) ... [2019-11-27 13:22:13,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0558fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:13, skipping insertion in model container [2019-11-27 13:22:13,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 01:22:13" (1/1) ... [2019-11-27 13:22:13,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 13:22:13,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 13:22:14,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 13:22:14,137 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 13:22:14,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 13:22:14,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 13:22:14,245 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 13:22:14,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 13:22:14,427 INFO L208 MainTranslator]: Completed translation [2019-11-27 13:22:14,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14 WrapperNode [2019-11-27 13:22:14,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 13:22:14,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 13:22:14,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 13:22:14,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 13:22:14,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (1/1) ... [2019-11-27 13:22:14,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 13:22:14,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 13:22:14,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 13:22:14,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 13:22:14,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (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 [2019-11-27 13:22:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-27 13:22:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 13:22:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 13:22:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 13:22:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-27 13:22:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-27 13:22:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-27 13:22:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-27 13:22:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-27 13:22:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-27 13:22:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-27 13:22:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-27 13:22:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-27 13:22:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-27 13:22:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-27 13:22:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-27 13:22:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-27 13:22:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-27 13:22:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-27 13:22:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-27 13:22:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-27 13:22:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-27 13:22:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-27 13:22:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-27 13:22:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-27 13:22:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-27 13:22:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-27 13:22:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-27 13:22:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-27 13:22:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-27 13:22:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-27 13:22:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-27 13:22:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-27 13:22:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-27 13:22:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-27 13:22:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-27 13:22:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-27 13:22:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-27 13:22:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-27 13:22:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-27 13:22:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-27 13:22:14,606 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-27 13:22:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-27 13:22:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-27 13:22:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-27 13:22:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-27 13:22:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-27 13:22:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-27 13:22:14,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-27 13:22:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-27 13:22:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-27 13:22:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-27 13:22:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-27 13:22:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-27 13:22:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-27 13:22:14,609 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-27 13:22:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-27 13:22:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-27 13:22:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-27 13:22:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-27 13:22:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-27 13:22:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-27 13:22:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-27 13:22:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-27 13:22:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-27 13:22:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-27 13:22:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-27 13:22:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-27 13:22:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-27 13:22:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-27 13:22:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-27 13:22:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-27 13:22:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-27 13:22:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-27 13:22:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-27 13:22:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-27 13:22:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-27 13:22:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-27 13:22:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-27 13:22:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-27 13:22:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-27 13:22:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-27 13:22:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-27 13:22:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-27 13:22:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-27 13:22:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-27 13:22:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-27 13:22:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-27 13:22:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-27 13:22:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-27 13:22:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-27 13:22:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-27 13:22:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-27 13:22:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-27 13:22:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-27 13:22:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-27 13:22:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-27 13:22:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-27 13:22:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-27 13:22:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-27 13:22:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-27 13:22:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-27 13:22:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-27 13:22:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-27 13:22:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-27 13:22:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-27 13:22:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-27 13:22:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-27 13:22:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-27 13:22:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-27 13:22:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-27 13:22:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-27 13:22:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-27 13:22:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-27 13:22:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-27 13:22:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-27 13:22:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-27 13:22:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-27 13:22:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-27 13:22:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-27 13:22:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-27 13:22:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-27 13:22:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-27 13:22:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-27 13:22:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-27 13:22:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-27 13:22:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-27 13:22:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-27 13:22:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-27 13:22:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-27 13:22:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-27 13:22:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-27 13:22:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-27 13:22:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-27 13:22:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-27 13:22:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-27 13:22:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-27 13:22:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-27 13:22:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-27 13:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-27 13:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-27 13:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-27 13:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-27 13:22:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-27 13:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-27 13:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-27 13:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-27 13:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-27 13:22:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-27 13:22:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-27 13:22:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-27 13:22:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-27 13:22:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-27 13:22:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-27 13:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-27 13:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-27 13:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-27 13:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-27 13:22:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-27 13:22:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-27 13:22:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-27 13:22:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-27 13:22:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-27 13:22:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 13:22:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-27 13:22:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-27 13:22:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-27 13:22:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-27 13:22:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-27 13:22:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-27 13:22:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-27 13:22:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-27 13:22:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-27 13:22:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-27 13:22:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-27 13:22:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-27 13:22:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-27 13:22:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-27 13:22:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 13:22:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-27 13:22:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-27 13:22:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-27 13:22:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-27 13:22:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-27 13:22:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 13:22:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 13:22:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-27 13:22:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-27 13:22:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 13:22:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-27 13:22:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-27 13:22:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-27 13:22:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-27 13:22:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-27 13:22:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-27 13:22:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-27 13:22:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-27 13:22:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-27 13:22:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-27 13:22:14,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-27 13:22:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-27 13:22:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-27 13:22:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-27 13:22:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-27 13:22:14,640 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-27 13:22:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-27 13:22:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-27 13:22:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-27 13:22:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 13:22:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-27 13:22:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 13:22:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 13:22:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-27 13:22:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-27 13:22:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-27 13:22:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-27 13:22:15,312 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 13:22:15,722 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 13:22:16,138 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 13:22:16,139 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-27 13:22:16,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 01:22:16 BoogieIcfgContainer [2019-11-27 13:22:16,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 13:22:16,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 13:22:16,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 13:22:16,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 13:22:16,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 01:22:13" (1/3) ... [2019-11-27 13:22:16,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d0ce99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 01:22:16, skipping insertion in model container [2019-11-27 13:22:16,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 01:22:14" (2/3) ... [2019-11-27 13:22:16,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d0ce99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 01:22:16, skipping insertion in model container [2019-11-27 13:22:16,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 01:22:16" (3/3) ... [2019-11-27 13:22:16,153 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-27 13:22:16,164 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 13:22:16,175 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-27 13:22:16,189 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-27 13:22:16,217 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 13:22:16,218 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-27 13:22:16,218 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 13:22:16,218 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 13:22:16,218 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 13:22:16,219 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 13:22:16,220 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 13:22:16,220 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 13:22:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-27 13:22:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-27 13:22:16,264 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:16,265 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 13:22:16,266 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:16,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:16,273 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-27 13:22:16,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:16,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546962411] [2019-11-27 13:22:16,288 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 [2019-11-27 13:22:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:16,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-27 13:22:16,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:16,616 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:16,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546962411] [2019-11-27 13:22:16,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:16,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-27 13:22:16,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958181186] [2019-11-27 13:22:16,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 13:22:16,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:16,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 13:22:16,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-27 13:22:16,758 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-27 13:22:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:16,918 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-27 13:22:16,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-27 13:22:16,921 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-27 13:22:16,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:16,939 INFO L225 Difference]: With dead ends: 49 [2019-11-27 13:22:16,939 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 13:22:16,942 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-27 13:22:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 13:22:16,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-27 13:22:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-27 13:22:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-27 13:22:16,998 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-27 13:22:16,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:16,999 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-27 13:22:16,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 13:22:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-27 13:22:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-27 13:22:17,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:17,001 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] [2019-11-27 13:22:17,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 13:22:17,217 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:17,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:17,218 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-27 13:22:17,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:17,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126348776] [2019-11-27 13:22:17,222 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 [2019-11-27 13:22:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:17,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 13:22:17,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:17,469 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:17,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126348776] [2019-11-27 13:22:17,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:17,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 13:22:17,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841664944] [2019-11-27 13:22:17,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 13:22:17,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:17,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 13:22:17,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 13:22:17,598 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-27 13:22:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:17,680 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-27 13:22:17,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 13:22:17,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-27 13:22:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:17,685 INFO L225 Difference]: With dead ends: 54 [2019-11-27 13:22:17,685 INFO L226 Difference]: Without dead ends: 43 [2019-11-27 13:22:17,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 13:22:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-27 13:22:17,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-27 13:22:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-27 13:22:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-27 13:22:17,717 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-27 13:22:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:17,718 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-27 13:22:17,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 13:22:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-27 13:22:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-27 13:22:17,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:17,720 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] [2019-11-27 13:22:17,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 13:22:17,934 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:17,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:17,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-27 13:22:17,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:17,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851659372] [2019-11-27 13:22:17,937 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 [2019-11-27 13:22:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:18,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-27 13:22:18,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:18,195 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:18,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851659372] [2019-11-27 13:22:18,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:18,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-27 13:22:18,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040587707] [2019-11-27 13:22:18,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 13:22:18,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:18,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 13:22:18,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-27 13:22:18,328 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-27 13:22:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:18,408 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-27 13:22:18,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 13:22:18,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-27 13:22:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:18,411 INFO L225 Difference]: With dead ends: 42 [2019-11-27 13:22:18,411 INFO L226 Difference]: Without dead ends: 42 [2019-11-27 13:22:18,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-27 13:22:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-27 13:22:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-27 13:22:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-27 13:22:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-27 13:22:18,427 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-27 13:22:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:18,428 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-27 13:22:18,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 13:22:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-27 13:22:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-27 13:22:18,430 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:18,430 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] [2019-11-27 13:22:18,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 13:22:18,643 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:18,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:18,644 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-27 13:22:18,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:18,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174665508] [2019-11-27 13:22:18,645 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 [2019-11-27 13:22:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:18,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-27 13:22:18,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:18,996 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:19,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174665508] [2019-11-27 13:22:19,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:19,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-27 13:22:19,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614792797] [2019-11-27 13:22:19,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-27 13:22:19,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:19,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-27 13:22:19,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-27 13:22:19,381 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-27 13:22:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:19,871 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-27 13:22:19,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-27 13:22:19,876 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-27 13:22:19,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:19,877 INFO L225 Difference]: With dead ends: 53 [2019-11-27 13:22:19,877 INFO L226 Difference]: Without dead ends: 51 [2019-11-27 13:22:19,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-27 13:22:19,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-27 13:22:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-27 13:22:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 13:22:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-27 13:22:19,890 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2019-11-27 13:22:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:19,890 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-27 13:22:19,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-27 13:22:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-27 13:22:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-27 13:22:19,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:19,892 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] [2019-11-27 13:22:20,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 13:22:20,094 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:20,095 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-27 13:22:20,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:20,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945443021] [2019-11-27 13:22:20,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 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 [2019-11-27 13:22:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:20,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-27 13:22:20,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:20,260 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 [2019-11-27 13:22:20,260 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 13:22:20,265 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 13:22:20,265 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 13:22:20,266 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-27 13:22:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:20,338 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:20,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945443021] [2019-11-27 13:22:20,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:20,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-27 13:22:20,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959281756] [2019-11-27 13:22:20,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 13:22:20,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:20,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 13:22:20,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-27 13:22:20,457 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-27 13:22:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:20,636 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-27 13:22:20,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 13:22:20,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-27 13:22:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:20,639 INFO L225 Difference]: With dead ends: 50 [2019-11-27 13:22:20,639 INFO L226 Difference]: Without dead ends: 50 [2019-11-27 13:22:20,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-27 13:22:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-27 13:22:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2019-11-27 13:22:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 13:22:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-27 13:22:20,646 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2019-11-27 13:22:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:20,646 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-27 13:22:20,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 13:22:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-27 13:22:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-27 13:22:20,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:20,648 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] [2019-11-27 13:22:20,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-27 13:22:20,860 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:20,861 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-27 13:22:20,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:20,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665180562] [2019-11-27 13:22:20,862 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 [2019-11-27 13:22:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:20,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-27 13:22:20,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:21,054 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:21,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665180562] [2019-11-27 13:22:21,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:21,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-27 13:22:21,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132567158] [2019-11-27 13:22:21,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 13:22:21,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:21,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 13:22:21,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-27 13:22:21,123 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-27 13:22:21,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:21,202 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-27 13:22:21,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 13:22:21,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-27 13:22:21,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:21,204 INFO L225 Difference]: With dead ends: 47 [2019-11-27 13:22:21,204 INFO L226 Difference]: Without dead ends: 47 [2019-11-27 13:22:21,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-27 13:22:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-27 13:22:21,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-27 13:22:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-27 13:22:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-27 13:22:21,210 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-27 13:22:21,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:21,211 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-27 13:22:21,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 13:22:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-27 13:22:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-27 13:22:21,212 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:21,212 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] [2019-11-27 13:22:21,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-27 13:22:21,429 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:21,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-27 13:22:21,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:21,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530285729] [2019-11-27 13:22:21,430 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 [2019-11-27 13:22:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:21,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-27 13:22:21,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:21,631 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:21,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530285729] [2019-11-27 13:22:21,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 13:22:21,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-27 13:22:21,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997876835] [2019-11-27 13:22:21,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 13:22:21,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 13:22:21,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 13:22:21,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-27 13:22:21,826 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-27 13:22:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 13:22:21,913 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-27 13:22:21,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 13:22:21,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-27 13:22:21,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 13:22:21,915 INFO L225 Difference]: With dead ends: 47 [2019-11-27 13:22:21,915 INFO L226 Difference]: Without dead ends: 45 [2019-11-27 13:22:21,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-27 13:22:21,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-27 13:22:21,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-27 13:22:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-27 13:22:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-27 13:22:21,919 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-27 13:22:21,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 13:22:21,920 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-27 13:22:21,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 13:22:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-27 13:22:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-27 13:22:21,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 13:22:21,921 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] [2019-11-27 13:22:22,138 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-27 13:22:22,139 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 13:22:22,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 13:22:22,140 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-27 13:22:22,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 13:22:22,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743533027] [2019-11-27 13:22:22,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-27 13:22:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 13:22:22,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-27 13:22:22,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 13:22:22,316 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 13:22:22,316 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-27 13:22:22,317 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 13:22:22,338 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-27 13:22:22,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 13:22:22,348 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 13:22:22,348 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-27 13:22:22,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 13:22:22,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 13:22:22,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 13:22:22,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 13:22:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 13:22:30,703 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 13:22:37,178 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-27 13:22:37,180 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 13:22:37,187 INFO L168 Benchmark]: Toolchain (without parser) took 23674.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -266.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-11-27 13:22:37,188 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 13:22:37,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 916.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-27 13:22:37,189 INFO L168 Benchmark]: Boogie Preprocessor took 103.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 13:22:37,190 INFO L168 Benchmark]: RCFGBuilder took 1606.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2019-11-27 13:22:37,191 INFO L168 Benchmark]: TraceAbstraction took 21042.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 976.0 MB in the beginning and 1.2 GB in the end (delta: -247.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 13:22:37,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 916.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.99 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 1606.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21042.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 976.0 MB in the beginning and 1.2 GB in the end (delta: -247.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...