./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................. 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_test1-2.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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:10:33,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:10:33,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:10:33,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:10:33,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:10:33,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:10:33,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:10:33,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:10:33,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:10:33,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:10:33,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:10:33,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:10:33,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:10:33,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:10:33,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:10:33,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:10:33,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:10:33,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:10:33,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:10:33,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:10:33,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:10:33,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:10:33,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:10:33,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:10:33,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:10:33,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:10:33,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:10:33,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:10:33,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:10:33,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:10:33,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:10:33,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:10:33,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:10:33,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:10:33,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:10:33,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:10:33,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:10:33,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:10:33,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:10:33,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:10:33,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:10:33,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:10:33,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:10:33,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:10:33,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:10:33,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:10:33,456 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:10:33,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:10:33,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:10:33,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:10:33,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:10:33,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:10:33,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:10:33,457 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:10:33,457 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:10:33,458 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:10:33,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:10:33,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:10:33,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:10:33,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:10:33,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:10:33,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:10:33,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:10:33,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:10:33,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:10:33,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:10:33,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:10:33,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:10:33,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:10:33,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:10:33,461 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-11-28 20:10:33,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:10:33,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:10:33,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:10:33,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:10:33,807 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:10:33,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 20:10:33,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd3c7f79/27e6a7722dc6489099530e1438948a89/FLAGbe9df6554 [2019-11-28 20:10:34,463 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:10:34,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 20:10:34,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd3c7f79/27e6a7722dc6489099530e1438948a89/FLAGbe9df6554 [2019-11-28 20:10:34,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd3c7f79/27e6a7722dc6489099530e1438948a89 [2019-11-28 20:10:34,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:10:34,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:10:34,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:10:34,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:10:34,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:10:34,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:10:34" (1/1) ... [2019-11-28 20:10:34,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db47512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:34, skipping insertion in model container [2019-11-28 20:10:34,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:10:34" (1/1) ... [2019-11-28 20:10:34,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:10:34,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:10:35,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:10:35,371 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 20:10:35,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18054c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:35, skipping insertion in model container [2019-11-28 20:10:35,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:10:35,373 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:10:35,376 INFO L168 Benchmark]: Toolchain (without parser) took 662.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:35,377 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:10:35,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:35,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 20:10:37,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:10:37,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:10:37,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:10:37,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:10:37,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:10:37,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:10:37,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:10:37,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:10:37,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:10:37,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:10:37,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:10:37,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:10:37,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:10:37,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:10:37,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:10:37,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:10:37,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:10:37,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:10:37,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:10:37,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:10:37,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:10:37,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:10:37,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:10:37,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:10:37,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:10:37,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:10:37,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:10:37,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:10:37,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:10:37,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:10:37,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:10:37,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:10:37,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:10:37,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:10:37,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:10:37,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:10:37,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:10:37,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:10:37,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:10:37,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:10:37,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:10:37,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:10:37,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:10:37,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:10:37,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:10:37,398 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:10:37,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:10:37,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:10:37,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:10:37,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:10:37,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:10:37,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:10:37,400 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:10:37,400 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:10:37,400 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:10:37,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:10:37,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:10:37,401 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:10:37,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:10:37,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:10:37,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:10:37,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:10:37,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:10:37,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:10:37,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:10:37,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:10:37,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:10:37,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:10:37,403 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:10:37,403 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:10:37,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:10:37,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:10:37,404 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2019-11-28 20:10:37,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:10:37,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:10:37,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:10:37,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:10:37,706 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:10:37,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 20:10:37,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75f6240c/b531da8e7fd841738c2169c6a5e0d0c7/FLAG73f94c8a2 [2019-11-28 20:10:38,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:10:38,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-28 20:10:38,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75f6240c/b531da8e7fd841738c2169c6a5e0d0c7/FLAG73f94c8a2 [2019-11-28 20:10:38,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75f6240c/b531da8e7fd841738c2169c6a5e0d0c7 [2019-11-28 20:10:38,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:10:38,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:10:38,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:10:38,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:10:38,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:10:38,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:10:38" (1/1) ... [2019-11-28 20:10:38,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:38, skipping insertion in model container [2019-11-28 20:10:38,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:10:38" (1/1) ... [2019-11-28 20:10:38,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:10:38,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:10:39,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:10:39,343 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 20:10:39,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:10:39,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:10:39,417 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:10:39,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:10:39,584 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:10:39,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39 WrapperNode [2019-11-28 20:10:39,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:10:39,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:10:39,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:10:39,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:10:39,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... [2019-11-28 20:10:39,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:10:39,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:10:39,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:10:39,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:10:39,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:10:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:10:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:10:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 20:10:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:10:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:10:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:10:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:10:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:10:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:10:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 20:10:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 20:10:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 20:10:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 20:10:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 20:10:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 20:10:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 20:10:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 20:10:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 20:10:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 20:10:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 20:10:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 20:10:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 20:10:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 20:10:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 20:10:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 20:10:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 20:10:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 20:10:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 20:10:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 20:10:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 20:10:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 20:10:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 20:10:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 20:10:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:10:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 20:10:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 20:10:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 20:10:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:10:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:10:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:10:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:10:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:10:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:10:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:10:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:10:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:10:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:10:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:10:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:10:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:10:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:10:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:10:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:10:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:10:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:10:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:10:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:10:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:10:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:10:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:10:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:10:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:10:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:10:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:10:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:10:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:10:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:10:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:10:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:10:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:10:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:10:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:10:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:10:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:10:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:10:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:10:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:10:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:10:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:10:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:10:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:10:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:10:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:10:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:10:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:10:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:10:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:10:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:10:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:10:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:10:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:10:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 20:10:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:10:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 20:10:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 20:10:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 20:10:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 20:10:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 20:10:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:10:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 20:10:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 20:10:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 20:10:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:10:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 20:10:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 20:10:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 20:10:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:10:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:10:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 20:10:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 20:10:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 20:10:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 20:10:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 20:10:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 20:10:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 20:10:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 20:10:40,533 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:10:40,935 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:10:41,346 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:10:41,348 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:10:41,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:10:41 BoogieIcfgContainer [2019-11-28 20:10:41,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:10:41,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:10:41,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:10:41,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:10:41,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:10:38" (1/3) ... [2019-11-28 20:10:41,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b5ab04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:10:41, skipping insertion in model container [2019-11-28 20:10:41,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:10:39" (2/3) ... [2019-11-28 20:10:41,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b5ab04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:10:41, skipping insertion in model container [2019-11-28 20:10:41,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:10:41" (3/3) ... [2019-11-28 20:10:41,365 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2019-11-28 20:10:41,378 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:10:41,389 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-11-28 20:10:41,404 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-11-28 20:10:41,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:10:41,428 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:10:41,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:10:41,429 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:10:41,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:10:41,430 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:10:41,430 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:10:41,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:10:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-11-28 20:10:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:10:41,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:10:41,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:10:41,477 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:10:41,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:10:41,485 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2019-11-28 20:10:41,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:10:41,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475740191] [2019-11-28 20:10:41,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 20:10:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:10:41,700 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:10:41,709 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:10:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:41,768 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:10:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:41,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475740191] [2019-11-28 20:10:41,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:10:41,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 20:10:41,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089163506] [2019-11-28 20:10:41,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:10:41,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:10:41,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:10:41,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:41,867 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2019-11-28 20:10:41,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:10:41,915 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-11-28 20:10:41,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:10:41,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 20:10:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:10:41,930 INFO L225 Difference]: With dead ends: 29 [2019-11-28 20:10:41,930 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 20:10:41,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:41,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 20:10:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 20:10:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 20:10:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-28 20:10:41,968 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2019-11-28 20:10:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:10:41,968 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-28 20:10:41,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:10:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-28 20:10:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 20:10:41,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:10:41,969 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:10:42,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:10:42,172 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:10:42,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:10:42,173 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2019-11-28 20:10:42,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:10:42,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821328425] [2019-11-28 20:10:42,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 20:10:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:10:42,316 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:10:42,317 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:10:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:42,404 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:10:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:42,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821328425] [2019-11-28 20:10:42,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:10:42,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-28 20:10:42,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238147991] [2019-11-28 20:10:42,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:10:42,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:10:42,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:10:42,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:10:42,529 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-11-28 20:10:42,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:10:42,731 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-28 20:10:42,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:10:42,732 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-28 20:10:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:10:42,735 INFO L225 Difference]: With dead ends: 35 [2019-11-28 20:10:42,736 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 20:10:42,737 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:10:42,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 20:10:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2019-11-28 20:10:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 20:10:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-28 20:10:42,743 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2019-11-28 20:10:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:10:42,743 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-28 20:10:42,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:10:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-28 20:10:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:10:42,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:10:42,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:10:42,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:10:42,958 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:10:42,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:10:42,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2019-11-28 20:10:42,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:10:42,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103693918] [2019-11-28 20:10:42,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 20:10:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:10:43,133 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:10:43,135 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:10:43,184 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:10:43,184 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:10:43,189 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:10:43,189 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:10:43,190 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 20:10:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:43,209 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:10:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:43,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103693918] [2019-11-28 20:10:43,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:10:43,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 20:10:43,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633148263] [2019-11-28 20:10:43,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:10:43,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:10:43,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:10:43,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:43,269 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2019-11-28 20:10:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:10:43,330 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-11-28 20:10:43,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:10:43,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 20:10:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:10:43,332 INFO L225 Difference]: With dead ends: 30 [2019-11-28 20:10:43,332 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 20:10:43,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:43,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 20:10:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 20:10:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 20:10:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-11-28 20:10:43,343 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2019-11-28 20:10:43,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:10:43,343 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-11-28 20:10:43,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:10:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-11-28 20:10:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:10:43,345 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:10:43,345 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:10:43,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:10:43,565 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:10:43,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:10:43,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2019-11-28 20:10:43,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:10:43,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572888904] [2019-11-28 20:10:43,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 20:10:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:10:43,681 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:10:43,682 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:10:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:43,706 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:10:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:10:43,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572888904] [2019-11-28 20:10:43,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:10:43,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 20:10:43,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059087181] [2019-11-28 20:10:43,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:10:43,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:10:43,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:10:43,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:43,731 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2019-11-28 20:10:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:10:43,787 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-11-28 20:10:43,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:10:43,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 20:10:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:10:43,790 INFO L225 Difference]: With dead ends: 34 [2019-11-28 20:10:43,790 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 20:10:43,790 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:10:43,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 20:10:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2019-11-28 20:10:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-28 20:10:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2019-11-28 20:10:43,798 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2019-11-28 20:10:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:10:43,798 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2019-11-28 20:10:43,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:10:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2019-11-28 20:10:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 20:10:43,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:10:43,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:10:44,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 20:10:44,003 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, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 20:10:44,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:10:44,004 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2019-11-28 20:10:44,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:10:44,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884229115] [2019-11-28 20:10:44,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 20:10:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:10:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:10:44,203 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:10:44,203 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:10:44,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 20:10:44,425 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:10:44,427 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:10:44,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:10:44 BoogieIcfgContainer [2019-11-28 20:10:44,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:10:44,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:10:44,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:10:44,441 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:10:44,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:10:41" (3/4) ... [2019-11-28 20:10:44,445 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:10:44,457 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:10:44,457 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 20:10:44,511 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:10:44,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:10:44,513 INFO L168 Benchmark]: Toolchain (without parser) took 5904.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:44,514 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:10:44,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:44,515 INFO L168 Benchmark]: Boogie Preprocessor took 127.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:10:44,516 INFO L168 Benchmark]: RCFGBuilder took 1637.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:44,516 INFO L168 Benchmark]: TraceAbstraction took 3086.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 981.7 MB in the beginning and 1.1 GB in the end (delta: -104.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:10:44,517 INFO L168 Benchmark]: Witness Printer took 71.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:10:44,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 975.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 127.63 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 1637.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.7 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3086.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 981.7 MB in the beginning and 1.1 GB in the end (delta: -104.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Result: UNSAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3713 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...