./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab 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_test5.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 a3c246dc22ee025e6722717057cde618bbb130ed ............................................................................................................................ 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_test5.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 a3c246dc22ee025e6722717057cde618bbb130ed ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:12,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:12,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:12,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:12,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:12,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:12,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:12,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:12,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:12,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:12,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:12,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:12,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:12,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:12,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:12,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:12,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:12,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:12,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:12,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:12,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:12,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:12,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:12,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:12,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:12,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:12,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:12,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:12,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:12,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:12,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:12,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:12,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:12,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:12,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:12,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:12,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:12,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:12,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:12,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:12,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:12,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:40:12,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:12,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:12,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:12,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:12,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:12,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:12,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:12,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:12,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:12,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:12,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:12,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:12,597 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:12,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:12,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:12,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:12,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:12,598 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:12,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:12,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:12,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:12,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:12,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:12,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:12,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:12,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:40:12,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:40:12,601 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 -> a3c246dc22ee025e6722717057cde618bbb130ed [2019-11-28 02:40:12,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:12,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:12,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:12,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:12,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:12,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-28 02:40:13,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1733a5f28/ea218a2267bc43dc905fd0381a9360ff/FLAG71a93e0a7 [2019-11-28 02:40:13,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:13,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-28 02:40:13,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1733a5f28/ea218a2267bc43dc905fd0381a9360ff/FLAG71a93e0a7 [2019-11-28 02:40:13,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1733a5f28/ea218a2267bc43dc905fd0381a9360ff [2019-11-28 02:40:13,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:13,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:13,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:13,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:13,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:13,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:13" (1/1) ... [2019-11-28 02:40:13,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699f7eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:13, skipping insertion in model container [2019-11-28 02:40:13,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:13" (1/1) ... [2019-11-28 02:40:13,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:13,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:14,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:14,438 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 02:40:14,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@501ea0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:14, skipping insertion in model container [2019-11-28 02:40:14,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:14,440 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:40:14,443 INFO L168 Benchmark]: Toolchain (without parser) took 606.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:14,443 INFO L168 Benchmark]: CDTParser took 0.26 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 02:40:14,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:14,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 603.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:16,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:16,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:16,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:16,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:16,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:16,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:16,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:16,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:16,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:16,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:16,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:16,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:16,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:16,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:16,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:16,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:16,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:16,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:16,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:16,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:16,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:16,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:16,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:16,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:16,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:16,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:16,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:16,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:16,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:16,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:16,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:16,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:16,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:16,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:16,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:16,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:16,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:16,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:16,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:16,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:16,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:40:16,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:16,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:16,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:16,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:16,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:16,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:16,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:16,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:16,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:16,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:16,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:16,415 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:16,415 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:16,416 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:16,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:16,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:16,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:40:16,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:40:16,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:16,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:16,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:16,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:16,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:16,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:16,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:16,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:16,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:16,420 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:40:16,420 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:40:16,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:40:16,421 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 -> a3c246dc22ee025e6722717057cde618bbb130ed [2019-11-28 02:40:16,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:16,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:16,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:16,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:16,775 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:16,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-28 02:40:16,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5f7c0ac/78c623e19a9f4e9db66a367f348e3774/FLAG451f63716 [2019-11-28 02:40:17,404 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:17,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-28 02:40:17,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5f7c0ac/78c623e19a9f4e9db66a367f348e3774/FLAG451f63716 [2019-11-28 02:40:17,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5f7c0ac/78c623e19a9f4e9db66a367f348e3774 [2019-11-28 02:40:17,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:17,664 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:17,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:17,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:17,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:17,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:17" (1/1) ... [2019-11-28 02:40:17,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bb322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:17, skipping insertion in model container [2019-11-28 02:40:17,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:17" (1/1) ... [2019-11-28 02:40:17,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:17,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:18,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:18,359 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:40:18,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:18,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:18,503 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:40:18,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:18,684 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:40:18,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18 WrapperNode [2019-11-28 02:40:18,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:18,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:40:18,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:40:18,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:40:18,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (1/1) ... [2019-11-28 02:40:18,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:40:18,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:40:18,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:40:18,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:40:18,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (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 02:40:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:40:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:40:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:40:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:40:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:40:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:40:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:40:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:40:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:40:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:40:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:40:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:40:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:40:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:40:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:40:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:40:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:40:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:40:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:40:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:40:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:40:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:40:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:40:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:40:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:40:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:40:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:40:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:40:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:40:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:40:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:40:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:40:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:40:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:40:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:40:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:40:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:40:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:40:19,550 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:19,983 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:20,400 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:40:20,400 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:40:20,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:20 BoogieIcfgContainer [2019-11-28 02:40:20,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:40:20,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:40:20,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:40:20,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:40:20,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:17" (1/3) ... [2019-11-28 02:40:20,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc4e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:20, skipping insertion in model container [2019-11-28 02:40:20,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:18" (2/3) ... [2019-11-28 02:40:20,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fc4e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:20, skipping insertion in model container [2019-11-28 02:40:20,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:20" (3/3) ... [2019-11-28 02:40:20,413 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2019-11-28 02:40:20,425 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:40:20,435 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 02:40:20,448 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 02:40:20,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:40:20,472 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:40:20,472 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:40:20,472 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:40:20,472 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:40:20,473 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:40:20,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:40:20,473 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:40:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-28 02:40:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:40:20,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:20,514 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:20,515 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:20,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:20,521 INFO L82 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2019-11-28 02:40:20,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:20,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632314594] [2019-11-28 02:40:20,531 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 02:40:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:20,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:40:20,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:20,926 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 02:40:20,927 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:21,094 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 02:40:21,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632314594] [2019-11-28 02:40:21,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:21,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-28 02:40:21,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380413077] [2019-11-28 02:40:21,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:40:21,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:21,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:40:21,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:40:21,137 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2019-11-28 02:40:21,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:21,271 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-28 02:40:21,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:40:21,274 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-28 02:40:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:21,289 INFO L225 Difference]: With dead ends: 33 [2019-11-28 02:40:21,289 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 02:40:21,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:21,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 02:40:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 02:40:21,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 02:40:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-28 02:40:21,347 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-28 02:40:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:21,348 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-28 02:40:21,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:40:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-28 02:40:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:40:21,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:21,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:21,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:40:21,564 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:21,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2019-11-28 02:40:21,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:21,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641529298] [2019-11-28 02:40:21,570 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 02:40:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:21,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:40:21,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:21,972 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 02:40:21,973 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:22,413 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 02:40:22,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641529298] [2019-11-28 02:40:22,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:22,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-28 02:40:22,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233451074] [2019-11-28 02:40:22,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 02:40:22,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:22,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 02:40:22,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-28 02:40:22,422 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 17 states. [2019-11-28 02:40:22,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:22,917 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2019-11-28 02:40:22,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 02:40:22,918 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 21 [2019-11-28 02:40:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:22,922 INFO L225 Difference]: With dead ends: 46 [2019-11-28 02:40:22,922 INFO L226 Difference]: Without dead ends: 46 [2019-11-28 02:40:22,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-28 02:40:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-28 02:40:22,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-11-28 02:40:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 02:40:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-28 02:40:22,932 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-28 02:40:22,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:22,932 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-28 02:40:22,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 02:40:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-28 02:40:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 02:40:22,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:22,933 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:23,143 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:40:23,144 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:23,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2019-11-28 02:40:23,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:23,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380555849] [2019-11-28 02:40:23,147 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 02:40:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:23,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:40:23,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:23,356 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 02:40:23,356 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:23,362 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:23,362 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:40:23,363 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:40:23,456 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 02:40:23,457 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:23,578 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 02:40:23,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380555849] [2019-11-28 02:40:23,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:23,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-28 02:40:23,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673396101] [2019-11-28 02:40:23,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:40:23,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:23,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:40:23,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:40:23,580 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-28 02:40:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:23,714 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-11-28 02:40:23,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:40:23,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-28 02:40:23,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:23,716 INFO L225 Difference]: With dead ends: 43 [2019-11-28 02:40:23,716 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 02:40:23,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:23,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 02:40:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 02:40:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 02:40:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-11-28 02:40:23,724 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2019-11-28 02:40:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:23,724 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-11-28 02:40:23,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:40:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-11-28 02:40:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 02:40:23,725 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:23,725 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:23,932 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:40:23,933 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:23,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:23,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2019-11-28 02:40:23,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:23,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131862744] [2019-11-28 02:40:23,935 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 02:40:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:24,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 02:40:24,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:24,177 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 02:40:24,178 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:24,317 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 02:40:24,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131862744] [2019-11-28 02:40:24,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:24,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2019-11-28 02:40:24,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635963038] [2019-11-28 02:40:24,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:40:24,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:24,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:40:24,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:40:24,320 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 9 states. [2019-11-28 02:40:24,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:24,398 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2019-11-28 02:40:24,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:40:24,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-28 02:40:24,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:24,400 INFO L225 Difference]: With dead ends: 41 [2019-11-28 02:40:24,400 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 02:40:24,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:24,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 02:40:24,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-11-28 02:40:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 02:40:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-11-28 02:40:24,407 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2019-11-28 02:40:24,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:24,408 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-11-28 02:40:24,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:40:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-11-28 02:40:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:40:24,409 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:24,409 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:24,610 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:40:24,611 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:24,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:24,612 INFO L82 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2019-11-28 02:40:24,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:24,612 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301603827] [2019-11-28 02:40:24,613 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 02:40:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:24,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:40:24,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:24,760 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 02:40:24,761 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:24,886 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 02:40:24,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301603827] [2019-11-28 02:40:24,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:24,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:40:24,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519119846] [2019-11-28 02:40:24,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:40:24,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:24,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:40:24,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:40:24,889 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 3 states. [2019-11-28 02:40:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:24,923 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-11-28 02:40:24,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:40:24,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 02:40:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:24,925 INFO L225 Difference]: With dead ends: 42 [2019-11-28 02:40:24,925 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 02:40:24,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:40:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 02:40:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-11-28 02:40:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-28 02:40:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-11-28 02:40:24,935 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2019-11-28 02:40:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:24,936 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-11-28 02:40:24,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:40:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-11-28 02:40:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 02:40:24,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:24,938 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:25,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:40:25,148 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:25,148 INFO L82 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2019-11-28 02:40:25,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:25,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615964404] [2019-11-28 02:40:25,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:25,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-28 02:40:25,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:29,495 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:36,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,016 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:40:36,024 INFO L168 Benchmark]: Toolchain (without parser) took 18360.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 955.0 MB in the beginning and 855.4 MB in the end (delta: 99.6 MB). Peak memory consumption was 327.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:36,025 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:36,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:36,027 INFO L168 Benchmark]: Boogie Preprocessor took 122.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:36,027 INFO L168 Benchmark]: RCFGBuilder took 1591.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 112.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:36,029 INFO L168 Benchmark]: TraceAbstraction took 15618.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 984.9 MB in the beginning and 855.4 MB in the end (delta: 129.5 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:36,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1022.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.22 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 1591.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 112.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15618.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 984.9 MB in the beginning and 855.4 MB in the end (delta: 129.5 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...