./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ............................................................................................................................... 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 -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:02:46,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:02:46,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:02:46,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:02:46,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:02:46,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:02:46,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:02:46,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:02:46,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:02:46,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:02:46,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:02:46,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:02:46,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:02:46,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:02:46,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:02:46,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:02:46,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:02:46,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:02:46,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:02:46,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:02:46,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:02:46,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:02:46,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:02:46,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:02:46,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:02:46,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:02:46,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:02:46,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:02:46,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:02:46,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:02:46,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:02:46,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:02:46,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:02:46,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:02:46,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:02:46,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:02:46,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:02:46,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:02:46,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:02:46,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:02:46,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:02:46,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-07-29 01:02:46,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:02:46,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:02:46,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:02:46,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:02:46,603 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:02:46,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:02:46,603 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:02:46,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:02:46,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:02:46,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:02:46,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:02:46,605 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:02:46,605 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:02:46,605 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:02:46,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:02:46,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:02:46,606 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:02:46,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:02:46,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:02:46,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:02:46,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:02:46,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:02:46,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:02:46,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:02:46,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:02:46,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:02:46,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:02:46,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:02:46,609 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 -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-07-29 01:02:46,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:02:46,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:02:46,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:02:46,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:02:46,949 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:02:46,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-07-29 01:02:47,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d2a2d39/80c498d82ca34e059fca74edc73e9324/FLAG2fe560916 [2020-07-29 01:02:47,555 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:02:47,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-07-29 01:02:47,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d2a2d39/80c498d82ca34e059fca74edc73e9324/FLAG2fe560916 [2020-07-29 01:02:47,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44d2a2d39/80c498d82ca34e059fca74edc73e9324 [2020-07-29 01:02:47,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:02:47,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:02:47,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:02:47,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:02:47,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:02:47,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:02:47" (1/1) ... [2020-07-29 01:02:47,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c77db6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:47, skipping insertion in model container [2020-07-29 01:02:47,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:02:47" (1/1) ... [2020-07-29 01:02:47,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:02:47,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:02:48,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:02:48,485 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) [2020-07-29 01:02:48,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4efcd637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:48, skipping insertion in model container [2020-07-29 01:02:48,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:02:48,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-29 01:02:48,491 INFO L168 Benchmark]: Toolchain (without parser) took 687.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:48,492 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:02:48,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:48,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:02:50,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:02:50,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:02:50,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:02:50,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:02:50,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:02:50,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:02:50,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:02:50,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:02:50,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:02:50,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:02:50,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:02:50,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:02:50,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:02:50,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:02:50,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:02:50,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:02:50,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:02:50,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:02:50,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:02:50,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:02:50,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:02:50,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:02:50,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:02:50,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:02:50,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:02:50,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:02:50,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:02:50,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:02:50,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:02:50,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:02:50,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:02:50,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:02:50,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:02:50,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:02:50,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:02:50,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:02:50,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:02:50,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:02:50,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:02:50,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:02:50,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-07-29 01:02:50,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:02:50,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:02:50,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:02:50,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:02:50,507 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:02:50,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:02:50,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:02:50,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:02:50,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:02:50,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:02:50,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:02:50,508 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:02:50,509 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:02:50,509 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:02:50,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:02:50,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:02:50,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-29 01:02:50,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-29 01:02:50,511 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:02:50,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:02:50,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:02:50,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:02:50,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:02:50,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:02:50,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:02:50,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:02:50,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:02:50,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-29 01:02:50,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-29 01:02:50,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:02:50,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-29 01:02:50,515 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 -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-07-29 01:02:50,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:02:50,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:02:50,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:02:50,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:02:50,843 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:02:50,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-07-29 01:02:50,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097b6114f/252c227893cc4b6b8bddbb86135cf56e/FLAGf6acd209d [2020-07-29 01:02:51,471 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:02:51,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-07-29 01:02:51,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097b6114f/252c227893cc4b6b8bddbb86135cf56e/FLAGf6acd209d [2020-07-29 01:02:51,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097b6114f/252c227893cc4b6b8bddbb86135cf56e [2020-07-29 01:02:51,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:02:51,785 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:02:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:02:51,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:02:51,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:02:51,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:02:51" (1/1) ... [2020-07-29 01:02:51,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d494b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:51, skipping insertion in model container [2020-07-29 01:02:51,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:02:51" (1/1) ... [2020-07-29 01:02:51,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:02:51,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:02:52,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:02:52,467 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-07-29 01:02:52,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:02:52,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:02:52,555 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:02:52,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:02:52,734 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:02:52,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52 WrapperNode [2020-07-29 01:02:52,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:02:52,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:02:52,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:02:52,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:02:52,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (1/1) ... [2020-07-29 01:02:52,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:02:52,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:02:52,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:02:52,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:02:52,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (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 [2020-07-29 01:02:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-29 01:02:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:02:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:02:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:02:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-29 01:02:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-29 01:02:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-29 01:02:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-29 01:02:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-29 01:02:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-07-29 01:02:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-07-29 01:02:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-29 01:02:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-07-29 01:02:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-07-29 01:02:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-07-29 01:02:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-07-29 01:02:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-07-29 01:02:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-07-29 01:02:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-07-29 01:02:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-07-29 01:02:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-07-29 01:02:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-07-29 01:02:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-07-29 01:02:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-07-29 01:02:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-07-29 01:02:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-07-29 01:02:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-07-29 01:02:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-07-29 01:02:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-07-29 01:02:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-29 01:02:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-29 01:02:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2020-07-29 01:02:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-07-29 01:02:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-29 01:02:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-29 01:02:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-29 01:02:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-07-29 01:02:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-29 01:02:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-29 01:02:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-29 01:02:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-29 01:02:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-29 01:02:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-29 01:02:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-29 01:02:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-29 01:02:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-29 01:02:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-29 01:02:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-29 01:02:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-29 01:02:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-29 01:02:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-29 01:02:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-29 01:02:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-29 01:02:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-29 01:02:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-29 01:02:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-29 01:02:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-29 01:02:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-29 01:02:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-29 01:02:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-29 01:02:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-29 01:02:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-29 01:02:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-29 01:02:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-29 01:02:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-29 01:02:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-29 01:02:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-29 01:02:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-29 01:02:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-29 01:02:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-29 01:02:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-29 01:02:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-29 01:02:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-29 01:02:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-29 01:02:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-29 01:02:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-29 01:02:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-29 01:02:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-29 01:02:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-29 01:02:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-29 01:02:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-29 01:02:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-29 01:02:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-29 01:02:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-29 01:02:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-29 01:02:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-29 01:02:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-29 01:02:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-29 01:02:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-29 01:02:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-29 01:02:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-29 01:02:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-29 01:02:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-29 01:02:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-29 01:02:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-29 01:02:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-29 01:02:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-29 01:02:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-29 01:02:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-29 01:02:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-29 01:02:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-29 01:02:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-29 01:02:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-29 01:02:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-29 01:02:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-29 01:02:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-29 01:02:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-29 01:02:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-29 01:02:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-29 01:02:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-29 01:02:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-29 01:02:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-29 01:02:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-29 01:02:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-29 01:02:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-29 01:02:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-29 01:02:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-29 01:02:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-29 01:02:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-29 01:02:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-29 01:02:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-29 01:02:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-29 01:02:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-29 01:02:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-29 01:02:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-29 01:02:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-29 01:02:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-29 01:02:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-29 01:02:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-29 01:02:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-29 01:02:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-29 01:02:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-29 01:02:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-29 01:02:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-29 01:02:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-29 01:02:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-29 01:02:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-29 01:02:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-29 01:02:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-29 01:02:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-29 01:02:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-29 01:02:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-07-29 01:02:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-07-29 01:02:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-07-29 01:02:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-29 01:02:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-29 01:02:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:02:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-29 01:02:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-29 01:02:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:02:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:02:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-07-29 01:02:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-07-29 01:02:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-07-29 01:02:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:02:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-07-29 01:02:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-07-29 01:02:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-07-29 01:02:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-07-29 01:02:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-07-29 01:02:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-07-29 01:02:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:02:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-07-29 01:02:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-07-29 01:02:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-07-29 01:02:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-07-29 01:02:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-07-29 01:02:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-29 01:02:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-29 01:02:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-07-29 01:02:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-07-29 01:02:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:02:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-07-29 01:02:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-07-29 01:02:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-07-29 01:02:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-07-29 01:02:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-07-29 01:02:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-07-29 01:02:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-07-29 01:02:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-07-29 01:02:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-07-29 01:02:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-07-29 01:02:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-07-29 01:02:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-29 01:02:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-29 01:02:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-29 01:02:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2020-07-29 01:02:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-07-29 01:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-29 01:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-29 01:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-29 01:02:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:02:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:02:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-07-29 01:02:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-07-29 01:02:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-07-29 01:02:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-07-29 01:02:53,703 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:02:54,191 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:02:54,662 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:02:54,663 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-29 01:02:54,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:02:54 BoogieIcfgContainer [2020-07-29 01:02:54,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:02:54,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:02:54,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:02:54,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:02:54,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:02:51" (1/3) ... [2020-07-29 01:02:54,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e86662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:02:54, skipping insertion in model container [2020-07-29 01:02:54,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:02:52" (2/3) ... [2020-07-29 01:02:54,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e86662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:02:54, skipping insertion in model container [2020-07-29 01:02:54,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:02:54" (3/3) ... [2020-07-29 01:02:54,677 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2020-07-29 01:02:54,688 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:02:54,697 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-07-29 01:02:54,712 INFO L251 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-07-29 01:02:54,734 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:02:54,734 INFO L376 AbstractCegarLoop]: Hoare is false [2020-07-29 01:02:54,735 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:02:54,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:02:54,735 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:02:54,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:02:54,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:02:54,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:02:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-07-29 01:02:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-29 01:02:54,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:02:54,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:02:54,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:02:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:02:54,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2020-07-29 01:02:54,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:02:54,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663799869] [2020-07-29 01:02:54,787 INFO L95 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 [2020-07-29 01:02:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:02:55,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 01:02:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:02:55,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:02:55,176 INFO L263 TraceCheckUtils]: 0: Hoare triple {99#true} call ULTIMATE.init(); {99#true} is VALID [2020-07-29 01:02:55,177 INFO L280 TraceCheckUtils]: 1: Hoare triple {99#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32); {99#true} is VALID [2020-07-29 01:02:55,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {99#true} assume true; {99#true} is VALID [2020-07-29 01:02:55,177 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {99#true} {99#true} #447#return; {99#true} is VALID [2020-07-29 01:02:55,179 INFO L263 TraceCheckUtils]: 4: Hoare triple {99#true} call main(); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,180 INFO L263 TraceCheckUtils]: 5: Hoare triple {116#(= |#valid| |old(#valid)|)} call entry_point(); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,181 INFO L280 TraceCheckUtils]: 6: Hoare triple {116#(= |#valid| |old(#valid)|)} ~condition~0 := #t~nondet39;havoc #t~nondet39; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,183 INFO L263 TraceCheckUtils]: 7: Hoare triple {116#(= |#valid| |old(#valid)|)} call #t~ret40.base, #t~ret40.offset := alloc_16(~condition~0); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,184 INFO L280 TraceCheckUtils]: 8: Hoare triple {116#(= |#valid| |old(#valid)|)} ~condition := #in~condition; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,185 INFO L280 TraceCheckUtils]: 9: Hoare triple {116#(= |#valid| |old(#valid)|)} assume !(0bv32 != ~condition);#res.base, #res.offset := 0bv32, 0bv32; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,187 INFO L280 TraceCheckUtils]: 10: Hoare triple {116#(= |#valid| |old(#valid)|)} assume true; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,189 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {116#(= |#valid| |old(#valid)|)} {116#(= |#valid| |old(#valid)|)} #437#return; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,199 INFO L280 TraceCheckUtils]: 12: Hoare triple {116#(= |#valid| |old(#valid)|)} ~p~1.base, ~p~1.offset := #t~ret40.base, #t~ret40.offset;havoc #t~ret40.base, #t~ret40.offset; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,202 INFO L280 TraceCheckUtils]: 13: Hoare triple {116#(= |#valid| |old(#valid)|)} assume true; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,205 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {116#(= |#valid| |old(#valid)|)} {116#(= |#valid| |old(#valid)|)} #411#return; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,206 INFO L280 TraceCheckUtils]: 15: Hoare triple {116#(= |#valid| |old(#valid)|)} assume !(#valid == old(#valid)); {100#false} is VALID [2020-07-29 01:02:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:02:55,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:02:55,378 INFO L280 TraceCheckUtils]: 15: Hoare triple {116#(= |#valid| |old(#valid)|)} assume !(#valid == old(#valid)); {100#false} is VALID [2020-07-29 01:02:55,380 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {116#(= |#valid| |old(#valid)|)} {116#(= |#valid| |old(#valid)|)} #411#return; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,381 INFO L280 TraceCheckUtils]: 13: Hoare triple {116#(= |#valid| |old(#valid)|)} assume true; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,382 INFO L280 TraceCheckUtils]: 12: Hoare triple {116#(= |#valid| |old(#valid)|)} ~p~1.base, ~p~1.offset := #t~ret40.base, #t~ret40.offset;havoc #t~ret40.base, #t~ret40.offset; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,384 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {116#(= |#valid| |old(#valid)|)} {116#(= |#valid| |old(#valid)|)} #437#return; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,385 INFO L280 TraceCheckUtils]: 10: Hoare triple {116#(= |#valid| |old(#valid)|)} assume true; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,386 INFO L280 TraceCheckUtils]: 9: Hoare triple {116#(= |#valid| |old(#valid)|)} assume !(0bv32 != ~condition);#res.base, #res.offset := 0bv32, 0bv32; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,387 INFO L280 TraceCheckUtils]: 8: Hoare triple {116#(= |#valid| |old(#valid)|)} ~condition := #in~condition; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,388 INFO L263 TraceCheckUtils]: 7: Hoare triple {116#(= |#valid| |old(#valid)|)} call #t~ret40.base, #t~ret40.offset := alloc_16(~condition~0); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,389 INFO L280 TraceCheckUtils]: 6: Hoare triple {116#(= |#valid| |old(#valid)|)} ~condition~0 := #t~nondet39;havoc #t~nondet39; {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,390 INFO L263 TraceCheckUtils]: 5: Hoare triple {116#(= |#valid| |old(#valid)|)} call entry_point(); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,391 INFO L263 TraceCheckUtils]: 4: Hoare triple {99#true} call main(); {116#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:02:55,391 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {99#true} {99#true} #447#return; {99#true} is VALID [2020-07-29 01:02:55,392 INFO L280 TraceCheckUtils]: 2: Hoare triple {99#true} assume true; {99#true} is VALID [2020-07-29 01:02:55,393 INFO L280 TraceCheckUtils]: 1: Hoare triple {99#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32); {99#true} is VALID [2020-07-29 01:02:55,393 INFO L263 TraceCheckUtils]: 0: Hoare triple {99#true} call ULTIMATE.init(); {99#true} is VALID [2020-07-29 01:02:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:02:55,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663799869] [2020-07-29 01:02:55,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:02:55,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-29 01:02:55,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786196178] [2020-07-29 01:02:55,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-07-29 01:02:55,414 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:02:55,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:02:55,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:02:55,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-29 01:02:55,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:02:55,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:02:55,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:02:55,467 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2020-07-29 01:02:55,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:02:55,619 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-07-29 01:02:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:02:55,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-07-29 01:02:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:02:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:02:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2020-07-29 01:02:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:02:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2020-07-29 01:02:55,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 37 transitions. [2020-07-29 01:02:55,709 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:02:55,722 INFO L225 Difference]: With dead ends: 35 [2020-07-29 01:02:55,723 INFO L226 Difference]: Without dead ends: 23 [2020-07-29 01:02:55,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:02:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-29 01:02:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-07-29 01:02:55,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:02:55,790 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2020-07-29 01:02:55,795 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-29 01:02:55,796 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-29 01:02:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:02:55,800 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-07-29 01:02:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-07-29 01:02:55,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:02:55,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:02:55,801 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-29 01:02:55,802 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-29 01:02:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:02:55,805 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-07-29 01:02:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-07-29 01:02:55,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:02:55,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:02:55,806 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:02:55,807 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:02:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-29 01:02:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2020-07-29 01:02:55,811 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2020-07-29 01:02:55,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:02:55,811 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2020-07-29 01:02:55,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-29 01:02:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-07-29 01:02:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-29 01:02:55,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:02:55,813 INFO L422 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] [2020-07-29 01:02:56,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-29 01:02:56,036 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:02:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:02:56,038 INFO L82 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2020-07-29 01:02:56,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:02:56,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555572288] [2020-07-29 01:02:56,040 INFO L95 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 [2020-07-29 01:02:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:02:56,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:02:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:02:56,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:02:56,238 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-29 01:02:56,238 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-29 01:02:56,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-29 01:02:56,456 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-07-29 01:02:56,462 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:02:56,463 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:02:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:02:56 BoogieIcfgContainer [2020-07-29 01:02:56,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:02:56,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:02:56,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:02:56,473 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:02:56,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:02:54" (3/4) ... [2020-07-29 01:02:56,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:02:56,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:02:56,480 INFO L168 Benchmark]: Toolchain (without parser) took 4697.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:56,481 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:02:56,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:56,482 INFO L168 Benchmark]: Boogie Preprocessor took 117.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:56,483 INFO L168 Benchmark]: RCFGBuilder took 1803.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.7 MB in the end (delta: 165.1 MB). Peak memory consumption was 165.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:02:56,484 INFO L168 Benchmark]: TraceAbstraction took 1803.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 928.7 MB in the beginning and 1.2 GB in the end (delta: -233.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:02:56,484 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:02:56,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 949.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1803.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.7 MB in the end (delta: 165.1 MB). Peak memory consumption was 165.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1803.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 928.7 MB in the beginning and 1.2 GB in the end (delta: -233.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.78 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=1073741824, ldv_global_msg_list={3:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=1073741824, condition=1073741824, ldv_global_msg_list={3:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=1073741824, condition=1073741824, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=1073741824, \result={1:0}, condition=1073741824, ldv_global_msg_list={3:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=1073741824, ldv_global_msg_list={3:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...