./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 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_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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ............................................................................................................................. 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_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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:10:37,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:10:37,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:10:37,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:10:37,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:10:37,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:10:37,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:10:37,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:10:37,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:10:37,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:10:37,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:10:37,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:10:37,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:10:37,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:10:37,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:10:37,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:10:37,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:10:37,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:10:37,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:10:37,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:10:37,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:10:37,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:10:37,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:10:37,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:10:37,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:10:37,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:10:37,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:10:37,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:10:37,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:10:37,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:10:37,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:10:37,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:10:37,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:10:37,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:10:37,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:10:37,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:10:37,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:10:37,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:10:37,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:10:37,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:10:37,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:10:37,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:10:37,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:10:37,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:10:37,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:10:37,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:10:37,486 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:10:37,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:10:37,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:10:37,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:10:37,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:10:37,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:10:37,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:10:37,489 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:10:37,489 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:10:37,490 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:10:37,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:10:37,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:10:37,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:10:37,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:10:37,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:10:37,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:10:37,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:10:37,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:10:37,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:10:37,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:10:37,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:10:37,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:10:37,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:10:37,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:10:37,494 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 -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2020-10-19 18:10:37,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:10:37,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:10:37,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:10:37,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:10:37,847 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:10:37,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2020-10-19 18:10:37,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0e44566/3e5ac3101cd34228b17757d69d9cb085/FLAG208019c94 [2020-10-19 18:10:38,407 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:10:38,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2020-10-19 18:10:38,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0e44566/3e5ac3101cd34228b17757d69d9cb085/FLAG208019c94 [2020-10-19 18:10:38,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0e44566/3e5ac3101cd34228b17757d69d9cb085 [2020-10-19 18:10:38,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:10:38,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:10:38,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:38,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:10:38,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:10:38,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:38" (1/1) ... [2020-10-19 18:10:38,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6955552a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:38, skipping insertion in model container [2020-10-19 18:10:38,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:38" (1/1) ... [2020-10-19 18:10:38,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:10:38,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:39,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:39,314 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) [2020-10-19 18:10:39,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@660fa77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:39, skipping insertion in model container [2020-10-19 18:10:39,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:39,316 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:10:39,318 INFO L168 Benchmark]: Toolchain (without parser) took 582.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:39,319 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:39,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:39,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 26.0 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 0.1.25-906a4fb [2020-10-19 18:10:40,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:10:40,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:10:40,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:10:40,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:10:40,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:10:41,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:10:41,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:10:41,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:10:41,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:10:41,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:10:41,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:10:41,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:10:41,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:10:41,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:10:41,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:10:41,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:10:41,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:10:41,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:10:41,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:10:41,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:10:41,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:10:41,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:10:41,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:10:41,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:10:41,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:10:41,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:10:41,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:10:41,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:10:41,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:10:41,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:10:41,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:10:41,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:10:41,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:10:41,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:10:41,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:10:41,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:10:41,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:10:41,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:10:41,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:10:41,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:10:41,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:10:41,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:10:41,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:10:41,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:10:41,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:10:41,058 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:10:41,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:10:41,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:10:41,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:10:41,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:10:41,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:10:41,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:10:41,059 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:10:41,060 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:10:41,060 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:10:41,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:10:41,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:10:41,060 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:10:41,061 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:10:41,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:10:41,061 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:10:41,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:10:41,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:10:41,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:10:41,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:10:41,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:10:41,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:10:41,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:10:41,063 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:10:41,063 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:10:41,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:10:41,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:10:41,064 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 -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2020-10-19 18:10:41,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:10:41,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:10:41,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:10:41,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:10:41,373 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:10:41,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2020-10-19 18:10:41,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f107912b4/93e3e81fc17e4b9b95e918a0f56b55df/FLAG7e3589b8d [2020-10-19 18:10:41,947 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:10:41,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2020-10-19 18:10:41,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f107912b4/93e3e81fc17e4b9b95e918a0f56b55df/FLAG7e3589b8d [2020-10-19 18:10:42,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f107912b4/93e3e81fc17e4b9b95e918a0f56b55df [2020-10-19 18:10:42,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:10:42,283 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:10:42,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:42,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:10:42,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:10:42,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:42" (1/1) ... [2020-10-19 18:10:42,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124eb975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:42, skipping insertion in model container [2020-10-19 18:10:42,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:42" (1/1) ... [2020-10-19 18:10:42,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:10:42,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:42,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:42,873 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:10:42,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:42,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:42,945 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:10:43,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:43,110 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:10:43,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43 WrapperNode [2020-10-19 18:10:43,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:43,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:10:43,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:10:43,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:10:43,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (1/1) ... [2020-10-19 18:10:43,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:10:43,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:10:43,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:10:43,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:10:43,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (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 [2020-10-19 18:10:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:10:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:10:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:10:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:10:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:10:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:10:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:10:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:10:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:10:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:10:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:10:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:10:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:10:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:10:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:10:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:10:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:10:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:10:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:10:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:10:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:10:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:10:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:10:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:10:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:10:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:10:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:10:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:10:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:10:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:10:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:10:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:10:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:10:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:10:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:10:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:10:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:10:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:10:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:10:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:10:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:10:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:10:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:10:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:10:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:10:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:10:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:10:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:10:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:10:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:10:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:10:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:10:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:10:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:10:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:10:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:10:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:10:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:10:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:10:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:10:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:10:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:10:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:10:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:10:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:10:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:10:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:10:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:10:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:10:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:10:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:10:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:10:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:10:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:10:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:10:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:10:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:10:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:10:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:10:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:10:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:10:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:10:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:10:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:10:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:10:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:10:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:10:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:10:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:10:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:10:43,960 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:10:44,293 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:10:44,581 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:10:44,581 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:10:44,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:44 BoogieIcfgContainer [2020-10-19 18:10:44,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:10:44,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:10:44,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:10:44,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:10:44,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:10:42" (1/3) ... [2020-10-19 18:10:44,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b590e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:10:44, skipping insertion in model container [2020-10-19 18:10:44,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:43" (2/3) ... [2020-10-19 18:10:44,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b590e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:10:44, skipping insertion in model container [2020-10-19 18:10:44,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:44" (3/3) ... [2020-10-19 18:10:44,592 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2020-10-19 18:10:44,604 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:10:44,612 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:10:44,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:10:44,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:10:44,648 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:10:44,648 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:10:44,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:10:44,648 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:10:44,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:10:44,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:10:44,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:10:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-10-19 18:10:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:10:44,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:44,679 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] [2020-10-19 18:10:44,680 INFO L429 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]=== [2020-10-19 18:10:44,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:44,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1865659629, now seen corresponding path program 1 times [2020-10-19 18:10:44,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:44,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832494587] [2020-10-19 18:10:44,700 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 [2020-10-19 18:10:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:44,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:10:44,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:45,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:45,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832494587] [2020-10-19 18:10:45,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:45,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-10-19 18:10:45,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274526201] [2020-10-19 18:10:45,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:10:45,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:45,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:10:45,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:45,247 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 7 states. [2020-10-19 18:10:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:45,346 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-10-19 18:10:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:10:45,349 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-19 18:10:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:45,380 INFO L225 Difference]: With dead ends: 28 [2020-10-19 18:10:45,380 INFO L226 Difference]: Without dead ends: 25 [2020-10-19 18:10:45,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:10:45,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-19 18:10:45,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-19 18:10:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-19 18:10:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-10-19 18:10:45,448 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 20 [2020-10-19 18:10:45,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:45,451 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-10-19 18:10:45,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:10:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-10-19 18:10:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:10:45,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:45,454 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, 1, 1] [2020-10-19 18:10:45,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:10:45,671 INFO L429 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]=== [2020-10-19 18:10:45,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:45,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1573100356, now seen corresponding path program 1 times [2020-10-19 18:10:45,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:45,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924980130] [2020-10-19 18:10:45,675 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 [2020-10-19 18:10:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:10:45,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:10:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:10:45,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:10:45,923 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 18:10:45,924 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:10:46,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:10:46,154 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-19 18:10:46,161 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# [2020-10-19 18:10:46,162 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# [2020-10-19 18:10:46,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:10:46 BoogieIcfgContainer [2020-10-19 18:10:46,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:10:46,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:10:46,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:10:46,178 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:10:46,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:44" (3/4) ... [2020-10-19 18:10:46,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:10:46,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:10:46,185 INFO L168 Benchmark]: Toolchain (without parser) took 3906.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.6 MB in the beginning and 860.5 MB in the end (delta: 94.1 MB). Peak memory consumption was 238.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:46,186 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:46,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:46,191 INFO L168 Benchmark]: Boogie Preprocessor took 99.70 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. [2020-10-19 18:10:46,193 INFO L168 Benchmark]: RCFGBuilder took 1372.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.3 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:46,198 INFO L168 Benchmark]: TraceAbstraction took 1591.77 ms. Allocated memory is still 1.2 GB. Free memory was 982.3 MB in the beginning and 867.1 MB in the end (delta: 115.2 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:46,199 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 1.2 GB. Free memory was 867.1 MB in the beginning and 860.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:46,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 826.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.70 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 1372.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.3 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1591.77 ms. Allocated memory is still 1.2 GB. Free memory was 982.3 MB in the beginning and 867.1 MB in the end (delta: 115.2 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.86 ms. Allocated memory is still 1.2 GB. Free memory was 867.1 MB in the beginning and 860.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. 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}] [L771] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L767] CALL, EXPR f5() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={3:0}, p={1:0}] [L767] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={3:0}] [L767] int *p = f5(); [L768] CALL g5(p) VAL [ldv_global_msg_list={3:0}, p={0:0}] [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={3:0}, p={0:0}, p={0:0}] [L768] RET g5(p) VAL [ldv_global_msg_list={3:0}, p={0:0}] [L771] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 113 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 2090 SizeOfPredicates, 4 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 11 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...