./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.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 61683ce69ab6e0be34131bf5e9c8287c381247ab ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.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 61683ce69ab6e0be34131bf5e9c8287c381247ab .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 21:18:38,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:18:38,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:18:38,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:18:38,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:18:38,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:18:38,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:18:38,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:18:38,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:18:38,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:18:38,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:18:38,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:18:38,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:18:38,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:18:38,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:18:38,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:18:38,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:18:38,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:18:38,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:18:38,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:18:38,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:18:38,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:18:38,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:18:38,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:18:38,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:18:38,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:18:38,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:18:38,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:18:38,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:18:38,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:18:38,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:18:38,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:18:38,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:18:38,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:18:38,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:18:38,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:18:38,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:18:38,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:18:38,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:18:38,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:18:38,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:18:38,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 21:18:38,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:18:38,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:18:38,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:18:38,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:18:38,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:18:38,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:18:38,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:18:38,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:18:38,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:18:38,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:18:38,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:18:38,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:18:38,801 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:18:38,802 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:18:38,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:18:38,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:18:38,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:18:38,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:18:38,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:18:38,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:18:38,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:18:38,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:18:38,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:18:38,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:18:38,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:18:38,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 21:18:38,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 21:18:38,806 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 -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2019-11-26 21:18:39,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:18:39,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:18:39,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:18:39,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:18:39,142 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:18:39,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-26 21:18:39,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f55fddf8/ecf21e6bdd944ce5bb838f2cb77c6974/FLAG91c38cad6 [2019-11-26 21:18:39,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:18:39,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-26 21:18:39,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f55fddf8/ecf21e6bdd944ce5bb838f2cb77c6974/FLAG91c38cad6 [2019-11-26 21:18:40,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f55fddf8/ecf21e6bdd944ce5bb838f2cb77c6974 [2019-11-26 21:18:40,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:18:40,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:18:40,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:40,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:18:40,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:18:40,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:40" (1/1) ... [2019-11-26 21:18:40,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bba92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:40, skipping insertion in model container [2019-11-26 21:18:40,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:40" (1/1) ... [2019-11-26 21:18:40,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:18:40,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:40,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:40,679 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-26 21:18:40,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c401fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:40, skipping insertion in model container [2019-11-26 21:18:40,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:40,681 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 21:18:40,684 INFO L168 Benchmark]: Toolchain (without parser) took 604.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:40,685 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:18:40,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:40,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 21:18:42,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:18:42,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:18:42,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:18:42,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:18:42,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:18:42,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:18:42,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:18:42,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:18:42,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:18:42,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:18:42,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:18:42,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:18:42,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:18:42,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:18:42,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:18:42,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:18:42,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:18:42,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:18:42,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:18:42,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:18:42,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:18:42,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:18:42,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:18:42,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:18:42,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:18:42,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:18:42,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:18:42,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:18:42,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:18:42,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:18:42,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:18:42,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:18:42,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:18:42,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:18:42,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:18:42,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:18:42,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:18:42,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:18:42,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:18:42,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:18:42,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 21:18:42,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:18:42,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:18:42,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:18:42,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:18:42,583 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:18:42,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:18:42,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:18:42,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:18:42,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:18:42,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:18:42,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:18:42,585 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:18:42,585 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:18:42,586 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:18:42,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:18:42,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:18:42,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 21:18:42,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 21:18:42,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:18:42,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:18:42,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:18:42,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:18:42,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:18:42,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:18:42,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:18:42,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:18:42,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:18:42,590 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 21:18:42,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 21:18:42,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 21:18:42,590 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 -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2019-11-26 21:18:42,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:18:42,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:18:42,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:18:42,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:18:42,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:18:42,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-26 21:18:43,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27a62097/5ad1f15bae8e400fb996556653c507b2/FLAGc13f4d06d [2019-11-26 21:18:43,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:18:43,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-26 21:18:43,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27a62097/5ad1f15bae8e400fb996556653c507b2/FLAGc13f4d06d [2019-11-26 21:18:43,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27a62097/5ad1f15bae8e400fb996556653c507b2 [2019-11-26 21:18:43,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:18:43,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:18:43,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:43,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:18:43,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:18:43,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:43" (1/1) ... [2019-11-26 21:18:43,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70060288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:43, skipping insertion in model container [2019-11-26 21:18:43,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:18:43" (1/1) ... [2019-11-26 21:18:43,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:18:43,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:44,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:44,514 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 21:18:44,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:18:44,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:44,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 21:18:44,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:18:44,832 INFO L208 MainTranslator]: Completed translation [2019-11-26 21:18:44,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44 WrapperNode [2019-11-26 21:18:44,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:18:44,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 21:18:44,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 21:18:44,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 21:18:44,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... [2019-11-26 21:18:44,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 21:18:44,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 21:18:44,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 21:18:44,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 21:18:44,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:18:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 21:18:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 21:18:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:18:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:18:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 21:18:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 21:18:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 21:18:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 21:18:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 21:18:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 21:18:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 21:18:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 21:18:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 21:18:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:18:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 21:18:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 21:18:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 21:18:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 21:18:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 21:18:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 21:18:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 21:18:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 21:18:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 21:18:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 21:18:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 21:18:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 21:18:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 21:18:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 21:18:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 21:18:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 21:18:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 21:18:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 21:18:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 21:18:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 21:18:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 21:18:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 21:18:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 21:18:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 21:18:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 21:18:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 21:18:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 21:18:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 21:18:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2019-11-26 21:18:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-26 21:18:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 21:18:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 21:18:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 21:18:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 21:18:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 21:18:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 21:18:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 21:18:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 21:18:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 21:18:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 21:18:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 21:18:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 21:18:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 21:18:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 21:18:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 21:18:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 21:18:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 21:18:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 21:18:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 21:18:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 21:18:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 21:18:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 21:18:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 21:18:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 21:18:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 21:18:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 21:18:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 21:18:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 21:18:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 21:18:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 21:18:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 21:18:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 21:18:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 21:18:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 21:18:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 21:18:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 21:18:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 21:18:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 21:18:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 21:18:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 21:18:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 21:18:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 21:18:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 21:18:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 21:18:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 21:18:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 21:18:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 21:18:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 21:18:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 21:18:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 21:18:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 21:18:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 21:18:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 21:18:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 21:18:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 21:18:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 21:18:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 21:18:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 21:18:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 21:18:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 21:18:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 21:18:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 21:18:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 21:18:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 21:18:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 21:18:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 21:18:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 21:18:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 21:18:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 21:18:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 21:18:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 21:18:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 21:18:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 21:18:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 21:18:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 21:18:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 21:18:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 21:18:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 21:18:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 21:18:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 21:18:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 21:18:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 21:18:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 21:18:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 21:18:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 21:18:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 21:18:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 21:18:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 21:18:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 21:18:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 21:18:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 21:18:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 21:18:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 21:18:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 21:18:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 21:18:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 21:18:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 21:18:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 21:18:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 21:18:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 21:18:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 21:18:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 21:18:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 21:18:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 21:18:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 21:18:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 21:18:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 21:18:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 21:18:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 21:18:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 21:18:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 21:18:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 21:18:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 21:18:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 21:18:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 21:18:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 21:18:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 21:18:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 21:18:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 21:18:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 21:18:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 21:18:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 21:18:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:18:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 21:18:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 21:18:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 21:18:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 21:18:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 21:18:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 21:18:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 21:18:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 21:18:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 21:18:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 21:18:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 21:18:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 21:18:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 21:18:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 21:18:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 21:18:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 21:18:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 21:18:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 21:18:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 21:18:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 21:18:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 21:18:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:18:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 21:18:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 21:18:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 21:18:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 21:18:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 21:18:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 21:18:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 21:18:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 21:18:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 21:18:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 21:18:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 21:18:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 21:18:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 21:18:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 21:18:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2019-11-26 21:18:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-26 21:18:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 21:18:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 21:18:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 21:18:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 21:18:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 21:18:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 21:18:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:18:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 21:18:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 21:18:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 21:18:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 21:18:45,684 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:18:46,069 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:18:46,468 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 21:18:46,469 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-26 21:18:46,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:18:46 BoogieIcfgContainer [2019-11-26 21:18:46,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 21:18:46,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 21:18:46,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 21:18:46,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 21:18:46,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 09:18:43" (1/3) ... [2019-11-26 21:18:46,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a21203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:18:46, skipping insertion in model container [2019-11-26 21:18:46,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:18:44" (2/3) ... [2019-11-26 21:18:46,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a21203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:18:46, skipping insertion in model container [2019-11-26 21:18:46,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:18:46" (3/3) ... [2019-11-26 21:18:46,482 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2019-11-26 21:18:46,494 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 21:18:46,504 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-26 21:18:46,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-26 21:18:46,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 21:18:46,549 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 21:18:46,549 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 21:18:46,549 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 21:18:46,549 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 21:18:46,550 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 21:18:46,550 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 21:18:46,550 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 21:18:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2019-11-26 21:18:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 21:18:46,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:18:46,588 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:18:46,589 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:18:46,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:18:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2019-11-26 21:18:46,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:18:46,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951348469] [2019-11-26 21:18:46,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 21:18:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:18:46,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 21:18:46,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:18:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:46,949 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:18:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:47,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951348469] [2019-11-26 21:18:47,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:18:47,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:18:47,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763062456] [2019-11-26 21:18:47,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:18:47,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:18:47,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:18:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:18:47,109 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 9 states. [2019-11-26 21:18:47,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:18:47,206 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-26 21:18:47,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:18:47,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-26 21:18:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:18:47,219 INFO L225 Difference]: With dead ends: 35 [2019-11-26 21:18:47,219 INFO L226 Difference]: Without dead ends: 32 [2019-11-26 21:18:47,222 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:18:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-26 21:18:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-26 21:18:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-26 21:18:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-11-26 21:18:47,263 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2019-11-26 21:18:47,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:18:47,264 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-11-26 21:18:47,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:18:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-11-26 21:18:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 21:18:47,265 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:18:47,266 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:18:47,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 21:18:47,478 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:18:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:18:47,479 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2019-11-26 21:18:47,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:18:47,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842694676] [2019-11-26 21:18:47,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 21:18:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:18:47,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 21:18:47,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:18:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:47,870 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:18:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:48,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842694676] [2019-11-26 21:18:48,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:18:48,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-26 21:18:48,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52689503] [2019-11-26 21:18:48,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 21:18:48,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:18:48,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 21:18:48,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-26 21:18:48,332 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2019-11-26 21:18:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:18:48,828 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-11-26 21:18:48,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-26 21:18:48,830 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2019-11-26 21:18:48,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:18:48,835 INFO L225 Difference]: With dead ends: 48 [2019-11-26 21:18:48,836 INFO L226 Difference]: Without dead ends: 48 [2019-11-26 21:18:48,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-26 21:18:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-26 21:18:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2019-11-26 21:18:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-26 21:18:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-11-26 21:18:48,850 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2019-11-26 21:18:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:18:48,852 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-11-26 21:18:48,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 21:18:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-11-26 21:18:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 21:18:48,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:18:48,854 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:18:49,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 21:18:49,067 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:18:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:18:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2019-11-26 21:18:49,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:18:49,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980604479] [2019-11-26 21:18:49,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 21:18:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:18:49,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 21:18:49,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:18:49,261 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:18:49,262 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:18:49,267 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:18:49,268 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:18:49,268 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:18:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:49,353 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:18:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:49,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980604479] [2019-11-26 21:18:49,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:18:49,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:18:49,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909257537] [2019-11-26 21:18:49,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:18:49,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:18:49,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:18:49,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:18:49,482 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2019-11-26 21:18:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:18:49,644 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2019-11-26 21:18:49,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:18:49,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-26 21:18:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:18:49,646 INFO L225 Difference]: With dead ends: 47 [2019-11-26 21:18:49,646 INFO L226 Difference]: Without dead ends: 47 [2019-11-26 21:18:49,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:18:49,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-26 21:18:49,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-26 21:18:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-26 21:18:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2019-11-26 21:18:49,658 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2019-11-26 21:18:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:18:49,658 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2019-11-26 21:18:49,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:18:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2019-11-26 21:18:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 21:18:49,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:18:49,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:18:49,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 21:18:49,870 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:18:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:18:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2019-11-26 21:18:49,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:18:49,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870348026] [2019-11-26 21:18:49,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 21:18:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:18:49,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 21:18:49,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:18:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:50,071 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:18:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:18:50,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870348026] [2019-11-26 21:18:50,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:18:50,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-26 21:18:50,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559670129] [2019-11-26 21:18:50,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:18:50,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:18:50,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:18:50,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:18:50,144 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 9 states. [2019-11-26 21:18:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:18:50,224 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-11-26 21:18:50,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:18:50,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-26 21:18:50,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:18:50,226 INFO L225 Difference]: With dead ends: 48 [2019-11-26 21:18:50,226 INFO L226 Difference]: Without dead ends: 48 [2019-11-26 21:18:50,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:18:50,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-26 21:18:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2019-11-26 21:18:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-26 21:18:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-26 21:18:50,233 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2019-11-26 21:18:50,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:18:50,233 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-26 21:18:50,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:18:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-26 21:18:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 21:18:50,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:18:50,234 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:18:50,435 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 21:18:50,436 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:18:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:18:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2019-11-26 21:18:50,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:18:50,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252386151] [2019-11-26 21:18:50,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 21:18:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 21:18:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 21:18:50,635 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-26 21:18:50,635 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 21:18:50,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 21:18:50,852 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-26 21:18:50,865 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-26 21:18:50,866 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-26 21:18:50,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 09:18:50 BoogieIcfgContainer [2019-11-26 21:18:50,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 21:18:50,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 21:18:50,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 21:18:50,884 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 21:18:50,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:18:46" (3/4) ... [2019-11-26 21:18:50,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 21:18:50,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 21:18:50,896 INFO L168 Benchmark]: Toolchain (without parser) took 7049.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 952.3 MB in the beginning and 956.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 216.0 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:50,897 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:18:50,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:50,899 INFO L168 Benchmark]: Boogie Preprocessor took 121.27 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:50,900 INFO L168 Benchmark]: RCFGBuilder took 1512.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.4 MB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:50,905 INFO L168 Benchmark]: TraceAbstraction took 4410.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 974.4 MB in the beginning and 956.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. [2019-11-26 21:18:50,906 INFO L168 Benchmark]: Witness Printer took 7.63 ms. Allocated memory is still 1.2 GB. Free memory is still 956.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:18:50,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 991.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.27 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1512.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.4 MB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4410.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 974.4 MB in the beginning and 956.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. * Witness Printer took 7.63 ms. Allocated memory is still 1.2 GB. Free memory is still 956.5 MB. 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: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. 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}] [L775] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}] [L761] 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] [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={3:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Result: UNSAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 91 SDslu, 750 SDs, 0 SdLazy, 408 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 11012 SizeOfPredicates, 13 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...