./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_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 0.1.25-906a4fb [2020-10-19 18:08:17,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:17,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:17,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:17,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:17,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:17,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:17,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:17,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:17,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:17,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:17,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:17,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:17,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:17,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:17,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:17,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:17,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:17,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:17,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:17,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:17,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:17,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:17,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:17,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:17,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:17,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:17,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:17,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:17,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:17,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:17,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:17,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:17,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:17,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:17,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:17,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:17,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:17,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:17,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:17,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:17,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:08:18,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:18,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:18,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:18,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:18,009 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:18,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:18,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:18,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:18,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:18,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:18,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:18,011 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:18,012 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:18,012 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:18,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:18,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:18,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:18,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:18,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:18,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:18,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:18,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:18,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:18,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:18,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:18,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:08:18,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:08:18,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:18,017 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 [2020-10-19 18:08:18,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:18,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:18,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:18,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:18,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:18,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-19 18:08:18,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8837ea7/d9557f7ede874e3498b018898433ba68/FLAG000ca152e [2020-10-19 18:08:18,922 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:18,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-19 18:08:18,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8837ea7/d9557f7ede874e3498b018898433ba68/FLAG000ca152e [2020-10-19 18:08:19,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8837ea7/d9557f7ede874e3498b018898433ba68 [2020-10-19 18:08:19,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:19,248 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:19,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:19,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:19,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:19,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:19" (1/1) ... [2020-10-19 18:08:19,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3473950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:19, skipping insertion in model container [2020-10-19 18:08:19,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:19" (1/1) ... [2020-10-19 18:08:19,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:19,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:19,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:19,815 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 18:08:19,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11e8e3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:19, skipping insertion in model container [2020-10-19 18:08:19,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:19,817 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:08:19,819 INFO L168 Benchmark]: Toolchain (without parser) took 576.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:19,820 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:19,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:19,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 566.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:08:21,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:21,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:21,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:21,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:21,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:21,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:21,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:21,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:21,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:21,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:21,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:21,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:21,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:21,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:21,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:21,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:21,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:21,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:21,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:21,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:21,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:21,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:21,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:21,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:21,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:21,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:21,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:21,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:21,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:21,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:21,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:21,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:21,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:21,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:21,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:21,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:21,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:21,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:21,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:21,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:21,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:08:21,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:21,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:21,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:21,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:21,626 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:21,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:21,626 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:21,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:21,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:21,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:21,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:21,627 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:21,627 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:21,627 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:21,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:21,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:21,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:08:21,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:08:21,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:21,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:21,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:21,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:21,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:21,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:21,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:21,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:21,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:21,630 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:08:21,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:08:21,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:21,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:08:21,631 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 [2020-10-19 18:08:21,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:21,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:21,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:21,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:21,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:21,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-19 18:08:22,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77d6a74a/dcbf0d1a15134fc688fd06eb4a344007/FLAG89995db53 [2020-10-19 18:08:22,585 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:22,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-19 18:08:22,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77d6a74a/dcbf0d1a15134fc688fd06eb4a344007/FLAG89995db53 [2020-10-19 18:08:22,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77d6a74a/dcbf0d1a15134fc688fd06eb4a344007 [2020-10-19 18:08:22,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:22,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:22,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:22,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:22,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:22,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:22" (1/1) ... [2020-10-19 18:08:22,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c1e1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:22, skipping insertion in model container [2020-10-19 18:08:22,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:22" (1/1) ... [2020-10-19 18:08:22,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:22,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:23,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:23,512 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:08:23,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:23,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:23,574 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:08:23,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:23,752 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:08:23,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23 WrapperNode [2020-10-19 18:08:23,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:23,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:08:23,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:08:23,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:08:23,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... [2020-10-19 18:08:23,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:08:23,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:08:23,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:08:23,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:08:23,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:08:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:08:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:08:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:08:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:08:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:08:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:08:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:08:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:08:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:08:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:08:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:08:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:08:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:08:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:08:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:08:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:08:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:08:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:08:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:08:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:08:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:08:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:08:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:08:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:08:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:08:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:08:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:08:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:08:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:08:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:08:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:08:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:08:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:08:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:08:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:08:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:08:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:08:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:08:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:08:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:08:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:08:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:08:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:08:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:08:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:08:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:08:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:08:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:08:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:08:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:08:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:08:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:08:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:08:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:08:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:08:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:08:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:08:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:08:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:08:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:08:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:08:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:08:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:08:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:08:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:08:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:08:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:08:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:08:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:08:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2020-10-19 18:08:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:08:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:08:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:08:24,666 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:25,017 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:25,326 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:08:25,327 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:08:25,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:25 BoogieIcfgContainer [2020-10-19 18:08:25,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:08:25,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:08:25,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:08:25,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:08:25,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:08:22" (1/3) ... [2020-10-19 18:08:25,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c44c6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:25, skipping insertion in model container [2020-10-19 18:08:25,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:23" (2/3) ... [2020-10-19 18:08:25,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c44c6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:25, skipping insertion in model container [2020-10-19 18:08:25,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:25" (3/3) ... [2020-10-19 18:08:25,339 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2020-10-19 18:08:25,351 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:08:25,359 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:08:25,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:08:25,388 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:08:25,388 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:08:25,388 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:08:25,388 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:08:25,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:08:25,388 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:08:25,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:08:25,389 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:08:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-10-19 18:08:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:08:25,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:25,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:25,418 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __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]=== [2020-10-19 18:08:25,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:25,425 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2020-10-19 18:08:25,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:25,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023282044] [2020-10-19 18:08:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 18:08:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:25,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:08:25,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:25,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:25,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023282044] [2020-10-19 18:08:25,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:25,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-19 18:08:25,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802190884] [2020-10-19 18:08:25,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:08:25,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:26,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:08:26,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:08:26,017 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 9 states. [2020-10-19 18:08:26,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:26,104 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-10-19 18:08:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:08:26,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-19 18:08:26,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:26,118 INFO L225 Difference]: With dead ends: 35 [2020-10-19 18:08:26,118 INFO L226 Difference]: Without dead ends: 32 [2020-10-19 18:08:26,121 INFO L677 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 [2020-10-19 18:08:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-19 18:08:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-19 18:08:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-19 18:08:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-19 18:08:26,167 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2020-10-19 18:08:26,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:26,168 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-19 18:08:26,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:08:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-19 18:08:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:08:26,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:26,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:26,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:08:26,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __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]=== [2020-10-19 18:08:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:26,384 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2020-10-19 18:08:26,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:26,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212958355] [2020-10-19 18:08:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 18:08:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-19 18:08:26,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:26,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:27,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212958355] [2020-10-19 18:08:27,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:27,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-10-19 18:08:27,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158036924] [2020-10-19 18:08:27,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-19 18:08:27,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:27,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-19 18:08:27,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-19 18:08:27,120 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2020-10-19 18:08:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:27,569 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-19 18:08:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-19 18:08:27,571 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2020-10-19 18:08:27,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:27,575 INFO L225 Difference]: With dead ends: 48 [2020-10-19 18:08:27,575 INFO L226 Difference]: Without dead ends: 48 [2020-10-19 18:08:27,577 INFO L677 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 [2020-10-19 18:08:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-19 18:08:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2020-10-19 18:08:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-19 18:08:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-10-19 18:08:27,590 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2020-10-19 18:08:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:27,591 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-10-19 18:08:27,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-19 18:08:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-10-19 18:08:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:08:27,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:27,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:27,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:08:27,806 INFO L429 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]=== [2020-10-19 18:08:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:27,807 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2020-10-19 18:08:27,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:27,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484851851] [2020-10-19 18:08:27,809 INFO L95 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 [2020-10-19 18:08:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:27,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-19 18:08:27,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:27,988 INFO L384 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 [2020-10-19 18:08:27,988 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:27,991 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:27,992 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:27,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:08:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:28,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:28,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484851851] [2020-10-19 18:08:28,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:28,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-19 18:08:28,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634325198] [2020-10-19 18:08:28,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:08:28,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:28,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:08:28,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:08:28,205 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2020-10-19 18:08:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:28,332 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-10-19 18:08:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:08:28,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-19 18:08:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:28,334 INFO L225 Difference]: With dead ends: 47 [2020-10-19 18:08:28,335 INFO L226 Difference]: Without dead ends: 47 [2020-10-19 18:08:28,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:08:28,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-19 18:08:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-19 18:08:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-19 18:08:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2020-10-19 18:08:28,346 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2020-10-19 18:08:28,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:28,346 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2020-10-19 18:08:28,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:08:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2020-10-19 18:08:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:08:28,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:28,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:28,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:08:28,561 INFO L429 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]=== [2020-10-19 18:08:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:28,562 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2020-10-19 18:08:28,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:28,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811136287] [2020-10-19 18:08:28,565 INFO L95 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 [2020-10-19 18:08:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:28,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:08:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:28,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:28,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811136287] [2020-10-19 18:08:28,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:28,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-19 18:08:28,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292334275] [2020-10-19 18:08:28,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:08:28,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:28,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:08:28,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:08:28,848 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 9 states. [2020-10-19 18:08:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:28,928 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-19 18:08:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:08:28,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-19 18:08:28,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:28,930 INFO L225 Difference]: With dead ends: 48 [2020-10-19 18:08:28,930 INFO L226 Difference]: Without dead ends: 48 [2020-10-19 18:08:28,930 INFO L677 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 [2020-10-19 18:08:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-19 18:08:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2020-10-19 18:08:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-19 18:08:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-19 18:08:28,939 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2020-10-19 18:08:28,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:28,939 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-19 18:08:28,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:08:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-19 18:08:28,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-19 18:08:28,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:28,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:29,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:08:29,152 INFO L429 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]=== [2020-10-19 18:08:29,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:29,153 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2020-10-19 18:08:29,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:29,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491735473] [2020-10-19 18:08:29,154 INFO L95 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 [2020-10-19 18:08:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:08:29,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:08:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:08:29,291 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:08:29,321 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 18:08:29,322 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:08:29,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:08:29,542 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-19 18:08:29,548 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:08:29,549 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-19 18:08:29,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:08:29 BoogieIcfgContainer [2020-10-19 18:08:29,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:08:29,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:08:29,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:08:29,565 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:08:29,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:25" (3/4) ... [2020-10-19 18:08:29,571 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:08:29,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:08:29,576 INFO L168 Benchmark]: Toolchain (without parser) took 6720.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 955.9 MB in the beginning and 951.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:29,577 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:29,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:29,579 INFO L168 Benchmark]: Boogie Preprocessor took 98.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:29,579 INFO L168 Benchmark]: RCFGBuilder took 1477.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:29,583 INFO L168 Benchmark]: TraceAbstraction took 4233.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 973.7 MB in the beginning and 951.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:29,583 INFO L168 Benchmark]: Witness Printer took 6.12 ms. Allocated memory is still 1.3 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:29,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 894.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1477.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4233.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 973.7 MB in the beginning and 951.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.12 ms. Allocated memory is still 1.3 GB. Free memory is still 951.1 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 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 91 SDslu, 750 SDs, 0 SdLazy, 408 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 144 SyntacticMatches, 2 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, 11104 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...