./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.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_test19-1.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 c4aae20e4021ef81b34c3b5e73189099db316119 ............................................................................................................................. 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_test19-1.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 c4aae20e4021ef81b34c3b5e73189099db316119 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:09:07,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:07,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:07,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:07,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:07,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:07,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:07,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:07,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:07,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:07,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:07,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:07,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:07,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:07,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:07,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:07,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:07,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:07,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:07,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:07,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:07,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:07,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:07,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:07,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:07,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:07,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:07,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:07,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:07,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:07,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:07,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:07,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:07,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:07,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:07,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:08,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:08,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:08,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:08,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:08,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:08,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:09:08,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:08,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:08,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:08,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:08,037 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:08,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:08,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:08,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:08,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:08,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:08,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:08,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:08,039 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:08,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:08,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:08,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:08,040 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:08,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:08,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:08,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:08,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:08,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:08,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:08,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:08,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:08,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:09:08,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:09:08,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:08,044 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 -> c4aae20e4021ef81b34c3b5e73189099db316119 [2020-10-19 18:09:08,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:08,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:08,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:08,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:08,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:08,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2020-10-19 18:09:08,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3c52bc4/c2e34bb9595b490dbd3ae881b1397ce5/FLAGf9f681fa1 [2020-10-19 18:09:09,040 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:09,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2020-10-19 18:09:09,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3c52bc4/c2e34bb9595b490dbd3ae881b1397ce5/FLAGf9f681fa1 [2020-10-19 18:09:09,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3c52bc4/c2e34bb9595b490dbd3ae881b1397ce5 [2020-10-19 18:09:09,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:09,312 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:09,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:09,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:09,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:09,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:09" (1/1) ... [2020-10-19 18:09:09,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6dc02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:09, skipping insertion in model container [2020-10-19 18:09:09,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:09" (1/1) ... [2020-10-19 18:09:09,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:09,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:09,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:09,858 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 18:09:09,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40ca429e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:09, skipping insertion in model container [2020-10-19 18:09:09,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:09,859 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:09:09,863 INFO L168 Benchmark]: Toolchain (without parser) took 555.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:09,864 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:09:09,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:09,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 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 18:09:11,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:11,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:11,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:11,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:11,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:11,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:11,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:11,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:11,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:11,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:11,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:11,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:11,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:11,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:11,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:11,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:11,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:11,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:11,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:11,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:11,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:11,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:11,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:11,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:11,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:11,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:11,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:11,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:11,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:11,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:11,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:11,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:11,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:11,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:11,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:11,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:11,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:11,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:11,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:11,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:11,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:09:11,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:11,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:11,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:11,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:11,736 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:11,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:11,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:11,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:11,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:11,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:11,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:11,738 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:11,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:11,738 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:11,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:11,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:11,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:09:11,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:09:11,740 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:11,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:11,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:11,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:11,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:11,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:11,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:11,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:11,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:11,742 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:09:11,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:09:11,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:11,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:09:11,743 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 -> c4aae20e4021ef81b34c3b5e73189099db316119 [2020-10-19 18:09:12,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:12,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:12,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:12,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:12,079 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:12,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2020-10-19 18:09:12,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b27b6ca0/9cee0e3f6e2a4e3795eb783a8dda898a/FLAG2b75305e7 [2020-10-19 18:09:12,674 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:12,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2020-10-19 18:09:12,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b27b6ca0/9cee0e3f6e2a4e3795eb783a8dda898a/FLAG2b75305e7 [2020-10-19 18:09:12,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b27b6ca0/9cee0e3f6e2a4e3795eb783a8dda898a [2020-10-19 18:09:12,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:12,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:12,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:12,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:12,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:12,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:12" (1/1) ... [2020-10-19 18:09:12,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2ca347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:12, skipping insertion in model container [2020-10-19 18:09:13,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:12" (1/1) ... [2020-10-19 18:09:13,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:13,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:13,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:13,624 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:09:13,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:13,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:13,723 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:09:13,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:13,902 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:09:13,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13 WrapperNode [2020-10-19 18:09:13,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:13,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:09:13,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:09:13,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:09:13,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:14,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:09:14,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:09:14,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:09:14,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:09:14,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (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 18:09:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:09:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:09:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:09:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:09:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:09:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:09:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:09:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:09:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:09:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:09:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:09:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:09:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:09:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:09:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:09:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:09:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:09:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:09:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:09:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:09:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:09:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:09:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:09:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:09:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:09:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:09:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:09:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:09:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:09:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:09:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:09:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:09:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:09:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:09:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:09:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:09:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2020-10-19 18:09:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2020-10-19 18:09:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2020-10-19 18:09:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_19 [2020-10-19 18:09:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2020-10-19 18:09:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:09:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:09:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:09:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:09:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:09:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:09:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:09:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:09:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:09:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:09:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:09:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:09:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:09:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:09:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:09:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:09:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:09:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:09:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:09:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:09:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:09:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:09:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:09:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:09:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:09:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:09:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:09:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:09:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:09:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:09:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:09:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:09:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:09:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:09:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:09:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:09:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:09:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:09:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:09:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:09:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:09:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:09:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:09:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:09:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:09:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:09:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:09:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:09:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:09:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:09:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:09:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:09:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:09:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:09:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:09:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:09:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:09:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:09:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:09:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:09:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:09:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:09:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:09:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:09:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:09:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:09:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:09:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:09:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:09:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:09:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:09:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:09:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:09:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:09:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:09:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:09:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:09:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:09:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:09:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:09:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:09:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:09:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:09:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:09:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:09:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:09:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:09:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:09:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:09:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:09:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:09:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:09:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:09:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:09:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:09:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:09:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:09:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:09:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:09:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:09:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:09:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:09:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:09:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:09:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:09:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:09:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:09:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:09:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:09:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:09:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:09:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:09:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:09:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:09:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:09:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:09:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:09:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure probe_19 [2020-10-19 18:09:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2020-10-19 18:09:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:09:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:09:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:09:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:09:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:09:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:09:14,891 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:15,202 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:15,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:09:15,498 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:09:15,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:15 BoogieIcfgContainer [2020-10-19 18:09:15,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:09:15,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:09:15,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:09:15,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:09:15,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:09:12" (1/3) ... [2020-10-19 18:09:15,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938c205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:15, skipping insertion in model container [2020-10-19 18:09:15,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13" (2/3) ... [2020-10-19 18:09:15,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938c205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:15, skipping insertion in model container [2020-10-19 18:09:15,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:15" (3/3) ... [2020-10-19 18:09:15,510 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test19-1.i [2020-10-19 18:09:15,524 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:09:15,533 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2020-10-19 18:09:15,547 INFO L253 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2020-10-19 18:09:15,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:09:15,568 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:09:15,568 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:09:15,568 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:09:15,568 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:09:15,568 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:09:15,568 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:09:15,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:09:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-19 18:09:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:09:15,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:15,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:15,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err4REQUIRES_VIOLATION]=== [2020-10-19 18:09:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1164629906, now seen corresponding path program 1 times [2020-10-19 18:09:15,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:15,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278364367] [2020-10-19 18:09:15,620 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 18:09:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:15,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:09:15,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:15,904 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 18:09:15,905 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:15,913 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:15,913 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:15,914 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:09:16,014 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:16,014 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-10-19 18:09:16,016 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:16,040 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-10-19 18:09:16,042 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:09:16,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-10-19 18:09:16,056 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 18:09:16,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:16,174 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 18:09:16,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278364367] [2020-10-19 18:09:16,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:16,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 7 [2020-10-19 18:09:16,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135242928] [2020-10-19 18:09:16,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:09:16,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:16,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:09:16,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:09:16,206 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 8 states. [2020-10-19 18:09:37,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:37,640 INFO L93 Difference]: Finished difference Result 176 states and 202 transitions. [2020-10-19 18:09:37,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-19 18:09:37,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-19 18:09:37,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:37,665 INFO L225 Difference]: With dead ends: 176 [2020-10-19 18:09:37,666 INFO L226 Difference]: Without dead ends: 173 [2020-10-19 18:09:37,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=65, Invalid=169, Unknown=6, NotChecked=0, Total=240 [2020-10-19 18:09:37,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-19 18:09:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 100. [2020-10-19 18:09:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-19 18:09:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-10-19 18:09:37,731 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 15 [2020-10-19 18:09:37,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:37,732 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-10-19 18:09:37,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:09:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-10-19 18:09:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:09:37,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:37,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:37,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:09:37,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err4REQUIRES_VIOLATION]=== [2020-10-19 18:09:37,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:37,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1164629905, now seen corresponding path program 1 times [2020-10-19 18:09:37,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:37,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36406019] [2020-10-19 18:09:37,950 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 18:09:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:38,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 18:09:38,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:38,126 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 18:09:38,127 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:38,136 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:38,142 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 18:09:38,142 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:38,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:38,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:38,153 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-19 18:09:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:09:40,323 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-10-19 18:09:40,324 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,354 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,354 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-10-19 18:09:40,355 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36406019] [2020-10-19 18:09:40,372 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:09:40,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1348698236] [2020-10-19 18:09:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:09:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:40,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:09:40,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:40,658 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 18:09:40,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,669 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,669 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-10-19 18:09:40,784 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-10-19 18:09:40,785 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:09:40,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417239657] [2020-10-19 18:09:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:09:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:40,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 18:09:40,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:40,918 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 18:09:40,918 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,939 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 18:09:40,940 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:40,950 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:40,950 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-19 18:09:41,029 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:41,029 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-10-19 18:09:41,030 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:41,045 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:41,051 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-10-19 18:09:41,052 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:41,065 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:41,066 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:09:41,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:41,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:09:41,066 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:09:41,067 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:09:41,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:09:41,688 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:09:41,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:09:41 BoogieIcfgContainer [2020-10-19 18:09:41,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:09:41,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:09:41,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:09:41,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:09:41,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:15" (3/4) ... [2020-10-19 18:09:41,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:09:41,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:09:41,694 INFO L168 Benchmark]: Toolchain (without parser) took 28712.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 961.3 MB in the beginning and 1.0 GB in the end (delta: -46.7 MB). Peak memory consumption was 154.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:41,695 INFO L168 Benchmark]: CDTParser took 0.26 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 18:09:41,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:41,696 INFO L168 Benchmark]: Boogie Preprocessor took 98.75 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 18:09:41,697 INFO L168 Benchmark]: RCFGBuilder took 1495.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:41,698 INFO L168 Benchmark]: TraceAbstraction took 26186.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 959.4 MB in the beginning and 1.0 GB in the end (delta: -48.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:41,698 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:09:41,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 915.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.75 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 1495.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.4 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26186.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 959.4 MB in the beginning and 1.0 GB in the end (delta: -48.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L805] CALL entry_point() [L798] struct A19 a19; [L799] CALL probe_19(&a19) [L774] int ret = - -3; [L775] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L775] RET, EXPR ldv_malloc(sizeof(int)) [L775] a->q = (int *)ldv_malloc(sizeof(int)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 401 locations, 94 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 26.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 246 SDslu, 275 SDs, 0 SdLazy, 302 SolverSat, 70 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 6 QuantifiedInterpolants, 1792 SizeOfPredicates, 3 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...