./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash ce82bd2068c431a8a58717550c5ca3a1f22bb267 .......................................................................................................................... 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/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash ce82bd2068c431a8a58717550c5ca3a1f22bb267 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:27:28,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:27:28,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:27:28,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:27:28,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:27:28,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:27:28,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:27:28,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:27:28,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:27:28,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:27:28,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:27:28,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:27:28,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:27:28,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:27:28,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:27:28,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:27:28,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:27:28,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:27:28,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:27:28,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:27:28,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:27:28,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:27:28,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:27:28,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:27:28,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:27:28,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:27:28,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:27:28,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:27:28,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:27:28,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:27:28,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:27:28,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:27:28,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:27:28,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:27:28,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:27:28,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:27:28,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:27:28,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:27:28,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:27:28,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:27:28,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:27:28,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-19 18:27:28,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:27:28,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:27:28,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:27:28,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:27:28,856 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:27:28,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:27:28,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:27:28,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:27:28,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:27:28,857 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:27:28,858 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:27:28,858 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:27:28,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:27:28,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:27:28,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:27:28,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:27:28,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:27:28,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:27:28,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:27:28,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:27:28,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:27:28,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:27:28,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:27:28,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:27:28,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:27:28,863 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce82bd2068c431a8a58717550c5ca3a1f22bb267 [2020-10-19 18:27:29,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:27:29,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:27:29,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:27:29,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:27:29,189 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:27:29,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-10-19 18:27:29,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8131da121/513774d6c4da48ec80c5d16a36272d7d/FLAGa440024c5 [2020-10-19 18:27:29,818 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:27:29,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-10-19 18:27:29,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8131da121/513774d6c4da48ec80c5d16a36272d7d/FLAGa440024c5 [2020-10-19 18:27:30,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8131da121/513774d6c4da48ec80c5d16a36272d7d [2020-10-19 18:27:30,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:27:30,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:27:30,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:30,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:27:30,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:27:30,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:30" (1/1) ... [2020-10-19 18:27:30,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124eb975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:30, skipping insertion in model container [2020-10-19 18:27:30,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:30" (1/1) ... [2020-10-19 18:27:30,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:27:30,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:27:31,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:27:31,022 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 18:27:31,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@350f9765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:31, skipping insertion in model container [2020-10-19 18:27:31,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:31,023 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:27:31,027 INFO L168 Benchmark]: Toolchain (without parser) took 936.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:31,028 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:27:31,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 927.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:31,031 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 927.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1515]: 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 18:27:32,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:27:32,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:27:32,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:27:32,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:27:32,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:27:32,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:27:32,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:27:32,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:27:32,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:27:32,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:27:32,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:27:32,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:27:32,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:27:32,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:27:32,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:27:32,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:27:32,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:27:32,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:27:32,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:27:32,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:27:32,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:27:32,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:27:32,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:27:32,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:27:32,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:27:32,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:27:32,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:27:32,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:27:32,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:27:32,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:27:32,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:27:32,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:27:32,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:27:32,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:27:32,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:27:32,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:27:32,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:27:32,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:27:32,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:27:32,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:27:32,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-19 18:27:32,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:27:32,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:27:32,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:27:32,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:27:32,931 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:27:32,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:27:32,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:27:32,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:27:32,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:27:32,932 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:27:32,932 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:27:32,933 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:27:32,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:27:32,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:27:32,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:27:32,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:27:32,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:27:32,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:27:32,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:27:32,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:27:32,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:27:32,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:27:32,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:27:32,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:27:32,936 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:27:32,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:27:32,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:27:32,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:27:32,937 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce82bd2068c431a8a58717550c5ca3a1f22bb267 [2020-10-19 18:27:33,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:27:33,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:27:33,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:27:33,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:27:33,300 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:27:33,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-10-19 18:27:33,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3339b7df6/e3c6405bba66466ebcf0649400cdaf62/FLAGaae5a0d8c [2020-10-19 18:27:33,952 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:27:33,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2020-10-19 18:27:33,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3339b7df6/e3c6405bba66466ebcf0649400cdaf62/FLAGaae5a0d8c [2020-10-19 18:27:34,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3339b7df6/e3c6405bba66466ebcf0649400cdaf62 [2020-10-19 18:27:34,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:27:34,210 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:27:34,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:34,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:27:34,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:27:34,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:34" (1/1) ... [2020-10-19 18:27:34,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2382e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:34, skipping insertion in model container [2020-10-19 18:27:34,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:34" (1/1) ... [2020-10-19 18:27:34,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:27:34,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:27:35,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:27:35,059 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:27:35,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:27:35,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:27:35,158 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:27:35,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:27:35,473 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:27:35,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35 WrapperNode [2020-10-19 18:27:35,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:35,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:27:35,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:27:35,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:27:35,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (1/1) ... [2020-10-19 18:27:35,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:27:35,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:27:35,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:27:35,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:27:35,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (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 18:27:35,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:27:35,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:27:35,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:27:35,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-19 18:27:35,785 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-19 18:27:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:27:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:27:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2020-10-19 18:27:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-19 18:27:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2020-10-19 18:27:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2020-10-19 18:27:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2020-10-19 18:27:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2020-10-19 18:27:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2020-10-19 18:27:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2020-10-19 18:27:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2020-10-19 18:27:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2020-10-19 18:27:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2020-10-19 18:27:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2020-10-19 18:27:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2020-10-19 18:27:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2020-10-19 18:27:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:27:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-19 18:27:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-19 18:27:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:27:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-19 18:27:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-19 18:27:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-19 18:27:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:27:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-19 18:27:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-19 18:27:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-19 18:27:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-19 18:27:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-19 18:27:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:27:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:27:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:27:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2020-10-19 18:27:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2020-10-19 18:27:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2020-10-19 18:27:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2020-10-19 18:27:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2020-10-19 18:27:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2020-10-19 18:27:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2020-10-19 18:27:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2020-10-19 18:27:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2020-10-19 18:27:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2020-10-19 18:27:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2020-10-19 18:27:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-10-19 18:27:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2020-10-19 18:27:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2020-10-19 18:27:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2020-10-19 18:27:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2020-10-19 18:27:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2020-10-19 18:27:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-10-19 18:27:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2020-10-19 18:27:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2020-10-19 18:27:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2020-10-19 18:27:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2020-10-19 18:27:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2020-10-19 18:27:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2020-10-19 18:27:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2020-10-19 18:27:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2020-10-19 18:27:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2020-10-19 18:27:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2020-10-19 18:27:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2020-10-19 18:27:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2020-10-19 18:27:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2020-10-19 18:27:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2020-10-19 18:27:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2020-10-19 18:27:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2020-10-19 18:27:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2020-10-19 18:27:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2020-10-19 18:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2020-10-19 18:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2020-10-19 18:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2020-10-19 18:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2020-10-19 18:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-19 18:27:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-19 18:27:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:27:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-19 18:27:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-19 18:27:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-19 18:27:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-19 18:27:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-19 18:27:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-19 18:27:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-19 18:27:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-19 18:27:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-19 18:27:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-19 18:27:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-19 18:27:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-19 18:27:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-19 18:27:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-19 18:27:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-19 18:27:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-19 18:27:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-19 18:27:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-19 18:27:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-19 18:27:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-19 18:27:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-19 18:27:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-19 18:27:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-19 18:27:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-19 18:27:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-19 18:27:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-19 18:27:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-19 18:27:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-19 18:27:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2020-10-19 18:27:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-19 18:27:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-19 18:27:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-19 18:27:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-19 18:27:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-19 18:27:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-19 18:27:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-19 18:27:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-19 18:27:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-19 18:27:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-19 18:27:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-19 18:27:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-19 18:27:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-19 18:27:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-19 18:27:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure access [2020-10-19 18:27:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2020-10-19 18:27:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2020-10-19 18:27:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure close [2020-10-19 18:27:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-19 18:27:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-19 18:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2020-10-19 18:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2020-10-19 18:27:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2020-10-19 18:27:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2020-10-19 18:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2020-10-19 18:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2020-10-19 18:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2020-10-19 18:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2020-10-19 18:27:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2020-10-19 18:27:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2020-10-19 18:27:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2020-10-19 18:27:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2020-10-19 18:27:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2020-10-19 18:27:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2020-10-19 18:27:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2020-10-19 18:27:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2020-10-19 18:27:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2020-10-19 18:27:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2020-10-19 18:27:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2020-10-19 18:27:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2020-10-19 18:27:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2020-10-19 18:27:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2020-10-19 18:27:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2020-10-19 18:27:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2020-10-19 18:27:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2020-10-19 18:27:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2020-10-19 18:27:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2020-10-19 18:27:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2020-10-19 18:27:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2020-10-19 18:27:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2020-10-19 18:27:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2020-10-19 18:27:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2020-10-19 18:27:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2020-10-19 18:27:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2020-10-19 18:27:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2020-10-19 18:27:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2020-10-19 18:27:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2020-10-19 18:27:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2020-10-19 18:27:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2020-10-19 18:27:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2020-10-19 18:27:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2020-10-19 18:27:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2020-10-19 18:27:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2020-10-19 18:27:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2020-10-19 18:27:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2020-10-19 18:27:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2020-10-19 18:27:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2020-10-19 18:27:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2020-10-19 18:27:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2020-10-19 18:27:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2020-10-19 18:27:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2020-10-19 18:27:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2020-10-19 18:27:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2020-10-19 18:27:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2020-10-19 18:27:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2020-10-19 18:27:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2020-10-19 18:27:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2020-10-19 18:27:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure link [2020-10-19 18:27:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2020-10-19 18:27:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2020-10-19 18:27:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2020-10-19 18:27:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2020-10-19 18:27:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2020-10-19 18:27:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2020-10-19 18:27:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2020-10-19 18:27:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2020-10-19 18:27:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2020-10-19 18:27:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2020-10-19 18:27:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2020-10-19 18:27:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2020-10-19 18:27:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2020-10-19 18:27:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2020-10-19 18:27:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2020-10-19 18:27:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2020-10-19 18:27:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2020-10-19 18:27:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2020-10-19 18:27:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2020-10-19 18:27:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2020-10-19 18:27:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2020-10-19 18:27:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2020-10-19 18:27:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2020-10-19 18:27:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2020-10-19 18:27:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2020-10-19 18:27:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2020-10-19 18:27:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2020-10-19 18:27:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2020-10-19 18:27:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2020-10-19 18:27:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2020-10-19 18:27:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2020-10-19 18:27:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2020-10-19 18:27:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2020-10-19 18:27:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2020-10-19 18:27:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2020-10-19 18:27:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2020-10-19 18:27:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2020-10-19 18:27:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2020-10-19 18:27:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2020-10-19 18:27:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2020-10-19 18:27:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:27:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:27:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:27:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:27:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:27:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:27:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:27:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:27:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:27:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:27:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:27:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:27:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:27:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:27:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:27:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:27:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:27:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:27:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:27:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:27:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:27:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:27:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:27:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:27:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:27:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:27:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:27:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:27:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:27:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:27:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:27:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:27:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:27:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:27:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:27:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:27:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:27:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:27:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:27:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:27:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:27:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:27:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:27:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:27:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:27:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:27:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:27:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:27:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:27:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:27:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:27:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:27:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:27:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:27:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:27:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:27:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:27:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:27:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:27:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:27:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:27:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:27:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:27:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:27:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:27:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:27:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:27:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:27:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:27:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:27:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:27:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:27:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:27:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:27:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:27:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:27:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:27:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:27:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:27:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:27:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:27:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:27:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:27:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:27:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:27:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:27:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:27:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:27:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:27:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:27:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:27:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:27:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:27:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:27:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2020-10-19 18:27:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2020-10-19 18:27:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2020-10-19 18:27:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2020-10-19 18:27:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2020-10-19 18:27:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2020-10-19 18:27:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2020-10-19 18:27:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2020-10-19 18:27:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2020-10-19 18:27:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure login [2020-10-19 18:27:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2020-10-19 18:27:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2020-10-19 18:27:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2020-10-19 18:27:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2020-10-19 18:27:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2020-10-19 18:27:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2020-10-19 18:27:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2020-10-19 18:27:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2020-10-19 18:27:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2020-10-19 18:27:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2020-10-19 18:27:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2020-10-19 18:27:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2020-10-19 18:27:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2020-10-19 18:27:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2020-10-19 18:27:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2020-10-19 18:27:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2020-10-19 18:27:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2020-10-19 18:27:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2020-10-19 18:27:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2020-10-19 18:27:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2020-10-19 18:27:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-19 18:27:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:27:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-19 18:27:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-19 18:27:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:27:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:27:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-10-19 18:27:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2020-10-19 18:27:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:27:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:27:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:27:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:27:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:27:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-19 18:27:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-10-19 18:27:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:27:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:27:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-10-19 18:27:38,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:27:38,778 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-19 18:27:38,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:27:38 BoogieIcfgContainer [2020-10-19 18:27:38,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:27:38,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:27:38,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:27:38,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:27:38,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:27:34" (1/3) ... [2020-10-19 18:27:38,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cad2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:27:38, skipping insertion in model container [2020-10-19 18:27:38,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:35" (2/3) ... [2020-10-19 18:27:38,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cad2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:27:38, skipping insertion in model container [2020-10-19 18:27:38,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:27:38" (3/3) ... [2020-10-19 18:27:38,791 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2020-10-19 18:27:38,803 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:27:38,811 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 138 error locations. [2020-10-19 18:27:38,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2020-10-19 18:27:38,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:27:38,847 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:27:38,847 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:27:38,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:27:38,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:27:38,848 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:27:38,848 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:27:38,848 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:27:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-10-19 18:27:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:27:38,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:38,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:38,891 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:38,898 INFO L82 PathProgramCache]: Analyzing trace with hash -428557674, now seen corresponding path program 1 times [2020-10-19 18:27:38,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:38,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125773998] [2020-10-19 18:27:38,915 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 18:27:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:27:39,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:27:39,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:39,402 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 18:27:39,403 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:39,413 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:27:39,413 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:27:39,414 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:27:39,426 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 18:27:39,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:27:39,467 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 18:27:39,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125773998] [2020-10-19 18:27:39,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:27:39,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:27:39,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926151139] [2020-10-19 18:27:39,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:27:39,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:27:39,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:27:39,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:27:39,500 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 3 states. [2020-10-19 18:27:40,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:27:40,104 INFO L93 Difference]: Finished difference Result 290 states and 326 transitions. [2020-10-19 18:27:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:27:40,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-19 18:27:40,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:27:40,120 INFO L225 Difference]: With dead ends: 290 [2020-10-19 18:27:40,120 INFO L226 Difference]: Without dead ends: 287 [2020-10-19 18:27:40,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:27:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-19 18:27:40,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 271. [2020-10-19 18:27:40,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-19 18:27:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 306 transitions. [2020-10-19 18:27:40,211 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 306 transitions. Word has length 7 [2020-10-19 18:27:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:27:40,213 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 306 transitions. [2020-10-19 18:27:40,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:27:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 306 transitions. [2020-10-19 18:27:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-19 18:27:40,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:40,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:40,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:27:40,429 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:40,430 INFO L82 PathProgramCache]: Analyzing trace with hash -428557673, now seen corresponding path program 1 times [2020-10-19 18:27:40,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:40,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182007676] [2020-10-19 18:27:40,432 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 18:27:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:27:40,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:27:40,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:40,745 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 18:27:40,746 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:40,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:27:40,758 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:27:40,758 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:27:40,771 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 18:27:40,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:27:40,850 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 18:27:40,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182007676] [2020-10-19 18:27:40,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:27:40,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-19 18:27:40,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504592001] [2020-10-19 18:27:40,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 18:27:40,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:27:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 18:27:40,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:27:40,856 INFO L87 Difference]: Start difference. First operand 271 states and 306 transitions. Second operand 4 states. [2020-10-19 18:27:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:27:42,333 INFO L93 Difference]: Finished difference Result 270 states and 305 transitions. [2020-10-19 18:27:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:27:42,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-19 18:27:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:27:42,338 INFO L225 Difference]: With dead ends: 270 [2020-10-19 18:27:42,338 INFO L226 Difference]: Without dead ends: 270 [2020-10-19 18:27:42,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 18:27:42,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-19 18:27:42,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-10-19 18:27:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-19 18:27:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2020-10-19 18:27:42,361 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2020-10-19 18:27:42,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:27:42,362 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2020-10-19 18:27:42,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 18:27:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2020-10-19 18:27:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-19 18:27:42,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:42,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:42,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:27:42,576 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:42,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1776637380, now seen corresponding path program 1 times [2020-10-19 18:27:42,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:42,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141060258] [2020-10-19 18:27:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 18:27:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:27:42,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 18:27:42,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:42,848 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 18:27:42,849 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:42,859 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:27:42,860 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:27:42,860 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:27:42,894 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 18:27:42,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:27:43,065 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 18:27:43,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141060258] [2020-10-19 18:27:43,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:27:43,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-19 18:27:43,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748275522] [2020-10-19 18:27:43,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 18:27:43,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:27:43,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:27:43,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:27:43,067 INFO L87 Difference]: Start difference. First operand 270 states and 305 transitions. Second operand 6 states. [2020-10-19 18:27:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:27:44,840 INFO L93 Difference]: Finished difference Result 283 states and 320 transitions. [2020-10-19 18:27:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:27:44,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-19 18:27:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:27:44,844 INFO L225 Difference]: With dead ends: 283 [2020-10-19 18:27:44,844 INFO L226 Difference]: Without dead ends: 283 [2020-10-19 18:27:44,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:27:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-19 18:27:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 276. [2020-10-19 18:27:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-19 18:27:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 312 transitions. [2020-10-19 18:27:44,866 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 312 transitions. Word has length 10 [2020-10-19 18:27:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:27:44,866 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 312 transitions. [2020-10-19 18:27:44,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 18:27:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 312 transitions. [2020-10-19 18:27:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-19 18:27:44,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:44,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:45,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:27:45,084 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1964333114, now seen corresponding path program 1 times [2020-10-19 18:27:45,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:45,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169301582] [2020-10-19 18:27:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-19 18:27:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:27:45,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 18:27:45,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:27:45,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:27:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:27:45,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169301582] [2020-10-19 18:27:45,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:27:45,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-19 18:27:45,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179316332] [2020-10-19 18:27:45,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 18:27:45,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:27:45,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 18:27:45,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-19 18:27:45,534 INFO L87 Difference]: Start difference. First operand 276 states and 312 transitions. Second operand 6 states. [2020-10-19 18:27:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:27:45,649 INFO L93 Difference]: Finished difference Result 284 states and 319 transitions. [2020-10-19 18:27:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:27:45,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-19 18:27:45,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:27:45,652 INFO L225 Difference]: With dead ends: 284 [2020-10-19 18:27:45,652 INFO L226 Difference]: Without dead ends: 284 [2020-10-19 18:27:45,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:27:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-19 18:27:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 283. [2020-10-19 18:27:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-19 18:27:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 319 transitions. [2020-10-19 18:27:45,665 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 319 transitions. Word has length 15 [2020-10-19 18:27:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:27:45,666 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 319 transitions. [2020-10-19 18:27:45,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 18:27:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 319 transitions. [2020-10-19 18:27:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:27:45,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:45,667 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:45,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:27:45,881 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 567675210, now seen corresponding path program 1 times [2020-10-19 18:27:45,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:45,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144912888] [2020-10-19 18:27:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-19 18:27:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:27:46,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:27:46,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:46,249 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 18:27:46,250 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:46,260 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:27:46,260 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:27:46,260 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:27:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:27:46,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:27:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:27:46,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144912888] [2020-10-19 18:27:46,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:27:46,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-19 18:27:46,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799770543] [2020-10-19 18:27:46,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-19 18:27:46,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:27:46,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 18:27:46,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-19 18:27:46,805 INFO L87 Difference]: Start difference. First operand 283 states and 319 transitions. Second operand 10 states. [2020-10-19 18:27:50,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:27:50,017 INFO L93 Difference]: Finished difference Result 286 states and 321 transitions. [2020-10-19 18:27:50,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 18:27:50,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-10-19 18:27:50,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:27:50,022 INFO L225 Difference]: With dead ends: 286 [2020-10-19 18:27:50,022 INFO L226 Difference]: Without dead ends: 286 [2020-10-19 18:27:50,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:27:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-19 18:27:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-10-19 18:27:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-19 18:27:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 321 transitions. [2020-10-19 18:27:50,033 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 321 transitions. Word has length 18 [2020-10-19 18:27:50,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:27:50,034 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 321 transitions. [2020-10-19 18:27:50,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-19 18:27:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 321 transitions. [2020-10-19 18:27:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-19 18:27:50,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:27:50,036 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:27:50,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:27:50,246 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-19 18:27:50,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:27:50,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2023252306, now seen corresponding path program 2 times [2020-10-19 18:27:50,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:27:50,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910969684] [2020-10-19 18:27:50,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-19 18:27:50,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 18:27:50,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 18:27:50,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:27:50,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:52,011 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 248 DAG size of output: 53 [2020-10-19 18:27:52,012 INFO L350 Elim1Store]: treesize reduction 1485, result has 6.3 percent of original size [2020-10-19 18:27:52,013 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 11 case distinctions, treesize of input 337 treesize of output 394 [2020-10-19 18:27:52,020 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:52,569 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-19 18:27:52,571 INFO L625 ElimStorePlain]: treesize reduction 247, result has 35.3 percent of original size [2020-10-19 18:27:52,601 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,612 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,618 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,624 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,632 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,636 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,646 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,650 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,657 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,662 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:52,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910969684] [2020-10-19 18:27:52,669 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:27:52,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1884910034] [2020-10-19 18:27:52,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:27:53,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 18:27:53,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 18:27:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:27:53,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 18:27:54,848 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 245 DAG size of output: 52 [2020-10-19 18:27:54,849 INFO L350 Elim1Store]: treesize reduction 1445, result has 6.3 percent of original size [2020-10-19 18:27:54,850 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 11 case distinctions, treesize of input 5835 treesize of output 5641 [2020-10-19 18:27:54,869 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:55,752 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 79 [2020-10-19 18:27:55,753 INFO L625 ElimStorePlain]: treesize reduction 5125, result has 2.6 percent of original size [2020-10-19 18:27:55,759 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:27:55,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96859113] [2020-10-19 18:27:55,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:27:56,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 18:27:56,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 18:27:56,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 18:27:56,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:27:57,341 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 248 DAG size of output: 53 [2020-10-19 18:27:57,342 INFO L350 Elim1Store]: treesize reduction 1485, result has 6.3 percent of original size [2020-10-19 18:27:57,342 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 11 case distinctions, treesize of input 135 treesize of output 198 [2020-10-19 18:27:57,348 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:27:57,715 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-19 18:27:57,716 INFO L625 ElimStorePlain]: treesize reduction 60, result has 69.2 percent of original size [2020-10-19 18:27:57,728 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,733 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,736 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,740 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,745 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,748 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,751 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,754 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,760 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,763 INFO L603 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-10-19 18:27:57,767 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:27:57,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:27:57,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:27:57,773 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:27:57,773 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:27:58,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:27:58,409 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:27:58,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:27:58 BoogieIcfgContainer [2020-10-19 18:27:58,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:27:58,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:27:58,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:27:58,410 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:27:58,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:27:38" (3/4) ... [2020-10-19 18:27:58,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:27:58,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:27:58,415 INFO L168 Benchmark]: Toolchain (without parser) took 24210.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.6 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -279.0 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:58,415 INFO L168 Benchmark]: CDTParser took 0.31 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 18:27:58,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1263.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -68.8 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:58,417 INFO L168 Benchmark]: Boogie Preprocessor took 214.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:58,417 INFO L168 Benchmark]: RCFGBuilder took 3090.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 999.2 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:58,418 INFO L168 Benchmark]: TraceAbstraction took 19627.56 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -28.2 MB). Peak memory consumption was 483.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:58,419 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:27:58,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1263.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -68.8 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 214.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3090.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 999.2 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19627.56 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -28.2 MB). Peak memory consumption was 483.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1599]: 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: [L1318] static const char *applet_name; [L1319] static signed int bb_errno_location; [L1320] static signed int * const bb_errno = &bb_errno_location; [L1512] static struct utmp dummy_utmp; [L1594] char *a = malloc(11); [L1595] a[10] = 0 [L1596] int i=0; [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND FALSE !(i<10) [L1598] applet_name = a [L1599] bb_errno_location = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 420 locations, 138 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 19.5s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1471 SDtfs, 189 SDslu, 2950 SDs, 0 SdLazy, 976 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 8196 SizeOfPredicates, 12 NumberOfNonLiveVariables, 944 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 0/18 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...